“The Knowledge Library”

Knowledge for All, without Barriers…

An Initiative by: Kausik Chakraborty.

“The Knowledge Library”

Knowledge for All, without Barriers……….
An Initiative by: Kausik Chakraborty.

The Knowledge Library


Vitamins are organic compounds that are essential for various physiological functions in the body. They are micronutrients that play crucial roles in metabolism, growth, development, and overall health. While the body requires only small amounts of vitamins, they are essential for maintaining optimal health and preventing deficiency-related diseases.

There are 13 essential vitamins, each with its own specific functions and dietary sources:

1. **Vitamin A**: Important for vision, immune function, and skin health. Found in foods such as carrots, sweet potatoes, spinach, and liver.

2. **Vitamin B1 (Thiamine)**: Helps convert carbohydrates into energy and supports nerve function. Found in foods like whole grains, pork, nuts, and seeds.

3. **Vitamin B2 (Riboflavin)**: Plays a role in energy production and antioxidant defense. Found in dairy products, leafy greens, eggs, and lean meats.

4. **Vitamin B3 (Niacin)**: Essential for energy metabolism and DNA repair. Found in foods like poultry, fish, peanuts, and whole grains.

5. **Vitamin B5 (Pantothenic acid)**: Involved in the synthesis of hormones and cholesterol. Found in a wide variety of foods, including meats, dairy products, and whole grains.

6. **Vitamin B6 (Pyridoxine)**: Important for brain development, immune function, and metabolism. Found in foods such as poultry, fish, bananas, and potatoes.

7. **Vitamin B7 (Biotin)**: Plays a role in energy metabolism and supports healthy hair, skin, and nails. Found in foods like eggs, nuts, seeds, and sweet potatoes.

8. **Vitamin B9 (Folate)**: Essential for cell division and DNA synthesis. Important during pregnancy for fetal development. Found in leafy greens, legumes, citrus fruits, and fortified grains.

9. **Vitamin B12 (Cobalamin)**: Necessary for nerve function, red blood cell production, and DNA synthesis. Found primarily in animal products like meat, fish, dairy, and eggs.

10. **Vitamin C (Ascorbic acid)**: Acts as an antioxidant, supports immune function, and helps with collagen synthesis. Found in citrus fruits, strawberries, bell peppers, and broccoli.

11. **Vitamin D**: Essential for calcium absorption, bone health, and immune function. Synthesized by the body when the skin is exposed to sunlight and found in fortified foods like milk, fatty fish, and egg yolks.

12. **Vitamin E**: Acts as an antioxidant, protects cell membranes, and supports immune function. Found in nuts, seeds, vegetable oils, and leafy greens.

13. **Vitamin K**: Important for blood clotting and bone health. Found in leafy greens, broccoli, Brussels sprouts, and vegetable oils.

A varied and balanced diet that includes a wide range of fruits, vegetables, whole grains, lean proteins, and dairy products is the best way to ensure an adequate intake of vitamins. In some cases, dietary supplements may be recommended to address specific deficiencies or health conditions.

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