10 Vitamins to Gain Weight


Vitamins are organic compounds or micronutrients that are essential for maintaining the overall health of the human body. Although they are only needed in small amounts, the role they play is crucial as they are involved in key functions such as energy production, immune function, blood clotting, collagen formation, DNA and cell division, eye health, bone health antioxidant protection, and so on. But, above these, vitamins are mainly taken to gain weight.

Top 10 Vitamins to Gain Weight

10 Vitamins to Gain Weight

While vitamins make all the crucial bodily functions smooth, it results in overall health, thereby supporting healthy weight gain.  But only specific vitamins take part in weight gaining process and they are discussed below: 

1. Vitamin B12

Vitamin B12 is a water-soluble B vitamin that plays an important role in bodily functions including energy metabolism, which results in increased energy levels and appetite regulation that leads to reduced food cravings. 

2. Vitamin B6

Vitamin B6 is one of the B vitamins and is also known as pyridoxine. Since they are water-soluble, they cannot be stored in your body for a long time. Hence, a regular intake is necessary for vitamin B6. although it does not encourage weight gain directly, it carries out other processes that lead to eventual weight gain such as metabolism, hormone regulation, protein metabolism, and appetite regulation. 

3. Vitamin B3

it is another B complex vitamin and is also known as niacin. While vitamin  B3 does not promote weight gain by itself, it facilitates other functions such as energy metabolism, hormone regulation, appetite regulation, and healthy digestion to help your body lose a few pounds. 

4. Vitamin B2

Vitamin B2 is also a water-soluble vitamin and is also known by the name riboflavin. While vitamin B2 does not directly cause weight gain, it improves the overall health of a person. Most importantly, it helps convert carbs into energy, thereby promoting healthy weight loss. 

5. Vitamin B1

Vitamin B1, also known as thiamine, is a B vitamin that promotes weight gain by boosting energy metabolism, and healthy digestion, It also supports the nervous system and regulates appetite. 

6. Vitamin A

Vitamin A is a fat-soluble vitamin that is crucial for the smooth functioning of the body. While it does not promote weight loss by itself, it ensures the overall health of the body such as vision, reproduction and embryonic development, cell growth and differentiation, and immune function, making ut equipped to function well without causing any errors. 

7. Vitamin C

Vitamin C is also known as ascorbic acid and it supports weight gain by promoting healthy weight management. Vitamin C is well-known for its antioxidant properties, iron absorption, collagen synthesis capabilities, and its role in improving a person’s immunity. In short, Vitamin C makes you healthy and thereby indirectly leads to weight gain. 

8. Vitamin D

Vitamin D is better known for its role in psychological functions in the body. Unlike other vitamins, Vitamin D can be synthesized within your body or you can acquire it from the sunlight. While the major functions of vitamin D are muscle function, hormone regulation, and calcium absorption, many studies have found that these may lead to weight gain over time. 

9. Vitamin E

Vitamin E is another fat-soluble vitamin that is commonly found in the form of alpha-tocopherol, the most biologically active form of vitamin E. So far, this vitamin is not proven to have any significant role in weight gain, but it promotes weight gain indirectly due to its improved nutrient absorption properties. 

10. Vitamin K

Vitamin K is a class of fat-soluble vitamins that is well-known for its blood-clotting capabilities. But, what makes vitamin K a weight gain promoter is its nutrient absorption properties. This helps your body gain weight over a long period of time. 


Although these vitamins are said to support weight gain, they do not take part in the weight gain process directly. Instead, they promote other bodily functions including energy metabolism, hormone regulation, and appetite regulation to improve the overall health of a person. Hence, these vitamins can be relied on to enhance your physical health and gain a few pounds as well. 

Dr. Jun Ren is a dedicated and experienced registered dietitian and nutritionist who is committed to helping people achieve their health goals through personalized nutrition plans. With a passion for promoting healthy eating habits and preventing chronic diseases, Dr. Ren has been able to assist numerous clients in improving their overall quality of life.

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