Crocin (Saffron Extract)
Antioxidant ·Exploratory record · not publication-reviewed ·Updated July 13, 2026
Crocin is the major water-soluble carotenoid pigment responsible for the deep red color of saffron (Crocus sativus stigmas) and is the marker compound for many standardized saffron extracts. It is studied most for mild-to-moderate depressive symptoms and mood, and to a lesser extent for retinal/macular health and general antioxidant support. Most clinical trials use whole standardized saffron extracts (typically standardized to crocins and safranal) rather than isolated crocin.
Exploratory record, not a reviewed medical publication.
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This generated database record has not completed a claim-level review by a qualified human medical reviewer. Bibliography links and evidence labels are not approval. The page remains available for reference and is excluded from search indexing.
What the research says.
A quick, data-only summary. The full evidence, dosing, and sources are below.
Crocin (Saffron Extract) is an antioxidant most often used for may reduce mild-to-moderate depressive symptoms, supports mood and emotional well-being, may ease premenstrual symptoms. NutriStack rates the overall evidence as moderate. A typical adult dose is 28-30 mg/day of standardized saffron extract (or roughly 30 mg/day of saffron stigma equivalent); crocin-rich extracts are typically dosed at 15 mg twice daily, commonly taken as standardized saffron extract capsule (standardized to crocins and safranal, e.g. affron-type extracts). This profile indexes 10 sources.
The bottom line
Evidence rating moderate. Most-documented uses: may reduce mild-to-moderate depressive symptoms, supports mood and emotional well-being, may ease premenstrual symptoms. 10 sources indexed (2005–2019), with 0 interaction records on file.
How it works, mechanistically.
Core mechanism
Crocin is a crocetin di-gentiobiose ester that is hydrolyzed in the gut to the more bioavailable carotenoid crocetin, which is the form chiefly absorbed into circulation. Its antioxidant activity stems from a conjugated polyene structure that scavenges reactive oxygen species and reduces lipid peroxidation. In mood-related effects, saffron constituents (crocin and safranal) are thought to modulate monoaminergic neurotransmission by inhibiting reuptake of serotonin, dopamine, and norepinephrine, and may influence NMDA-receptor and GABAergic signaling as well as lowering inflammatory and oxidative markers in the brain. Crocetin's small size allows it to cross into ocular tissues, where its antioxidant action is proposed to protect retinal cells from oxidative and light-induced stress.10,5
Dosing & protocol.
Crocin itself is water-soluble but is hydrolyzed in the gut to crocetin, the form mainly absorbed into the bloodstream. Taking with a meal can reduce the chance of mild stomach upset; consistent daily dosing matters more than meal timing for mood outcomes.2,6
What it actually costs.
Real-world pricing across three quality tiers. Assumes Standardized saffron extract capsules (~28 to 30 mg per day).
Pricing reflects a 28 to 30 mg per day standardized-extract serving. Branded, clinically studied extracts (e.g. affron) sit at the premium end. Saffron is among the most expensive botanicals by weight and is frequently adulterated, so third-party tested products carry a meaningful premium that is generally worth it for label accuracy. Whole-thread culinary saffron can cost more per effective standardized dose due to potency variability. Updated 2026-06-04.
Full safety detail.
Side effects
- Mild gastrointestinal upset or nausea
- Headache
- Drowsiness or sedation
- Reduced appetite
- Dry mouth
- High saffron doses (well above supplement levels) can cause vomiting, dizziness, and bleeding
Contraindications
- Pregnancy (high saffron doses are traditionally uterine-stimulant and may increase miscarriage risk)1,2
- Bipolar disorder (potential to provoke mania/excitability given mood-active effects)1,2
- Known allergy to saffron or Lolium/Olea/Salsola plant pollens1,2
- Use alongside antidepressant medication should be supervised due to additive serotonergic potential2
- Bleeding disorders or upcoming surgery (high doses may affect clotting)1
Sources, by evidence tier.
Numbered references. Citations throughout the page link here.
Meta-analyses & systematic reviews
2- 1Saffron in the treatment of depression, anxiety and other mental disorders: Current evidence and potential mechanisms of actionMarx W, Lane M, Rocks T, et al. · Journal of Affective Disorders · 2019
- 2Saffron (Crocus sativus L.) and major depressive disorder: a meta-analysis of randomized clinical trialsHausenblas HA et al. · Journal of Integrative Medicine · 2013
Saffron supplementation significantly reduced depression symptom severity versus placebo and was comparable to standard antidepressants in adults with major depressive disorder.
Randomized controlled trials
7- 3Affron, a standardised extract from saffron (Crocus sativus L.) for the treatment of youth anxiety and depressive symptoms: a randomised, double-blind, placebo-controlled studyLopresti AL et al. · Journal of Affective Disorders · 2018
A standardized saffron extract produced greater improvement in self-reported depressive and anxiety symptoms than placebo over the treatment period.
- 4Comparison of Saffron versus Fluoxetine in Treatment of Mild to Moderate Postpartum Depression: A Double-Blind, Randomized Clinical TrialKashani L, Eslatmanesh S, Saedi N, et al. · Pharmacopsychiatry · 2017
- 5The effects of crocin on the symptoms of depression in subjects with metabolic syndromeKermani T, Kazemi T, Molki S, et al. · Advances in Integrative Medicine · 2017
- 6Saffron supplementation in patients with early age-related macular degeneration: a randomized, double-blind, placebo-controlled clinical trialFalsini B et al. · Investigative Ophthalmology and Visual Science · 2010
Short-term saffron supplementation was associated with improved retinal flicker sensitivity in patients with early age-related macular degeneration.
- 7Saffron supplementation in the treatment of age-related macular degeneration: a randomized, double-blind, placebo-controlled crossover studyFalsini B, Piccardi M, Minnella A, et al. · Investigative Ophthalmology and Visual Science · 2010
- 8Crocus sativus L. (saffron) in the treatment of premenstrual syndrome: a double-blind, randomised and placebo-controlled trialAgha-Hosseini M et al. · BJOG: An International Journal of Obstetrics and Gynaecology · 2008
Saffron was more effective than placebo at reducing premenstrual syndrome symptom scores over two menstrual cycles.
- 9Crocus sativus L. (saffron) in the treatment of mild to moderate depression: a double-blind, randomized and placebo-controlled trialSource linkedPMIDAkhondzadeh S, Tahmacebi-Pour N, Noorbala AA, et al. · Phytotherapy Research · 2005
Reviews & position papers
1- 10Crocin and crocetin of saffron: pharmacological activities and antioxidant mechanismsAlavizadeh SH et al. · Food and Chemical Toxicology · 2014
Crocin and its aglycone crocetin scavenge reactive oxygen species and reduce lipid peroxidation, supporting antioxidant and tissue-protective activity in preclinical models.
Common questions.
Quick answers about Crocin (Saffron Extract), drawn from the data on this page.
What is Crocin (Saffron Extract)?
Crocin is the major water-soluble carotenoid pigment responsible for the deep red color of saffron (Crocus sativus stigmas) and is the marker compound for many standardized saffron extracts. It is studied most for mild-to-moderate depressive symptoms and mood, and to a lesser extent for retinal/macular health and general antioxidant support. Most clinical trials use whole standardized saffron extracts (typically standardized to crocins and safranal) rather than isolated crocin.
What is Crocin (Saffron Extract) used for?
Commonly cited benefits of Crocin (Saffron Extract) include: May reduce mild-to-moderate depressive symptoms; Supports mood and emotional well-being; May ease premenstrual symptoms; Antioxidant and anti-inflammatory support; May support retinal and macular health. NutriStack rates the overall evidence as moderate.
What is a typical dose of Crocin (Saffron Extract)?
A typical adult dose of Crocin (Saffron Extract) is 28-30 mg/day of standardized saffron extract (or roughly 30 mg/day of saffron stigma equivalent); crocin-rich extracts are typically dosed at 15 mg twice daily. The commonly recommended form is Standardized saffron extract capsule (standardized to crocins and safranal, e.g. affron-type extracts). These are general ranges, not personalized advice; confirm the right dose with a clinician.
What are the side effects of Crocin (Saffron Extract)?
Reported side effects include mild gastrointestinal upset or nausea, headache, drowsiness or sedation, reduced appetite, dry mouth, high saffron doses (well above supplement levels) can cause vomiting, dizziness, and bleeding. This is educational information; check with a healthcare professional before use.
How strong is the evidence for Crocin (Saffron Extract)?
NutriStack rates this as Moderate, meaning several aligned RCTs or one large RCT plus supporting reviews. Full tier criteria are at https://nutristackapp.com/methodology/evidence-tiers.
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