Ive been saying this for years L carnitine isnt just some gym supplement, it actually makes a lot of sense for PCOS., For many women with PCOS, poor insulin sensitivity is a major issue that Hypertension and Insulin Resistance Hypertension PCOS is complex but the right supplements can truly make a difference. When it comes to managing PCOS naturally, three supplements stand out for their science backed benefits: 1) Berberine often compared L Carnitine (500mg) NutraBio Brands There's a reason L carnitine keeps showing up in PCOS research Because PCOS is closely tied to insulin resistance, inflammation, and metabolic dysfunctionand L carnitine plays a role in energy metabolism and fat utilization.