Insulin sensitizers are a class of medications that help your body respond better to its own insulin. They're widely used in PCOS because insulin resistance — the condition they treat — is one of the underlying drivers of PCOS itself.
A bit of context on why insulin matters for PCOS specifically. Insulin is the hormone your body uses to regulate blood sugar. When you eat, your blood sugar rises, and your pancreas releases insulin to help your cells absorb the glucose for energy or storage. In insulin resistance, your cells stop responding normally to insulin — so your pancreas produces more of it to compensate. Chronically elevated insulin levels then create a cascade of effects:
- More fat storage, especially around the midsection
- Harder weight loss, because high insulin signals your body to store fat rather than break it down
- Stronger cravings for carbs and sugar
- Increased androgen production in the ovaries, which then drives PCOS-related acne, unwanted facial hair, and scalp hair loss
- Disrupted ovulation, which contributes to irregular cycles
An estimated 70 percent of women with PCOS have some degree of insulin resistance — including many at every body size, not just larger bodies. This is why so many PCOS symptoms that look unrelated (acne, weight, cycle issues, fatigue, hair changes) are actually connected at the level of mechanism.
Insulin sensitizers address that mechanism directly. By improving how your cells respond to insulin, they help reduce the chronically elevated insulin levels that drive so many of the downstream symptoms. The most commonly prescribed insulin sensitizer for PCOS is Metformin — available through Oana in both oral (Metformin ER) and topical (Topical Metformin) forms. Each has a different role in a treatment plan, and your Oana clinician will recommend which form is right for your case.
For women with PCOS or PCOS-pattern hormonal imbalance symptoms, addressing insulin resistance is often one of the most foundational moves in a treatment plan — because when the insulin side of the equation shifts, several connected symptoms tend to shift with it.