List of the Water Soluble Vitamins and Fat Soluble Vitamins, and their Health Benefits, Functions, Sources, and symptoms due to prolonged deficiency.
| S. No. | Name of Vitamin | Primary Function in the Human Body | Major Dietary Source | Symptoms from prolonged deficiency | |
| List of Water Soluble Vitamins | |||||
| 1 | Vitamin B1 (Thiamin) | A coenzyme in Carbohydrate metabolism; required for changing Pyruvic Acid to Acetyl | Eggs, legumes, meats, grains, | Berri-Berri damage to heart tissue, nerve damage leading to the weakness of the muscles, pain and paralysis | |
| 2 | Vitamin B2 (Riboflavin) | A coenzyme in Carbohydrate metabolism; part of FAD | Eggs, meat, grains, dairy products, green leafy vegetables | Scaly skin, cracks at corner of mouth, purple-red tongue | |
| 3 | Vitamin B6 (Pyroxidine) | A coenzyme in Amino Acid and Fatty Acid metabolism | Meat, eggs, grains green leafy vegetables | Nerve and muscular irritability, skin lesions, anaemia | |
| 4 | Vitamin B12 (Cobalamin) | A coenzyme used in RNA / DNA synthesis and formation of Red Blood Cells (RBCs) | Meat, eggs, dairy products | Pernicious anaemia, nerve damage | |
| 5 | Vitamin B3 (Niacin) | A coenzyme in Carbohydrate metabolism; part of NAD | Grains, meat, eggs, | Pellagra, diarrhoea, skin damage, red and sore tongue | |
| 6 | Vitamin C (Ascorbic Acid) | Collagen synthesis, antioxidant | Fruits and vegetables | Scurvy in which bleeding gums can be noticed, poor wound healing, loosened teeth, weakness of muscles | |
| 7 | Folic Acid | A coenzyme in DNA / RNA synthesis and formation of Red Blood Cells (RBCs) | Grains, leafy green vegetables, legumes, | Anemia, Intestinal disturbances | |
| 8 | Vitamin B7 (Biotin) | A coenzyme used in the metabolism of fat, glycogen and some amino acids | Meat, eggs, dairy products, grains legumes | Drying of skin, muscular weakness and pain | |
| 9 | Vitamin B5 (Pantothenic Acid) | Part of coenzyme A | Dairy products, meat, eggs, grains, legumes | Intestinal disturbances, fatigue, anaemia | |
| List of Fat Soluble Vitamins | |||||
| 1 | Vitamin A | Vision especially at night, and development of bones and teeth | In dark green yellow vegetables, eggs | Night blindness, dry skin | |
| 2 | Vitamin D | Promotes absorption of Calcium (Ca) and Phosphorus (P) from the intestine | Fish oil, fortified milk | Rickets, Osteomalacia | |
| 3 | Vitamin E | Antioxidant | Plant Oils | Anaemia | |
| 4 | Vitamin K | Participates in blood clotting | Meat, green vegetables (also produced by intestinal bacteria) | Abnormal bleeding | |
