Place · Level 3
全球育龄女性 8-13% · 胰岛素抵抗驱动 + 雄激素 + 月经紊乱 · 肌醇 + 地中海 + 减腰围 · 不是卵巢病
synergy · 1
Sex-hormone imbalance amplifies insulin resistance: higher androgens in PCOS worsen it, while resistance itself lowers SHBG and pushes free androgen up — a loop that turns on its own, which is why both sides need managing together.
regulates · 1
The androgen excess of PCOS thins scalp follicles while coarsening facial and body hair — one hormone, two opposite-looking outcomes. Hair loss alongside irregular cycles, acne or hirsutism is a reason to check hormones.
contrast · 3
One SHBG mechanism, opposite clinical readings by sex: insulin resistance lowers SHBG, which in men looks like low total testosterone with possibly normal free T, and in women raises free T — the route behind the androgen picture in PCOS.
Berberine activates AMPK in a direction similar to metformin, which is why it gets offered as a substitute. But its bioavailability is poor and it is contraindicated in pregnancy — which matters especially for PCOS patients whose goal is conception.
Chromium is sold as a must-have for blood sugar on the strength of glucose tolerance factor, a concept that has since been overturned. For insulin resistance in PCOS it does not belong in the evidence-backed column.