Study Questions the Role of Vitamin D2 in Human Health but Its Sibling, Vitamin D3, Could Be Important for Fighting Infections Feb. 25, 2022 — New research has found significant differences ...

But vitamin C is one of those actually necessary ingredients. The antioxidant promises to do everything from fading dark marks to fighting free radicals (which break down collagen) to diminishing ...

Margeson says you’ll see vitamin A listed as beta-carotene; iron as a citrate or other ferrous fumarate, sulfate, or gluconate; and folate as L-5-methyltetrahydrofolate or 5 MTHF. “If these ...