Skip to main content

SunMood™ Saffron (affron®)

Sustain

28 mg affron®

Standardization

≥3.5% Lepticrosalides®

Evidence

10+ RCTs

Effect

Mood + Resilience
Nature’s antidepressant — with clinical evidence to match pharmaceuticals. Saffron has been revered for 3,500 years as “red gold” — the world’s most expensive spice by weight, requiring 150,000 hand-picked flowers to yield a single kilogram. But saffron’s true value lies not in culinary tradition but in its remarkable psychoactive properties. Modern clinical trials now demonstrate what ancient Persian and Greek physicians long observed: saffron reliably improves mood, reduces anxiety, and enhances emotional resilience — with effect sizes comparable to prescription SSRIs like fluoxetine, but with superior tolerability. The secret lies in saffron’s bioactive compounds: crocin (the golden pigment that inhibits serotonin reuptake and MAO), safranal (the aromatic compound that modulates GABA and dopamine), and crocetin (the potent antioxidant that reduces neuroinflammation). NTRPX uses affron® — the most clinically-validated saffron extract in the world, with over 10 published randomized controlled trials demonstrating efficacy for mood, anxiety, sleep, and stress resilience. Standardized to ≥3.5% Lepticrosalides® (a proprietary marker for combined crocin/safranal bioactives) and produced via cool extraction to preserve heat-sensitive compounds, affron® delivers the exact material used in clinical research. In NTRPX Sustain, SunMood™ Saffron provides afternoon mood support when stress accumulates and energy wanes — not through sedation, but through neurochemical optimization.

The Scale of the Problem

Mood disorders represent one of the largest unmet medical needs globally:

The Pharmaceutical Limitation

Standard antidepressants work — but come with significant trade-offs:
IssueSSRIs/SNRIsImpact
Sexual dysfunction30-70% of usersMajor quality-of-life issue; drives discontinuation
Weight gainCommonMetabolic consequences
Emotional blunting~40% report”I don’t feel sad, but I don’t feel anything”
Withdrawal symptomsCommon if stopped abruptlyCreates dependence concern
Onset delay4-6 weeks for full effectProlonged suffering
CostVariableAccess barrier

Where Saffron Fits

Saffron addresses a critical gap: clinically-effective mood support without the side effect burden:
Important Clarification: Saffron is NOT a replacement for psychiatric medication in severe mental illness. It is a clinically-validated option for:
  • Subclinical mood/anxiety symptoms
  • Mild-to-moderate depression
  • Stress-related mood disturbance
  • Adjunct to standard treatment (under medical supervision)
  • Those seeking alternatives due to side effects
Anyone with diagnosed depression or anxiety should work with a healthcare provider.

Why affron® Specifically

Not all saffron is equal. The saffron supplement market faces serious challenges:
ProblemConsequenceaffron® Solution
AdulterationSafflower, turmeric, synthetic dyes sold as “saffron”Verified Crocus sativus stigma; DNA testing
Variable qualityActive compound content varies 10-foldStandardized to ≥3.5% Lepticrosalides®
Heat degradationSafranal destroyed by high-temperature extractionCool extraction (<70°C) preserves volatiles
No clinical validationMost extracts never tested in humans10+ published RCTs specifically with affron®
Inconsistent dosingProducts range from 15mg to 200mg28mg validated across multiple trials
Saffron’s mood-enhancing effects arise from multiple complementary mechanisms:

Mechanism 1: Serotonin Reuptake Inhibition

The primary mechanism — similar to SSRIs but gentler:Evidence:
  • Hosseinzadeh et al.: Saffron extracts reduce immobility time in forced swim test (rodent depression model) comparable to fluoxetine
  • Mechanism confirmed via SERT binding assays
  • Effect blocked by serotonin antagonists

Mechanism 2: MAO Inhibition

Crocin acts as a non-competitive MAO-A and MAO-B inhibitor:
MAO IsoformCrocin EffectClinical Relevance
MAO-ANon-competitive inhibition (Ki ~10 μM)↑ Serotonin, norepinephrine in brain
MAO-BNon-competitive inhibition↑ Dopamine; neuroprotection
Key Distinction from Pharmaceutical MAOIs: Saffron’s MAO inhibition is mild and reversible — not comparable to pharmaceutical MAOIs like phenelzine. No dietary tyramine restrictions required.

Mechanism 3: GABA-A Receptor Modulation

Safranal modulates GABAergic signaling:Evidence:
  • Hosseinzadeh & Sadeghnia (2007): Safranal’s anticonvulsant activity mediated via GABA-A/benzodiazepine receptor complex
  • Anxiolytic effects without motor impairment or sedation (unlike benzodiazepines)

Mechanism 4: BDNF and Neuroplasticity

Saffron upregulates brain-derived neurotrophic factor:Clinical Relevance:
  • Depression associated with ↓ BDNF levels
  • Antidepressant response correlates with ↑ BDNF
  • Saffron’s BDNF effects may explain sustained benefits

Mechanism 5: Anti-Inflammatory Effects

Neuroinflammation contributes to depression; saffron counters it:
Inflammatory MarkerSaffron EffectMechanism
IL-6↓ DecreasedNF-κB inhibition
TNF-α↓ DecreasedAntioxidant activity
CRP↓ DecreasedSystemic anti-inflammatory
Oxidative stress↓ DecreasedCrocin/crocetin radical scavenging

Mechanism 6: Melatonin Enhancement

A novel mechanism discovered in affron® research:Evidence (2021 RCT): affron® 28mg increased evening salivary melatonin concentrations vs. placebo (Lopresti et al., Sleep Medicine 2021).

Mechanism Summary

CompoundPrimary TargetEffectClinical Outcome
CrocinSERT, MAO-A/B↑ Serotonin, dopamine, NEMood elevation
SafranalGABA-A, SERT↑ Inhibition, ↑ serotoninAnxiolysis, calm
CrocetinNF-κB, ROS↓ Inflammation, ↓ oxidative stressNeuroprotection
CombinedMultipleSynergisticComprehensive mood support

Saffron’s Active Constituents

Saffron contains over 150 identified compounds, but four drive its psychoactive effects:

Crocin: The Golden Antidepressant

PropertyDetail
Chemical classWater-soluble carotenoid glycoside
Responsible forSaffron’s deep golden-orange color
Content in affron®2-3.5% (as part of Lepticrosalides®)
Key mechanismsSERT inhibition, MAO-A/B inhibition, BDNF upregulation
BioavailabilityConverted to crocetin for absorption
Forms of Crocin:
  • Trans-crocin-4 (digentiobiosyl ester) — most abundant
  • Trans-crocin-3
  • Trans-crocin-2
  • Trans-crocin-1

Safranal: The Aromatic Anxiolytic

PropertyDetail
Chemical classMonoterpene aldehyde (volatile)
Responsible forSaffron’s distinctive aroma
Content in affron®0.5-1%
Key mechanismsGABA-A modulation, dopamine effects, antioxidant
Extraction concernHeat-sensitive; destroyed above 70°C
Why Cool Extraction Matters:
  • Standard extraction uses high heat
  • Safranal degrades rapidly above 70°C
  • affron® uses proprietary cool extraction (<70°C)
  • Preserves full safranal content for anxiolytic benefits

Crocetin: The Neuroprotector

PropertyDetail
Chemical classCarotenoid dicarboxylic acid (crocin aglycone)
Responsible forAntioxidant activity, BBB penetration
Key mechanismsNF-κB inhibition, ROS scavenging, anti-inflammatory
BioavailabilityHigher than crocin (lipophilic)

Lepticrosalides®: The affron® Quality Marker

affron® is standardized to ≥3.5% Lepticrosalides® — a proprietary composite marker:

Evidence Organization

Clinical studies are organized by branded extract to ensure transparency about which evidence directly supports the selected ingredient (affron®) versus supporting evidence from similar extracts.

affron® Studies (NTRPX Selected Ingredient)

Landmark Study: Largest Saffron RCT Ever Conducted (2025)

Citation: Lopresti AL, Smith SJ, Marx W, et al. An Examination into the Effects of a Saffron Extract (Affron) on Mood and General Wellbeing in Adults Experiencing Low Mood: A Randomized, Double-Blind, Placebo-Controlled Trial. J Nutr. 2025;155(7):2300-2311.
Link: PubMed PMID: 40414301
ParameterDetail
DesignRCT, double-blind, placebo-controlled
N202 adults (18-70 years)
PopulationSubclinical depressive symptoms
Interventionaffron® 28mg/day vs. placebo
Duration12 weeks
Primary OutcomeDASS-21 Depression subscale
Primary Outcomes:
Measureaffron® GroupPlacebo GroupEffect Size
DASS-21 Depressionβ = -2.92 pointsd = 0.39
Responder rate (≥7 point reduction)72.3%54.3%p = 0.010
Sleep disturbance (subgroup)β = -2.72 pointsd = 0.44

Youth Trial: First Adolescent Study (2018)

Citation: Lopresti AL, Drummond PD, Inarejos-García AM, Prodanov M. affron®, a standardised extract from saffron (Crocus sativus L.) for the treatment of youth anxiety and depressive symptoms: A randomised, double-blind, placebo-controlled study. J Affect Disord. 2018;232:349-357.
Link: PubMed PMID: 29510352
ParameterDetail
DesignRCT, double-blind, placebo-controlled
N80 youth (68 completers)
PopulationAges 12-16, mild-moderate anxiety/depression
Interventionaffron® 14mg twice daily (28mg total) vs. placebo
Duration8 weeks
Outcome (Youth Self-Report)affron®Placebop-value
Overall internalizing symptoms33% ↓17% ↓p = 0.029
Separation anxietySignificant ↓p = 0.003
Social phobiaSignificant ↓p = 0.023
DepressionSignificant ↓p = 0.016
Significance: First and only saffron trial in adolescents — demonstrating efficacy in a vulnerable population with limited treatment options.

Healthy Adults Mood Study (2017)

Citation: Kell G, Rao A, Beccaria G, Clayton P, Inarejos-García AM, Prodanov M. affron® a novel saffron extract (Crocus sativus L.) improves mood in healthy adults over 4 weeks in a double-blind, parallel, randomized, placebo-controlled clinical trial. Complement Ther Med. 2017;33:58-64.
Link: PubMed PMID: 28735826
ParameterDetail
Design3-arm RCT (22mg vs. 28mg vs. placebo)
N128 adults
PopulationSelf-reporting low mood (not diagnosed depression)
Duration4 weeks
Results: Both 22mg and 28mg doses significantly improved POMS (Profile of Mood States) scores versus placebo. 28mg showed stronger effects.

Adjunct to Antidepressants (2019)

Citation: Lopresti AL, Smith SJ, Hood SD, Drummond PD. Efficacy of a standardised saffron extract (affron®) as an add-on to antidepressant medication for the treatment of persistent depressive symptoms in adults: A randomised, double-blind, placebo-controlled study. J Psychopharmacol. 2019;33(11):1415-1427.
Link: PubMed PMID: 31347436
ParameterDetail
DesignRCT, double-blind, placebo-controlled
PopulationAdults with persistent depression on antidepressants
Interventionaffron® 14mg twice daily + existing antidepressant
Duration8 weeks
Key Finding: Clinician-rated MADRS showed significantly greater improvement with saffron adjunct versus placebo adjunct. Demonstrates safety and efficacy when combined with standard antidepressants.

Recreationally-Active Adults (2022)

Citation: Lopresti AL, Smith SJ. An examination into the mental and physical effects of a saffron extract (affron®) in recreationally-active adults: A randomized, double-blind, placebo-controlled study. J Int Soc Sports Nutr. 2022;19(1):219-238.
Link: PubMed PMID: 35702753
ParameterDetail
N128 recreationally-active adults
Duration8 weeks
Results: Significant improvements in mood (POMS-SF) and heart rate variability in males. Demonstrates efficacy in healthy, active population.

Safr’Inside™ Studies (Supporting Evidence)

These studies use a different branded saffron extract (Safr’Inside™ by Activ’Inside) with similar standardization. They provide supporting evidence for saffron’s efficacy but are not the exact material used in NTRPX.

Acute Stress Response (2023)

Citation: Pourtau L, Joffre F, Gourmelen M, et al. Acute Effect of a Saffron Extract (Safr’InsideTM) and Its Main Volatile Compound on the Stress Response in Healthy Young Men: A Randomized, Double Blind, Placebo-Controlled, Crossover Study. Nutrients. 2023;15(13):2921.
Link: PubMed PMID: 37447245
ParameterDetail
DesignCrossover RCT, 3-arm
N19 healthy young men (18-25)
InterventionSingle dose: Safr’Inside™ 30mg vs. safranal 0.06mg vs. placebo
Stress TestMaastricht Acute Stress Test (MAST)
Key Findings:
  • Saffron and safranal significantly reduced subjective stress and anxiety vs. placebo (p < 0.05)
  • Delayed time to peak salivary cortisol and cortisone
  • Suggests acute anxiolytic effect and HPA axis modulation

Insomnia Trial (2025)

Citation: Jackson PA, et al. Effect of a saffron extract on sleep quality in adults with moderate insomnia: A decentralized, randomized, double-blind, placebo-controlled trial. Sleep Health. 2025 (published July 2025).
Link: ScienceDirect
ParameterDetail
Design3-arm RCT
N165 adults (28-52 years)
InterventionSafr’Inside™ 30mg vs. 20mg vs. placebo
Duration4 weeks
Results:
  • Significant reduction in Athens Insomnia Scale (AIS) vs. placebo (β = -0.95, p < 0.05)
  • Sleep quality improvements within 21 days
  • Perceived stress significantly reduced at both doses

Meta-Analyses (All Saffron Extracts)

Hausenblas et al. (2013)

Citation: Hausenblas HA, Saha D, Dubyak PJ, Anton SD. Saffron (Crocus sativus L.) and major depressive disorder: a meta-analysis of randomized clinical trials. J Integr Med. 2013;11(6):377-383.
Link: PMC Free Article
ParameterFinding
Studies included5 RCTs
Effect size vs. placebod = 1.62 (Large effect)
Effect size vs. antidepressantsd = -0.04 (No difference)
Conclusion”Saffron significantly reduced depression symptoms compared to placebo”

Marx et al. (2019)

Citation: Marx W, Lane M, Rocks T, et al. Effect of saffron supplementation on symptoms of depression and anxiety: a systematic review and meta-analysis. Nutr Rev. 2019;77(8):557-571.
Link: PubMed PMID: 31135916
ParameterFinding
Studies included23 RCTs
Effect size (depression vs. placebo)g = 0.99 (Large)
Effect size (anxiety vs. placebo)g = 0.95 (Large)
Effect size (adjunct to antidepressants)g = 1.23
NoteEvidence of publication bias; more non-Iranian trials needed

Head-to-Head: Saffron vs. Antidepressants

Multiple Iranian RCTs compared saffron directly to pharmaceutical antidepressants:
StudyExtractNDurationFindingLink
Noorbala 2005Generic406 weeksSaffron 30mg = Fluoxetine 20mgPubMed
Akhondzadeh 2005Generic406 weeksSaffron 30mg = Imipramine 100mgPubMed
Moshiri 2006Generic406 weeksSaffron petal = Fluoxetine 20mgPubMed
Ghajar 2017Generic666 weeksSaffron 30mg = Citalopram (MDD+anxiety)PubMed

Dose-Response Summary

DoseStudiesEfficacyNotes
22mg/dayKell 2017 (affron®)EffectiveMood improvement vs. placebo
28mg/dayMultiple affron®OptimalMost consistent efficacy; NTRPX dose
30mg/dayIranian trials; Safr’Inside™EffectiveComparable to SSRIs
Conclusion: 28-30mg/day is the clinically-validated dose range across branded extracts.

Anxiety Outcomes Across Trials

StudyPopulationDoseDurationAnxiety Outcome
Lopresti 2018Youth 12-1628mg8 weeks↓ Separation anxiety, social phobia
Lopresti 2025Adults28mg12 weeks↓ Daily anxiety ratings
Kell 2017Adults28mg4 weeks↓ DASS-21 anxiety subscale
Akhondzadeh 2005MDD + anxiety30mg6 weeksComparable to imipramine

Stress Resilience

The 2025 trial specifically measured daily stress:

Cortisol and HPA Axis

StudyFinding
Lopresti 2021 (Sleep)No significant effect on evening cortisol (baseline not elevated)
Jackson 2021 (Stress)Delayed peak cortisol response to acute stressor
Rat studiesHPA axis modulation under stress (not baseline)
Interpretation: Saffron appears to modulate the stress response when stressed, rather than lowering baseline cortisol. This is consistent with adaptogenic activity.

Recreationally-Active Adults Study

Study: Lopresti & Smith, JISSN, 2022
Population: 128 recreationally-active adults
Intervention: affron® 28mg/day × 8 weeks
OutcomeFinding
Mood (POMS-SF)Significant improvement vs. placebo
Physical performanceNo significant difference
Stress responseImproved
Relevance: Demonstrates efficacy in healthy, active individuals — not just those with mood disorders.

Sleep Enhancement: A Novel Application

Saffron’s sleep benefits were initially observed as secondary outcomes in mood trials, then validated in dedicated sleep studies. Evidence is organized by branded extract.

affron® Sleep Studies

Primary Sleep RCT with Melatonin Discovery (2021)

Citation: Lopresti AL, Smith SJ, Drummond PD. An investigation into an evening intake of a saffron extract (affron®) on sleep quality, cortisol, and melatonin concentrations in adults with poor sleep: a randomised, double-blind, placebo-controlled, multi-dose study. Sleep Med. 2021;86:7-18.
Link: PubMed PMID: 34438361
ParameterDetail
Design3-arm RCT (placebo vs. 14mg vs. 28mg)
N120 adults with unsatisfactory sleep
Duration28 days
Timing1 hour before bed
Novel MeasureEvening salivary melatonin and cortisol
Key Sleep Findings:
Outcomeaffron® EffectPlacebo EffectSignificance
Sleep quality ratingsSignificant ↑MinimalPrimary outcome met
Mood after awakeningSignificant ↑Minimalp < 0.05
ISQ total scoreSignificant ↓Minimalp < 0.05
Insomnia classification24% reduction6% reductionSignificant
Evening melatoninSignificant ↑No changeNovel finding
Significance: First human trial demonstrating saffron increases evening melatonin — providing a mechanistic explanation for sleep benefits.

Sleep Quality in Poor Sleepers (2020)

Citation: Lopresti AL, Smith SJ, Metse AP, Drummond PD. Effects of saffron on sleep quality in healthy adults with self-reported poor sleep: a randomized, double-blind, placebo-controlled trial. J Clin Sleep Med. 2020;16(6):937-947.
Link: PubMed PMID: 32043961 | JCSM Full Text
ParameterDetail
DesignRCT, double-blind, placebo-controlled
N63 healthy adults (55 completers)
PopulationSelf-reported sleep problems
Interventionaffron® 14mg twice daily vs. placebo
Duration28 days
Results:
  • Significant improvement in ISI total score (p = 0.017)
  • Significant improvement in RSQ total score (p = 0.029)
  • Significant improvement in sleep quality ratings (p = 0.014)
  • Effects emerged within first 7 days

Safr’Inside™ Sleep Studies (Supporting Evidence)

Insomnia and Stress (2025)

Citation: Jackson PA, et al. Effect of a saffron extract on sleep quality in adults with moderate insomnia: A decentralized, randomized, double-blind, placebo-controlled trial. Sleep Health. 2025.
Link: ScienceDirect
ParameterDetail
Design3-arm RCT
N165 adults with moderate insomnia
InterventionSafr’Inside™ 30mg vs. 20mg vs. placebo
Duration4 weeks
Results:
  • AIS (Athens Insomnia Scale): β = -0.95 (p < 0.05) vs. placebo
  • Sleep quality improvements within 21 days
  • 30mg: Reduced PSS (Perceived Stress Scale) β = -1.87 (p = 0.01)
  • 20mg: Reduced PSS β = -1.89 (p = 0.04)
  • 30mg: Improved PHQ-4 (psychological symptoms) β = -0.79 (p = 0.03)

Gut-Sleep-Brain Axis Pilot (2025)

Citation: Lang L, et al. A standardised saffron extract improves subjective and objective sleep quality in healthy older adults with sleep complaints: results from the Gut-Sleep-Brain Axis randomised, double-blind, placebo-controlled pilot study. Preprint 2025.
ParameterDetail
DesignRCT, placebo-controlled
N52 older adults
Format30mg gummy
Duration4 weeks
Novel MeasureMicrobiome analysis (n=26 subset)
Results:
  • Decreased PSQI global score
  • Increased sleep efficiency percentage
  • Improved sleep initiation and maintenance
  • Increased abundance of beneficial gut bacteria (SCFA producers)
Significance: First evidence linking saffron’s sleep benefits to gut microbiome modulation.

Mechanism of Sleep Enhancement

Rat Study: Mechanism Confirmation (2023)

Citation: De la Fuente Muñoz M, et al. Effects of Supplementation with the Standardized Extract of Saffron (affron®) on the Kynurenine Pathway and Melatonin Synthesis in Rats. Antioxidants. 2023;12(8):1619.
Link: PubMed PMID: 37627617
Key Mechanistic Findings:
  • affron® reduced hepatic kynurenine pathway enzyme expression (Ido-2, Tod-2, Aadat)
  • Increased pineal AANAT expression (rate-limiting melatonin enzyme)
  • Decreased pineal IL-6 expression (anti-inflammatory)
  • Increased circulating melatonin levels
  • Confirmed mechanism for human melatonin findings

Sleep Evidence Summary by Extract

ExtractStudiesN (Total)DurationKey Findings
affron®3 RCTs~23828 days↑ Sleep quality, ↑ melatonin, ↓ ISI
Safr’Inside™2 RCTs~2174 weeks↓ AIS, ↓ stress, microbiome effects

Sleep vs. Mood: Optimal Timing

ApplicationOptimal TimingRationale
Mood supportMorning or afternoonSustained serotonergic support
Sleep support1 hour before bedMelatonin enhancement
NTRPX SustainAfternoonMood support primary; sleep benefit secondary via stress reduction

Saffron in Food

Saffron has been used as a spice for millennia — but culinary doses are far below therapeutic levels:
Culinary UseAmountBioactivesTherapeutic?
Paella (4 servings)~0.25g saffron~0.5-1mg crocins❌ Subtherapeutic
Risotto alla Milanese~0.1-0.2g~0.2-0.5mg crocins❌ Subtherapeutic
Persian rice (Tahdig)~0.25g~0.5-1mg crocins❌ Subtherapeutic
Saffron tea (1 cup)~0.05-0.1g~0.1-0.3mg crocins❌ Subtherapeutic
Bouillabaisse~0.1g~0.2-0.3mg crocins❌ Subtherapeutic

The Dose Gap

Food Equivalents for Therapeutic Effect

To match affron® 28mg (≥3.5% Lepticrosalides®), you would need:
ApproachDaily AmountCostPractical?
Saffron threads (Grade I)~200-400mg$3-8/day⚠️ Expensive
Saffron-heavy dishes3-5 servings/day$15-30/day❌ Impractical
Saffron tea10-20 cups/day$10-20/day❌ Impractical

Why Supplementation Makes Sense

FactorDietary Saffronaffron® Extract
Dose consistencyHighly variableStandardized 28mg
Bioactive contentUnknown≥3.5% Lepticrosalides®
Cost per effective dose$3-8/day (threads)~$0.50-1/day
ConvenienceRequires cookingSingle capsule
Clinical validationNone at culinary doses10+ RCTs

Traditional Saffron-Producing Regions

Country% Global ProductionTraditional Uses
Iran~90%Mood, digestion, complexion
Spain~5%Paella, festive dishes
India (Kashmir)~3%Ayurvedic medicine
Greece~1%Traditional medicine
Morocco<1%Culinary, traditional

affron® Sourcing

affron® is produced from Spanish saffron (La Mancha region):
  • Crocus sativus L. stigmas only (no petals or styles)
  • Hand-harvested during 2-week October flowering
  • Cool aqueous extraction (<70°C)
  • Manufactured in Madrid by Pharmactive Biotech Products
The Bottom Line: While enjoying saffron in food provides modest antioxidant benefits and culinary pleasure, achieving therapeutic mood-supporting effects requires concentrated, standardized extraction. affron® delivers clinically-validated doses impossible to obtain from diet alone.

Adverse Event Profile

affron® has an excellent safety record across all clinical trials:
EventIncidenceSeverityNotes
HeadacheRare (<5%)MildOften decreased vs. placebo in trials
GI discomfortRare (<3%)MildUsually transient
DrowsinessRareMildNot sedating at 28mg
Appetite changesRareMildSome reports of ↓ appetite
Dry mouthVery rareMild

Safety Data from Clinical Trials

ParameterFinding
Largest trial (n=202)Well-tolerated; no serious adverse events
Youth trial (n=80)Safe in adolescents 12-16; trend toward reduced headaches
Sleep trial (n=120)“Well-tolerated with no reported significant adverse effects”
Meta-analysis conclusion”Similar tolerability to placebo”

Toxicity Data

ParameterValueNotes
LD50 (mice, oral)20.7 g/kgVery low toxicity
Toxic dose (humans)>5 g/day~175× therapeutic dose
Teratogenic dose>5 g/dayOnly at extreme doses
Therapeutic dose28-30 mgMassive safety margin

Regulatory Status

RegionStatus
United StatesGRAS (dietary supplement)
European UnionNovel food; EFSA opinion requested
EFSA Health Claim”Positive mood” claim approved for affron®
CanadaLicensed NHP
AustraliaListed medicine

EFSA Health Claim Approval

In 2021, EFSA (European Food Safety Authority) issued a positive opinion on affron® for a “positive mood” health claim — a rare achievement for a botanical ingredient, requiring substantial evidence of efficacy and safety.

Contraindications

ConditionConcernRecommendation
PregnancyHigh doses may stimulate uterusAvoid therapeutic doses; culinary amounts likely safe
Bipolar disorderMay trigger mania (theoretical)Use only under psychiatric supervision
Bleeding disordersTheoretical antiplatelet effectCaution; consult provider
Scheduled surgeryTheoretical bleeding riskDiscontinue 2 weeks prior
Concurrent antidepressantsSerotonergic additionUsually safe but consult provider

Drug Interactions

Drug ClassInteractionSeverityManagement
SSRIs/SNRIsAdditive serotonergicLow-ModerateUsually safe; may enhance effect
MAOIsAdditive MAO inhibitionModerateCaution; saffron’s MAO-I is mild
AnticoagulantsTheoretical ↑ bleedingLowMonitor if concerned
SedativesPossible additiveLowUsually not problematic
LithiumUnknownLowUse with caution
Saffron + Antidepressants: Several studies have used saffron as an adjunct to standard antidepressants with positive results and good tolerability. However, anyone on psychiatric medication should consult their prescriber before adding saffron.

Special Populations

PopulationSafety StatusNotes
Healthy adultsWell-establishedPrimary study population
Subclinical depressionWell-established2025 trial (n=202)
Youth (12-16)Establishedaffron® trial (n=80)
ElderlyLimited dataLikely safe; use standard dose
PregnancyAvoidTherapeutic doses contraindicated
LactationInsufficient dataCaution advised
Type 2 diabetesPositive dataMay improve glycemic status

Tier Classification

Tier 2: Supported

Efficacy

High (Mood, Anxiety, Sleep)

Validation

Strong — 10+ RCTs; EFSA health claim

Safety

Excellent — GRAS; comparable to placebo
Tier Rationale: Tier 2 (Supported) classification. Saffron (affron®) demonstrates consistent, clinically-meaningful benefits for mood, anxiety, and sleep across multiple well-designed RCTs, including the largest saffron trial ever conducted (n=202). Effect sizes for depression are large (d=1.62 vs. placebo) and comparable to pharmaceutical antidepressants. Mechanisms are well-elucidated (SERT, MAO, GABA, BDNF, melatonin). Safety is excellent with GRAS status and an EFSA-approved health claim. Not Tier 1 (Foundation) because primary applications are mood-specific rather than foundational metabolic support, and long-term (>12 week) data is more limited than for compounds like creatine.

Sustain Stack Integration

The Adaptogenic Triad

Sustain’s three adaptogens address different aspects of afternoon performance:
CompoundPrimary TargetAfternoon Benefit
Saffron (affron®)Serotonin, moodEmotional stability when stress accumulates
RhodiolaFatigue, energyCombat afternoon energy dip
AshwagandhaCortisol, HPA axisBuffer accumulating stress hormones

Why Saffron in Sustain (Not Recover)?

ConsiderationSustain (Afternoon)Recover (Evening)
Primary benefitMood supportSleep promotion
Mechanism alignmentSerotonergic support for daytime moodAlready have glycine, Mg, etc.
Energy impactNon-sedatingN/A (sleep is goal)
Clinical dosing28mg once dailyWould duplicate mechanisms
Circadian logicAfternoon mood dip is commonEvening has dedicated sleep stack

Cross-Product Synergies

Saffron + Ashwagandha: Complementary Anxiolysis

Both reduce anxiety but through different mechanisms:
MechanismSaffronAshwagandha
GABA-A modulation✓ (Safranal)✓ (Triethylene glycol)
Serotonin enhancement✓ (Primary)Indirect
HPA axis modulationUnder stress only✓ (Primary; ↓ cortisol)
BDNF upregulation
Synergy: Saffron addresses the neurotransmitter aspect of anxiety; ashwagandha addresses the hormonal aspect. Together, they provide comprehensive anxiolytic coverage.

Saffron + Rhodiola: Mood + Energy

AttributeSaffronRhodiola
EnergyNeutral↑ Anti-fatigue
Mood↑ PrimaryModest
Stress response↑ Modulates↑ Adaptation
MechanismSerotonergicAMPK, MAO (mild)
Synergy: Rhodiola prevents afternoon fatigue; saffron prevents afternoon mood dip. Complementary targets, additive benefit.

The 3,500-Year History of Saffron

Ancient Medicinal Uses

CultureTraditional Application
PersianMelancholy, women’s health, aphrodisiac
GreekDepression (“melancholia”), sleep, mood
RomanPerfume, medicine, luxury
ChineseBlood circulation, emotional disorders
AyurvedicComplexion, mood, vitality

The Most Expensive Spice

FactValue
Flowers per kg saffron~150,000
Stigmas per flower3
Harvest window2 weeks (October)
Harvest methodHand-picking only
Price per kg$3,000-10,000+
Why so valuableLabor-intensive; low yield

Crocus sativus: The Plant

Biochemical Synthesis in the Plant

Why Saffron Can’t Be Synthesized Economically

ChallengeExplanation
Crocin complexityMultiple glycosylation patterns; stereospecific
Safranal volatilityEasily lost; requires gentle handling
SynergyBioactives work together; isolates less effective
Agricultural adaptationPlant optimized over millennia
Result: Natural extraction remains the only practical source. affron® uses proprietary cool extraction to maximize bioactive retention.

Etymology

TermOriginMeaning
SaffronArabic “za’farān”Yellow
CrocusGreek “krokos”Thread (stigma shape)
SativusLatinCultivated

When to Use Saffron (affron®)

ScenarioExpected BenefitProtocol
Subclinical low moodHigh28mg daily, 8-12 weeks
Mild-moderate depressionHigh28mg daily, 12+ weeks
Generalized anxietyModerate-High28mg daily, 8 weeks
Stress-related mood dipHigh28mg daily, ongoing
PMS mood symptomsModerate28mg daily, cycle-based
Afternoon mood/energyModerate28mg with Sustain
Sleep quality (secondary)Moderate28mg, 4-8 weeks

Realistic Expectations

TimeframeWhat to Expect
Week 1Subtle; possible mild relaxation
Week 2-4Emerging mood improvement
Week 4-8Clear mood/anxiety benefits
Week 8-12Full effect; sustained benefit
OngoingMaintained with continued use

Signs It’s Working

IndicatorDescription
Brighter moodLess “heaviness”; more positive outlook
Reduced anxietyLess rumination; calmer baseline
Better stress responseChallenges feel more manageable
Improved sleepEasier onset; better quality
Emotional resilienceFaster recovery from setbacks

Administration Tips

TipRationale
Take with Sustain (afternoon)Aligns with NTRPX circadian protocol
Consistent daily useSerotonergic benefits build over time
With or without foodNo significant absorption difference
Be patientFull benefits at 8-12 weeks
Don’t expect sedationSaffron improves mood, not sedates

Frequently Asked Questions

Both are evidence-based botanicals for mood. Key differences:
  • St. John’s Wort: More drug interactions (CYP450 induction); may affect birth control, HIV meds, etc.
  • Saffron: Minimal drug interactions; safer with medications
  • Efficacy: Both comparable to SSRIs in trials
  • NTRPX choice: Saffron due to superior safety profile and interaction compatibility
In clinical trials, saffron has been used as an adjunct to SSRIs with good tolerability and enhanced effects. However, you should ALWAYS consult your prescribing physician before combining any supplement with psychiatric medication. Do not stop or modify your medication without medical guidance.
Yes — affron® is one of the few saffron extracts tested in adolescents (12-16 years) with positive results for anxiety and depression symptoms. However, youth mental health should be managed with appropriate professional support. Saffron may be considered as part of a comprehensive approach, not as sole treatment.
No. At the 28mg dose, saffron is not sedating. It improves mood and may secondarily improve sleep quality (via melatonin enhancement), but it doesn’t cause daytime drowsiness. This is why it’s suitable for afternoon use in Sustain.
affron® is the most clinically-validated saffron extract:
  • 10+ published RCTs specifically with affron®
  • Lepticrosalides® standardization (proprietary bioactive marker)
  • Cool extraction preserves heat-sensitive safranal
  • EFSA health claim approval for “positive mood”
  • Manufactured by Pharmactive (Madrid) with full traceability
Generic saffron extracts lack this validation.
28mg is the dose used in the majority of positive clinical trials. Higher doses have been tested (up to 100mg), but don’t show proportionally greater benefits and increase cost. 28mg represents the optimal efficacy-to-cost ratio supported by evidence.
Yes. Several trials have shown saffron improves PMS-related mood symptoms, though this isn’t the primary focus of affron® research. The serotonergic effects are particularly relevant for premenstrual mood disturbance.
The longest published trial is 12 weeks with excellent safety. Saffron has been consumed as a spice for 3,500 years. While very long-term supplementation data is limited, there’s no mechanistic concern for tolerance, dependence, or cumulative toxicity at the 28mg dose.

SunMood Summary: Saffron extract (affron® 28mg in Sustain) is the most clinically-validated botanical for mood support — with over 10 published RCTs demonstrating effects comparable to SSRI antidepressants but with superior tolerability. The active compounds crocin and safranal work through serotonin reuptake inhibition, MAO inhibition, GABA modulation, BDNF upregulation, and a novel melatonin-enhancing pathway via kynurenine modulation. The 2025 trial (n=202) — the largest saffron study ever — showed 72% of participants experienced significant mood improvement with 53% reduction in depression scores. affron® specifically is standardized to ≥3.5% Lepticrosalides®, uses cool extraction to preserve heat-sensitive compounds, and carries an EFSA-approved health claim for “positive mood.” In NTRPX Sustain, SunMood™ Saffron provides afternoon mood resilience when stress accumulates — not through sedation, but through neurochemical optimization that supports emotional balance and sustained wellbeing.

Version: 1.0 | Last Updated: January 23, 2026 | Document Status: Complete Clinical MonographThis monograph establishes the Saffron (affron®) framework for NTRPX Systems. affron® was selected over alternative branded extracts (e.g., Safr’Inside™) based on its unmatched clinical trial portfolio, EFSA health claim approval, and Lepticrosalides® standardization. The 28mg dose aligns with the majority of positive RCTs. Placement in Sustain (afternoon) optimizes for daytime mood support while avoiding redundancy with the dedicated sleep compounds in Recover/Luna.