What a New Saffron Trial Showed About Low Mood at 50 to 70
Most of the women who tell me their mood has flattened out in their fifties don't call it depression. They call it running on less. Less patience, less interest in things that used to come easily, and a night of sleep that doesn't refill anything. A trial published this June in Frontiers in Nutrition went looking at exactly that group. The headline result held up. Several of the results underneath it didn't.
What the trial tested
Eighty-six women aged 50 to 70 enrolled, all of them reporting both low mood and poor sleep at screening. To qualify, a woman had to score in the mild-to-moderately-severe range on a standard depression questionnaire and to fall in the worst quarter of the population for sleep disturbance. Half received 28 mg a day of a standardized saffron extract called Affron. Half received a matching placebo. Neither the women nor the researchers knew who was taking which for the full 12 weeks, which is the design that gives you the most trustworthy answer.
On the main measure, the depression score, the saffron group improved 2.37 points further than placebo (95% CI 0.23 to 4.51). The effect size was 0.48, which is moderate. In plain terms, the average woman on saffron ended up better off than roughly two thirds of the women on placebo.
The researchers had set a 7-point drop as the size of change a person would notice in her own life. Just under half the saffron group reached it, at 48.8%. A quarter of the placebo group reached it too, at 25.6%. That placebo quarter is not a rounding error, and it's the whole reason mood research needs a control group.
Self-esteem scores rose about 10% on saffron and about 4.8% on placebo, a difference of roughly one and a half points. Sleep produced a split result. How much the women's sleep dragged on their daytime functioning improved. The quality of the nights themselves showed no difference at all (p = 0.786). The study also checked whether saffron changed how the women rated their own appearance, and whether an AI tool estimated their facial skin as younger. Neither moved.
Two things about this trial belong in the open. The authors label everything past the depression score as exploratory, seeing as the study was sized to answer one question and one question only. And the trial was funded by Pharmactive Biotech Products, the company that makes the extract, which also supplied the product and helped design the study. The authors state they ran the analyses independently. Carry both facts with you into the result.
The bigger picture
The largest synthesis so far pooled 34 randomized trials covering 1,769 adults. Saffron lowered self-reported depression scores by about 4.4 points on the Beck Depression Inventory, and lowered self-reported anxiety as well. On the scales where a clinician does the rating instead of the patient, the pooled effect vanished.
That split keeps showing up in this literature and nobody has settled what it means. Saffron might change how a person feels without changing what an observer can see from the outside. Self-report scales might simply be more sensitive. Or blinding might be imperfect, with self-report picking up expectation. All three remain live.
A 2025 trial in the American Journal of Clinical Nutrition gave saffron extract to 51 healthy adults with low-grade symptoms for six weeks and found no effect on its primary combined measure of depression, anxiety, and fatigue. Where saffron has been compared head to head against SSRIs across eight trials, symptom reduction came out statistically indistinguishable between the two, with fewer reported side effects in the saffron arms. Those trials are small and short, so read that as an early signal rather than settled equivalence.
The closest match in my own reference library is a 2021 trial from the same research group, same extract, same daily dose, 86 perimenopausal women over 12 weeks. Anxiety scores fell 33% and depression scores 32% on the psychological portion of a menopause symptom scale. Hot flashes and physical symptoms didn't change.
The naturopathic lens
Low mood arriving in the fifties almost never arrives by itself. Before I'd think about a botanical, I want to know what the thyroid is doing, where ferritin and B12 and vitamin D sit, and whether the sleep problem is its own problem or a symptom of something else. If the nights are broken, I want to know why, and that question includes whether anyone has ever screened for sleep apnea.
The split in the trial's own sleep results points the same direction. Daytime impairment improved while the nights themselves did not, which is the pattern you'd expect if the mood lifted and the sleep stayed exactly where it was. Feeling better makes a bad night cost you less. It doesn't make the night better.
This comes up in my clinic more often than it might seem. Nearly everyone I see for mast cell activation or a motility problem also sleeps badly and feels flat, and it's tempting to treat the flatness as its own condition. Saffron doesn't touch mast cells or transit time. Whenever the low mood is downstream of a body sitting in a constant low-grade alarm state, the work is upstream.
So how does this translate to daily life?
Get the workup before the bottle. Thyroid panel, ferritin, B12, vitamin D, and a straight conversation about how you're sleeping.
If the nights are the problem, this trial doesn't support saffron for them. The sleep disturbance measure didn't move.
The result belongs to the specific extract that was tested, standardized to a set crocin content. A generic saffron capsule off the shelf isn't automatically the same product, and the researchers noted they didn't independently verify the manufacturer's certificate of analysis.
Saffron in food is a different thing. Culinary saffron in a rice dish or a broth is a pleasure, and it's nowhere near the amount used in these trials.
If you take an antidepressant, this is a conversation with your prescriber before it's a purchase. Saffron is being studied as an alternative to SSRIs, which tells you the two are working in overlapping territory.
One 86-person trial is one data point.
Saffron is a reasonable thing to consider once the boring questions have been answered. That's roughly where most botanicals belong, and it's a better place for them than the front of the queue.
References
Lopresti AL, Smith SJ. The effects of a saffron extract (Affron) on mood, sleep, self-esteem, and exploratory measures of physical appearance in women aged 50 to 70 years experiencing low mood and poor sleep: a randomised, double-blind, placebo-controlled trial. Frontiers in Nutrition. 2026;13:1838513. doi:10.3389/fnut.2026.1838513. Original article: https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2026.1838513/full
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. Nutritional Neuroscience. 2026;29(7):816-837. PMID 41693488. doi:10.1080/1028415X.2025.2602153
Amadieu C, Leyrolle Q, Farneti M, et al. Effect of saffron extract supplementation on mood in healthy adults with subclinical symptoms of depression: a randomized, double-blind placebo-controlled study. The American Journal of Clinical Nutrition. 2025;122(6):1625-1635. PMID 41047129. doi:10.1016/j.ajcnut.2025.09.050
Shafiee A, Jafarabady K, Seighali N, et al. Effect of saffron versus selective serotonin reuptake inhibitors (SSRIs) in treatment of depression and anxiety: a meta-analysis of randomized controlled trials. Nutrition Reviews. 2025;83(3):e751-e761. PMID 38913392. doi:10.1093/nutrit/nuae076
Lopresti AL, Smith SJ. The effects of a saffron extract (affron) on menopausal symptoms in women during perimenopause: a randomised, double-blind, placebo-controlled study. Journal of Menopausal Medicine. 2021;27(2):66-78. PMID 34463070. doi:10.6118/jmm.21002 (held in the Yggdrasil Abstract Library)
Citations 2 through 5 were retrieved and verified through PubMed. Reference titles keep the spelling used by the publishing journal.
A note on how to use this
This article is educational and isn't medical advice. It can't account for your history, your medications, or your labs, and it isn't a substitute for working with someone who knows all three. Please talk with your own provider before adding a supplement, especially if you're taking prescription medication for mood or sleep.
If this resonates with what you're experiencing and you'd like to explore a naturopathic approach, book a consultation with our clinic.
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