Ingredient Evidence

Capsaicin is the heat-producing substance in chili peppers, including cayenne. Human studies most clearly support topical capsaicin for some short-term pain uses; studies of oral capsaicin or red …

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Creatine is a natural compound your body makes and stores mostly in muscle, where it helps supply quick energy for hard, short efforts. Human studies most consistently support creatine alongside …

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Saw palmetto is an extract from the berry of Serenoa repens, a small palm tree. Human studies give the clearest answer for urinary symptoms in men: large reviews find little or no meaningful benefit …

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Vitamin K2 is a group of fat-soluble vitamin K forms called menaquinones, most often MK-4 and MK-7. Human studies suggest it can change bone-related markers and may help maintain bone density in …

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Quercetin is a flavonoid, a plant compound found in foods, and human research shows a small reduction in systolic blood pressure in pooled trials while many other proposed benefits remain mixed or …

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Potassium is an essential mineral that helps cells, nerves, and muscles work normally. Human research most consistently links higher potassium intake or potassium interventions with lower blood …

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