PCOS supplements, explained simply
PCOS affects everyone differently, and advice online can often feel overwhelming or contradictory. This page is a calm, evidence-led guide to supplements for PCOS - helping you decide what may be worth exploring for your goals.
How to use this page
- Start with your main goal (cycles, acne, insulin, sleep…)
- Open a supplement to see what the evidence suggests and who it may suit.
- Try one change at a time. PCOS responses vary.
Not sure where to start?
If you’re overwhelmed, start with foundations first. Supplements can be helpful for some people, but the best choice depends on your symptoms, goals, and preferences.
Start hereHow we talk about evidence
We use simple evidence labels to help you scan quickly. They’re a guide, not a verdict, and context still matters.
Consistent support across multiple studies, though results can still vary between people and outcomes.
Some supportive evidence, but with limitations such as small studies or mixed results.
Studies report mixed or inconsistent results.
Early or limited evidence, with few studies or uncertain results.
We consider study quality, consistency, and relevance to PCOS - not just popularity.
Browse by goal
Many supplements overlap across goals. Use these sections as a simple starting point, then open any supplement to see the fuller picture.
Insulin resistance
Androgens
Ovulation & fertility
Inflammation
Sleep & mood
Weight management
Insulin resistance
Insulin resistance is common in PCOS and can affect energy, cravings, and ovulation. These are supplements most often studied for insulin and glucose markers.
Myo-Inositol
Myo-inositol is one of the most researched supplements in PCOS and may help improve insulin sensitivity while supporting more regular menstrual cycles or ovulation in some women. It is best viewed as a supportive tool, not a cure or replacement for broader PCOS care.
Read more →Omega-3
Omega-3 is a supportive supplement for PCOS with the best evidence around insulin-resistance markers, triglycerides, and inflammation. It makes most sense as a metabolic support option rather than a broad symptom supplement.
Read more →NAC
NAC (N-Acetyl-Cysteine) is an antioxidant supplement that looks promising but not definitive for PCOS. The best evidence suggests it may support ovulation and fertility in some treatment settings and may help some metabolic markers, but it is not a proven fix for every PCOS symptom.
Read more →Berberine
Berberine is a plant compound often used to support blood sugar and metabolic health. For women with PCOS, it may be worth considering if insulin resistance is part of the picture, but the research is still mixed.
Read more →Vitamin D
Vitamin D is not a core PCOS supplement for everyone, but it can be a sensible supportive add-on, especially if your levels are low or you are at risk of deficiency. The best evidence points to modest help with insulin-related markers and possibly cycle regularity, rather than big fertility or hormone changes.
Read more →L-Carnitine
L-carnitine is a nutrient involved in energy production and fat metabolism. In PCOS, it may offer some support for insulin resistance and metabolic health, but the evidence is still limited and not strong enough to make it a front-line supplement.
Read more →Androgens
Androgen-related symptoms can include acne and excess hair growth. These are supplements most often studied in relation to androgen markers or skin outcomes.
NAC
NAC (N-Acetyl-Cysteine) is an antioxidant supplement that looks promising but not definitive for PCOS. The best evidence suggests it may support ovulation and fertility in some treatment settings and may help some metabolic markers, but it is not a proven fix for every PCOS symptom.
Read more →Berberine
Berberine is a plant compound often used to support blood sugar and metabolic health. For women with PCOS, it may be worth considering if insulin resistance is part of the picture, but the research is still mixed.
Read more →Ovulation & fertility
Some supplements are studied for cycle regularity and ovulation support in PCOS. These are the options most often discussed in that context improving ovulation & fertility in PCOS.
Myo-Inositol
Myo-inositol is one of the most researched supplements in PCOS and may help improve insulin sensitivity while supporting more regular menstrual cycles or ovulation in some women. It is best viewed as a supportive tool, not a cure or replacement for broader PCOS care.
Read more →NAC
NAC (N-Acetyl-Cysteine) is an antioxidant supplement that looks promising but not definitive for PCOS. The best evidence suggests it may support ovulation and fertility in some treatment settings and may help some metabolic markers, but it is not a proven fix for every PCOS symptom.
Read more →Folic Acid
Folic acid is not really a “PCOS supplement” in the usual sense, but it does matter if you’re trying to conceive or could become pregnant. For PCOS, the strongest reason to take it is good preconception care, with some smaller studies also suggesting support for homocysteine and a few metabolic markers.
Read more →Inflammation
Inflammation is often discussed alongside metabolic health in PCOS. These are supplements commonly studied in relation to inflammatory markers.
Omega-3
Omega-3 is a supportive supplement for PCOS with the best evidence around insulin-resistance markers, triglycerides, and inflammation. It makes most sense as a metabolic support option rather than a broad symptom supplement.
Read more →Sleep & mood
Some supplements are explored for sleep and mood support in PCOS, though this area is less clear-cut.
Weight management
Some supplements are explored for weight management in PCOS, though this area is less clear-cut.
L-Carnitine
L-carnitine is a nutrient involved in energy production and fat metabolism. In PCOS, it may offer some support for insulin resistance and metabolic health, but the evidence is still limited and not strong enough to make it a front-line supplement.
Read more →Supplements can help some people with PCOS, but responses vary. If you're trying to conceive (TTC), pregnant, breastfeeding, or on medications, check safety notes and consider clinical advice.
Evidence-led, supportive PCOS guidance - without pressure or perfection.
Information on this site is for educational purposes only and is not a substitute for medical advice.