2025年3月21日 · Traditionally vitamins are separated into two groups, the water-soluble and the fat-soluble vitamins. The water-soluble vitamins are thiamin, riboflavin, niacin, vitamin B 6, folic acid, vitamin B 12, pantothenic acid, biotin, and vitamin C. The fat-soluble vitamins are vitamin A, vitamin E, vitamin D, and vitamin K.

2022年8月23日 · Rev up before hitting the gym with a snack like a hard-boiled egg or cereal with vitamins added. B12 helps your body break down food for energy. Some athletes and trainers take supplements before ...