The scientific truth about collagen supplements

Your body uses collagen to give your skin strength and elasticity, so supplements of this protein seem to make sense to reduce wrinkles. But columnist Alice Klein finds it isn’t this simple

口服膠原蛋白補充劑經消化後只是普通氨基酸，無法定向修復皮膚膠原，現有試驗的除皺效果微小且多有行業資助背景。作者認為更可靠的替代方案是運動、防曬、維A酸及受控皮膚損傷類療法。