Folate Supplementation Shows Promising Results for Women with PCOS

Conducted as a randomized, double-blind, placebo-controlled trial, the study involved 69 women aged 18 to 40 with diagnosed PCOS. Participants were divided into three groups and received either 1 mg/day folate, 5 mg/day folate, or a placebo for 8 weeks.
Researchers measured a variety of health indicators, including homocysteine levels, inflammatory markers such as high-sensitivity C-reactive protein (hs-CRP), and oxidative stress biomarkers like total antioxidant capacity (TAC) and glutathione (GSH).
The findings were compelling. Women who received the higher folate dose experienced significant reductions in plasma homocysteine, hs-CRP, and a marker of oxidative damage (malondialdehyde). Additionally, this group saw a notable improvement in their antioxidant status.
One trial demonstrated that 400 mcg of Quatrefolic® (plus B6 and B12) lowered Hcy serum levels better than conventional high-dose folic acid supplementation (5 mg/day).
Tested on hypertensive subjects at low cardiovascular risk (104 patients with HCys ≥15 µmol/L), the result shows significant HCys reduction compared to baseline from 21.5 µmol/L to 10.0 µmol/L.
Moreover, the ideal HCys level was reached in 55.8% of cases in the Quatrefolic® group, and it was substantially higher than in the control.
In conclusion, these studies suggest that folate, such as Quatrefolic®, may play a valuable role in reducing inflammation and oxidative stress among women with PCOS—factors that are often linked to complications such as insulin resistance and cardiovascular risk.