Use of Saffron in Improving Mood, Sleep and Food Cravings

Practitioner’s Perspective

In the almost two decades that I have been in private practice, I have seen many food-based supplements come and go, from ginkgo biloba and echinacea to St. John’s Wort and Kava Kava. Recently, I have seen quite a few saffron-based supplements advertised on social media for improving mood, brain focus, sleep, and appetite control. With my background in research and work in mental health nutrition, I wanted to review the literature and see if there was evidence for these benefits.

What is Saffron?

Saffron is the dried stigmas (thread-like middle part) of a particular crocus flower (Crocus sativus) that is prized for its golden colour and is known as the most expensive spice in the world. It is not how rare these flowers are that makes saffron so expensive; it is its short growing season, low yield of stigmas per flower, and the labour cost of harvesting the stigmas by hand using tweezers [1]. Depending on the flower size, 500 grams (half pound) of saffron requires 70,000 Crocus sativus flowers to produce [2].

Iran accounts for ~90% of the world’s saffron production, with other countries including Afghanistan, Greece, Morocco and Spain [3] making up the balance.

In addition to saffron’s prized use as a spice and colouring agent for food, it has been used for its medicinal properties for over 2,500 years [4,5], and these properties are largely attributed to its three main bioactive compounds: crocin, crocetin, and safranal [4,5].

From Spice to Nutraceutical

Saffron-based supplements have recently become a dominant force in the nutraceutical market, but rather than being promoted as a generic ‘superfood’, the industry has become highly segmented, targeting very specific clinical and lifestyle outcomes.

From what I have observed on social media, saffron supplements are currently being marketed as:

1. A Natural Mood Enhancer

Saffron-based supplements are being marketed for alleviating symptoms of mild-to-moderate depression, day-to-day anxiety, and to help regulate emotional ‘burnout,’ and claims frequently highlight that saffron offers comparable mood-lifting benefits to prescription Selective Serotonin Reuptake Inhibitors (SSRIs), but without the side effects of sexual dysfunction or emotional ‘blunting’.

Supplements in this category are predominantly saffron extracts standardized to specific percentages of safranal and crocin, frequently at 30 mg doses.

2. Cognitive Focus

Saffron-based supplements are being marketed for enhanced memory, executive function, clearing ‘brain fog’, and neuroprotection against degenerative decline (like Alzheimer’s), and seem to target those with ADHD and white-collar professionals for providing sustained focus without the jitters of caffeine or prescription stimulants.

3. Sleep Support

Saffron-based supplements are being marketed for decreasing how long it takes to fall asleep, improving deep restorative sleep, and waking up without grogginess. These supplements are also promoted as a nervous-system ‘modulator’ that naturally supports Gamma-aminobutyric acid (GABA), which is the primary inhibitory neurotransmitter of the central nervous system. GABA acts as a brake to slow down brain activity, promote relaxation, manage stress, and regulate sleep.

4. Appetite Suppressant

Building on the popularity of GLP-1 medications such as Ozempic, Wegovy, and generic medications (now available in Canada), saffron-based supplements are being marketed to help stop emotional eating, reduce carbohydrate cravings, and improve insulin sensitivity.

Rather than being marketed as a “fat-burning metabolism-booster” like the old green tea extracts were, saffron is being marketed as a “satiety enhancer,” based on its ability to stabilize serotonin levels in the brain and stop the impulse to stress-snack.

The Clinical Studies

1. A Natural Mood Enhancer

Research shows that saffron’s active compounds also act as mild agonists for GABA receptors [6].

A 2025 comprehensive systematic review and meta-analysis reported that saffron is a highly effective adjunct intervention for reducing self-reported depressive and anxious symptoms in adults. The study, which synthesized data from 34 randomized controlled trials (RCTs) comprising 1,769 adult participants, reported that saffron supplementation significantly reduced self-reported depressive symptoms across 14 trials evaluating the Beck Depression Inventory (BDI) and concurrently showed a statistically significant reduction in anxiety via the Beck Anxiety Inventory (BAI) across 6 trials [7].

2. Cognitive Focus

Recent double-blind, randomized clinical trials have assessed the efficacy of saffron compounds against standard prescription ADHD medications, finding that saffron performed with comparable efficacy in reducing core ADHD symptoms, including improving executive function [8].

3. Sleep Support

The data on saffron’s ability to enhance sleep is compelling. A 3-arm, randomized, double-blind, placebo-controlled trial evaluating standardized saffron extract (14 mg and 28 mg daily) over 28 days in adults with unsatisfactory sleep found that taking saffron one hour before bed significantly improved sleep quality ratings and reduced insomnia severity classifications. What makes this study remarkable is that investigators tracked salivary hormones, finding that saffron supplementation resulted in a statistically significant increase in evening salivary melatonin concentrations. [9]

A 2022 systematic review and meta-analysis pooled data from multiple randomized controlled trials evaluating saffron in healthy adults with insomnia and clinical populations including those with type 2 diabetes [10]. The pooled data found that saffron has a powerful, statistically significant effect across three gold-standard sleep metrics:

• PSQI (Pittsburgh Sleep Quality Index): Drastic reduction in global scores, showing faster sleep onset and fewer nighttime awakenings.

• ISI (Insomnia Severity Index): Significant down-shifting of clinical insomnia severity [10].

• RSQ (Restorative Sleep Questionnaire): A notable positive jump, meaning patients woke up feeling physically refreshed and mentally alert rather than heavily sedated [10].

A 2025 randomized, double-blind, placebo-controlled pilot study looking at the link between a 30 mg daily dose of saffron and objective sleep tracking (via EEG-based devices) found that, both subjectively and objectively, saffron significantly improved sleep efficiency and reduced the time it takes to enter deep, uninterrupted sleep [11].

4. Appetite Suppressant

The primary biochemical mechanism supporting saffron’s appetite-suppressing effects is its role as a gentle monoamine reuptake inhibitor. Active constituents, primarily crocin and safranal, increase synaptic serotonin availability within the brain’s reward centers and the hypothalamus. An 8-week, randomized, double-blind, placebo-controlled trial evaluated 60 healthy, mildly overweight women whose daily caloric intakes were unrestricted. The treatment group consumed a standardized saffron stigma extract twice daily, and data found that saffron consumption resulted in a statistically significant reduction in mean snacking frequency and a significantly greater overall reduction in baseline body weight, compared to the placebo group [12].

Another 8-week, randomized, double-blind, placebo-controlled clinical trial assessed 84 outpatients to compare the appetite-modulating effects of a daily 30 mg dose of whole saffron extract, its isolated active carotenoid (crocin), versus a placebo. The findings demonstrated that both the whole saffron and isolated crocin protocols achieved a highly statistically significant reduction in overall daily energy intake and self-reported appetite, whereas the placebo group experienced no changes [13].

Clinical Considerations

As with any supplement or nutraceutical, it is important to discuss with your doctor whether adding saffron is appropriate for you, given your health and medications you may take. Since research also reports that saffron may lower blood pressure, taking saffron with medication that lowers blood pressure may result in blood pressure going too low. Likewise, research indicates that saffron may lower blood sugar levels, so it is important to speak to your doctor if you are taking anti-diabetes drugs and want to add saffron. Should you decide to add saffron while taking these medications, be sure to monitor your blood pressure and blood sugar regularly, and speak with your doctor if you notice either is significantly lower.

More Info

I can support your goal to eat healthier, achieve and maintain a healthy weight and waist circumference, optimize the timing of when you eat relative to when you sleep as well as discuss any supplements you take. Learn about me and the Comprehensive Dietary Package that I offer.

To your good health.

Joy

You can follow me on:
Twitter: https://twitter.com/jyerdile
Facebook: https://www.facebook.com/BetterByDesignNutrition/

 

 

Quick Clinical Summary

Q: What are the primary bioactive compounds responsible for saffron’s medicinal benefits?

A: Saffron’s prized therapeutic and medicinal properties are heavily documented in clinical literature as being derived from its three main organic bioactive compounds: crocin, crocetin, and safranal.

Q: Does scientific research validate using saffron supplements for anxiety and depression?

A: Yes. A comprehensive 2025 systematic review and meta-analysis of 34 randomized controlled trials (RCTs) comprising 1,769 adult participants demonstrated that saffron functions as a highly effective intervention. It achieved a statistically significant reduction in self-reported depressive symptoms via the Beck Depression Inventory (BDI) and a verified reduction in anxiety scores via the Beck Anxiety Inventory (BAI).

Q: How does saffron supplementation structurally affect sleep architecture and biochemical markers?

A: Saffron acts as a natural nervous-system modulator. Randomized, double-blind, placebo-controlled trials show that taking a standardized extract before bed significantly lowers clinical scores on the Pittsburgh Sleep Quality Index (PSQI) and Insomnia Severity Index (ISI). Salivary hormone tracking confirms that it causes a notable increase in evening salivary melatonin concentrations, facilitating faster sleep entry and fewer nighttime awakenings.

Q: What is the biochemical mechanism behind saffron’s ability to reduce food cravings and snacking?

A: Saffron works as a gentle monoamine reuptake inhibitor. Its active constituents, primarily crocin and safranal, increase overall synaptic serotonin availability within the brain’s reward centers and the hypothalamus. This biochemical action acts as a localized satiety enhancer, resulting in a statistically significant drop in daily energy intake and a verified reduction in automatic snacking frequency.

References

1. Institute of Culinary Education (ICE), Pamela Vachon, What is Saffron? https://www.ice.edu/blog/what-is-saffron
2. Gohari AR, Saeidnia S, Mahmoodabadi MK. An overview on saffron, phytochemicals, and medicinal properties. Pharmacognosy Reviews. 2013; 7(13):61–6. [PubMed: 23922458]
3. Cardone L, Castronuovo D, Perniola M, et al. Saffron (Crocus sativus L.), the king of spices: An overview. Scientia Horticulturae, Volume 272, 2020, 109560, https://doi.org/10.1016/j.scienta.2020.109560.
4. Moghaddasi MS. Saffron chemicals and medicine usage. J Med Plants Res. 2010; 4:427–430.
5. Srivastava R, Ahmed H, Dixit RK, Dharamveer, Saraf S. Crocus sativus L.: A comprehensive review. Pharmacogn Rev. 2010; 4:200. [PubMed: 22228962]
6. Shafiee M, Arekhi S, Omranzadeh A, et al. Saffron in the treatment of depression, anxiety and other mental disorders: Current evidence and potential mechanisms of action. Journal of Affective Disorders, Volume 227, 2018, Pages 330-337, https://doi.org/10.1016/j.jad.2017.11.020.
7. Mahmoudi R, Mohammadi-Sartang M, Servatyari K, Rafieipour N. Effect of saffron on depression, anxiety and mood disorder: a GRADE assessed systematic review and meta-analysis of 34 randomized controlled trials. Nutr Neurosci. 2026 Feb 16:1-22. doi: 10.1080/1028415X.2025.2602153. PMID: 41693488.
8. Blasco-Fontecilla H, Moyano-Ramírez E, Méndez-González O, Rodrigo-Yanguas M, Martin-Moratinos M, Bella-Fernández M. Effectivity of Saffron Extract (Saffr’Activ) on Treatment for Children and Adolescents with Attention Deficit/Hyperactivity Disorder (ADHD): A Clinical Effectivity Study. Nutrients. 2022 Sep 28;14(19):4046. doi: 10.3390/nu14194046. PMID: 36235697; PMCID: PMC9573091.
9. 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 Jun 15;16(6):937-947. doi: 10.5664/jcsm.8376. PMID: 32056539; PMCID: PMC7849671.
10. Lian J, Zhong Y, Li H, Yang S, Wang J, Li X, Zhou X, Chen G. Effects of saffron supplementation on improving sleep quality: a meta-analysis of randomized controlled trials. Sleep Med. 2022 Apr;92:24-33. doi: 10.1016/j.sleep.2022.03.001. Epub 2022 Mar 6. PMID: 35325766.
11. Lang L, Ditton A, Stanescu A, Jainani V, McArthur S, Pourtau L, Gaudout D, Pontifex MG, Tsigarides J, Steward T, Sami S, Muller M, Hornberger M, Vauzour D, Lazar AS. 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. Food Funct. 2025 Aug 26;16(17):6817-6832. doi: 10.1039/d5fo00917k. PMID: 40762630.
12. Gout B, Bourges C, Paineau-Dubreuil S. Satiereal, a Crocus sativus L extract, reduces snacking and increases satiety in a randomized placebo-controlled study of mildly overweight, healthy women. Nutrition Research, 30(5), 305-313. 2010. PMID: 20579522. DOI: 10.1016/j.nutres.2010.04.008.
13. Abedimanesh N, Bathaie SZ, Abedimanesh S, Motlagh B, Separham A, Ostadrahimi A. Saffron and crocin improved appetite, dietary intakes and body composition in patients with coronary artery disease. Journal of Cardiovascular and Thoracic Research, 9(4), 200-208. 2017. PMID: 29391933. PMCID: PMC5787332. DOI: 10.15171/jcvtr.2017.35.