Learn important information about vitamins for General Knowledge, Biology, and Science preparation. Questions about vitamins, their sources, functions, and deficiency diseases are frequently asked in multiple competitive exams. These short notes help students improve Biology and GK preparation for tests and interviews.
| Vitamin | Important Function | Deficiency Disease | Main Sources |
|---|---|---|---|
| Vitamin A | Good eyesight and healthy skin | Night Blindness | Carrot, Milk, Eggs |
| Vitamin B1 (Thiamine) | Helps nervous system and energy production | Beriberi | Whole grains, Beans |
| Vitamin B2 (Riboflavin) | Healthy skin and body growth | Skin disorders | Milk, Eggs |
| Vitamin B3 (Niacin) | Helps digestion and nerves | Pellagra | Meat, Fish |
| Vitamin B6 | Brain development and immunity | Anemia | Bananas, Potatoes |
| Vitamin B9 (Folic Acid) | Formation of red blood cells | Anemia | Green vegetables |
| Vitamin B12 | Healthy nerves and blood cells | Pernicious Anemia | Meat, Dairy products |
| Vitamin C | Strong immunity and wound healing | Scurvy | Citrus fruits, Lemon |
| Vitamin D | Strong bones and teeth | Rickets | Sunlight, Fish oil |
| Vitamin E | Protects body cells | Muscle weakness | Nuts, Seeds |
| Vitamin K | Helps blood clotting | Excessive bleeding | Green leafy vegetables |