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Vitamins are micronutrients essential for the body. They are organic 

Vitamins 1. Canadian Academy of Sports Nutrition caasncompounds involving in many chemical and physiological reactions in the body. Human body cannot make vitamins by itself, except for some vitamins B that are manufactured in the intestine by normal flora.

Vitamins themselves cannot generate energy and calories. However, they have key roles in generating energy and calories from macronutrients. They involve in energy production, metabolism of macronutrients (carbohydrates, proteins, and fats), body metabolism, digestion, growth, immunity etc.

Vitamins have been categorized into two groups: water soluble and fat soluble. Water soluble vitamins are B and C. Fat soluble vitamins are A, D, E and K.

Click on them below for detailed information about vitamins, their food sources, functions, athletic and health benefits, doses and interactions of different vitamins:

Vitamin A (Retinol)

Vitamin B1 (Thiamine)

Vitamin B2 (Riboflavin)

Vitamin B3 (Niacin)

Vitamin B4 (Adenine)

Vitamin B5 (Pantothenic Acid)

Vitamin B6 (Pyridoxine)

Vitamin B7 (Biotin)

Vitamin B8 (Inositol)

Vitamin B9 (Folic Acid)

Vitamin B10 (PABA)

Vitamin B11 (PHGA)

Vitamin B12 (Cobalamin)

Vitamin B13 (Orotic Acid)

Vitamin B14

Vitamin B15 (Pangamic Acid)

Vitamin B16 (Dimethylglycine)

Vitamin B17 (Laetrile; Amygdalin)

Vitamin B18 (Choline)

Vitamin C (Ascorbic Acid)

Vitamin D (Calciferol; Cholecalciferol)

Vitamin E (Tocopherols)

Vitamin F (Essential Fatty Acids)

Vitamin H (Biotin)

Vitamin K

Vitamin P (Flavonoids)