Saffron for PMS and PMDD: does it really work?

Summary

Saffron's active compounds - crocin and safranal - support serotonin and dopamine balance, which may help lift mood and ease emotional symptoms before your period. Clinical trials show promising results for mood-related PMS symptoms, though studies are still limited in size and more research is needed. Evelyn includes 30 mg of saffron stigma extract standardised to 5% crocins in both Revive and the PMS Bar, aligned with the dose used in clinical research.

What is saffron?

Saffron is derived from the dried stigmas of the Crocus sativus flower. It is one of the most expensive botanicals in the world, and has been used in traditional medicine across the Middle East, India, and Europe for thousands of years.

In small culinary amounts, saffron gives food its distinctive golden colour and flavour. In supplement form, a concentrated and standardised extract is used, containing the specific active compounds linked to its mood and hormonal effects.

The two key active compounds in saffron are crocin, which gives saffron its colour, and safranal, which gives it its distinctive aroma. Both have been studied for their effects on mood, serotonin activity, and emotional wellbeing.

Saffron's active compounds, crocin and safranal, may help lift mood, ease stress, and reduce PMS symptoms by supporting serotonin and dopamine balance.

Does saffron really help with PMS and PMDD?

The early evidence is promising, particularly for mood-related symptoms. A small number of clinical trials have found that saffron extract can improve mood and emotional PMS symptoms when taken consistently, and a 2025 systematic review has added further weight to this picture.

It is important to be honest: the evidence base is newer and smaller than for some other ingredients in the Evelyn Routine. Studies are limited in size and duration, and more research is needed before firm conclusions can be drawn. Saffron is best considered a supportive option for emotional wellbeing rather than a primary treatment for PMS or PMDD.

If your symptoms tend to be more focused on cramps and pain, it is worth also reading about magnesium and omega-3s, which have particularly strong evidence for those specific symptoms.

Mood: low mood, irritability, and emotional sensitivity before your period

Saffron's most studied effect is on mood. Crocin and safranal both inhibit the reuptake of serotonin in the brain, meaning more serotonin remains available to regulate mood, emotional stability, and stress response. This is the same basic mechanism used by some antidepressant medications, though saffron acts more gently and through multiple pathways simultaneously.

In the luteal phase, when serotonin activity naturally dips, saffron may help support the brain's ability to maintain emotional balance.

• Crocin and safranal inhibit serotonin reuptake, increasing its availability in the brain
• Saffron also supports dopamine activity, which is linked to motivation, pleasure, and emotional resilience
• These effects may be particularly relevant in the luteal phase, when neurotransmitter activity is most disrupted

Stress and tension before your period

Beyond mood, saffron's antioxidant and anti-inflammatory properties may help reduce the physical tension and stress that often accompanies PMS and PMDD in the luteal phase.

• Safranal has been shown to have mild anxiolytic (anti-anxiety) properties in research settings
• Saffron's antioxidant compounds may help reduce oxidative stress, which is elevated in the luteal phase in some people with PMS
• These combined effects may contribute to a feeling of greater calm and reduced tension before your period

Hormone support and mild cramp relief

There is early evidence that saffron's anti-inflammatory properties may also offer some mild relief from cramps and fatigue before a period, though this is less well established.

• Saffron's antioxidant and anti-inflammatory compounds may modestly reduce inflammatory activity in the luteal phase
• Some evidence suggests saffron may influence cortisol and other stress hormones, which are elevated in some people with PMS and PMDD

How does saffron work in the body?

Saffron's active compounds, particularly crocin and safranal, act on several neurological and biochemical pathways simultaneously. This multi-pathway action may be part of why it shows promise across different types of PMS symptoms.

Neurological pathway

Crocin and safranal both inhibit the reuptake of serotonin, dopamine, and norepinephrine in the brain. This means these neurotransmitters remain active for longer, supporting mood stability, motivation, and stress resilience during the luteal phase.

Antioxidant pathway

Crocin is a powerful antioxidant. It helps neutralise free radicals and reduce oxidative stress, which is elevated in some people with PMS and PMDD and may contribute to mood disruption and physical discomfort before a period.

Anti-inflammatory pathway

Saffron's compounds have mild anti-inflammatory properties that may help reduce the inflammatory activity associated with PMS and PMDD symptoms, though this pathway is less well studied in PMS populations specifically.

What does the research say?

The evidence base for saffron in PMS and PMDD is growing, with two RCTs specifically in PMS populations and one 2025 systematic review adding to the picture. The results are promising but the field is newer than for some other ingredients.

A Good rating means there are clinical trials showing positive results, but the evidence is not yet as extensive or consistent as our Strong-rated ingredients. For saffron, the evidence is promising and growing, particularly for mood-related PMS symptoms, but study sizes are small and more replication is needed. We will update this rating as evidence develops.

Saffron dosage for PMS and PMDD: how much should you take?

How much? Evelyn's formula contains 30 mg of saffron stigma extract per serving, standardised to 5% crocins. This is aligned with the doses used in clinical studies for PMS, which typically use 30 mg per day (either as 15 mg twice daily or 30 mg once daily) over two or more menstrual cycles.

Why standardisation matters: The active compounds in saffron, crocin and safranal, vary widely between products depending on how the extract is produced. A product that simply says "saffron extract" without stating crocin or safranal content gives you no way of knowing whether you are getting a meaningful dose of the compounds that matter. Evelyn's saffron extract is standardised to 5% crocins, ensuring a consistent, clinically meaningful dose in every serving.

When to take it? Saffron is included in both Revive and the PMS Bar. Consistent daily use throughout the cycle helps maintain stable levels and supports the neurotransmitter balance that underpins its effects.

With or without food? Saffron can be taken with or without food. Taking it at the same time each day helps maintain consistency.

How to buy good quality saffron

Saffron is one of the most expensive botanicals in the world, which means quality varies enormously. Two products can both say "saffron extract" on the label and contain very different levels of the compounds that matter.

1. Look for saffron stigma extract, not generic saffron powder

The clinical PMS research used saffron from the stigma of Crocus sativus, not culinary blends, petals, or unspecified saffron powder. A concentrated stigma extract is more predictable and potent than ordinary spice powder.

2. Check for standardisation

Good saffron extracts should be standardised to active compounds such as crocins, safranal, or picrocrocin. These are the key markers of saffron quality and potency. If a product does not state its standardisation, you have no way of knowing how much of the active compounds you are actually getting.

3. Be cautious of cheap saffron

Saffron is highly vulnerable to adulteration because it is so valuable. Lower-quality products may be diluted, substituted with other plant material, or artificially coloured. Price is often a meaningful signal of quality here.

4. Ask about testing and certification

Reputable suppliers should test for identity, potency, contaminants, and adulteration, and be able to provide a Certificate of Analysis. ISO 3632 is the recognised international standard for saffron quality testing, assessing markers including crocin, picrocrocin, and safranal. Look for suppliers who reference this standard.

5. Check the dose

The main PMS trials used 30 mg of saffron extract per day over two or more menstrual cycles. Be cautious of products using much lower doses, or products that do not clearly state the amount of saffron extract per serving.

What to be mindful of

Saffron is considered safe for most people at the doses used in Evelyn's formula. Side effects at 30 mg per day are uncommon and generally mild when they do occur, most often mild digestive discomfort or headache.

Very high doses of saffron (above 5 g per day, far above any supplement dose) can be toxic, but this is not relevant at the amounts used in supplements.

Speak to your GP before supplementing if you are:

• Taking antidepressants or other medications that affect serotonin levels, including SSRIs, SNRIs, or MAOIs - there is a theoretical risk of serotonin interaction at higher doses
• Pregnant or trying to conceive - saffron has been used historically to stimulate uterine contractions and should be avoided in pregnancy
• Living with bipolar disorder or other mood conditions currently managed with medication

How long does saffron take to work?

Saffron works by supporting serotonin and dopamine availability across the cycle. Like most nutritional supplements, consistent daily use over time produces the most reliable results.

How it fits in the Evelyn formula

Saffron extract is a key ingredient in both Evelyn's Revive shake and the Evelyn PMS Bar.

We chose saffron for Revive and the PMS Bar because:

• Its active compounds directly support the serotonin and dopamine pathways most disrupted in the luteal phase
• The clinical evidence for mood-related PMS symptoms is promising and growing
• It complements vitamin B6 and magnesium in Revive, addressing mood and stress from multiple neurological angles
• It works best with consistent daily use, which fits the design of the Evelyn Routine

Saffron in Revive and the PMS Bar works in synergy with vitamin B6 and magnesium (also in Revive and the PMS Bar) and with chasteberry and vitamin D in Rhythm, supporting the neurological and hormonal pathways underlying PMS and PMDD mood symptoms.

Should you try saffron for PMS and PMDD? 💡

References

1. Agha-Hosseini M, Kashani L, Aleyaseen A, Ghoreishi A, Rahmanpour H, Zarrinara AR, Akhondzadeh S. Crocus sativus L. (saffron) in the treatment of premenstrual syndrome: a double-blind, randomised and placebo-controlled trial. BJOG. 2008;115(4):515–519. 
2. Beiranvand SP, Beiranvand NS, Moghadam ZB, Birjandi M, Azhari S, Rezaei E, Salehnia AN, Beiranvand S. The effect of Crocus sativus (saffron) on the severity of premenstrual syndrome. Eur J Integr Med. 2016;8(1):55–61. 
3. Mohammadi MM, Karimi Z. Effect of saffron on premenstrual syndrome and dysmenorrhea: a systematic review and meta-analysis. Korean J Fam Med. 2025.

Disclaimer: This article is for information only and is not intended as medical advice. Always speak to a qualified healthcare professional about any health concerns.