Weight Loss & Fat Burning

How Does Vitamin D Help Weight Loss?

About Vitamin D

Vitamin D is often called the sunshine vitamin. Today we will try to help you explain how vitamin D can help with weight loss. First of all, let’s talk about some general facts about Vitamin D. It exists in 2 forms: Vitamin D2 and D3. D3 is more effective and more prevalent. You can get it primarily if you are exposed to sunlight and from sources like fortified dairy products, fatty fish, and some supplements.

How Can Vitamin D Help You Lose Weight?

So, how exactly can this vitamin help you lose weight? One way is by improving insulin sensitivity. Insulin resistance is often seen in conditions like obesity; it can hinder weight loss efforts by boosting fat storage. When insulin sensitivity is improved, it encourages cells to utilize glucose, which can reduce the accumulation of fat.

Another way this vitamin can help you is by reducing food cravings and regulating appetite. Studies have shown that those with lower vitamin D levels are more prone to increased appetite and cravings for unhealthy foods.

Sunlight through which you get vitamin D can also indirectly help you support your weight loss goals because it will ultimately help improve your mood and reduce stress, which are factors that are important for eating behaviors and motivation. Improved mood means higher serotonin and testosterone levels, which can help boost your metabolism.

Here’s a study from 2018 that supports vitamin D alongside a weight loss diet for fat loss.

Vitamin D’s Influence on Fat Mass

A study from 2012 that was published in the Journal of Women’s Health has shown that higher vitamin D levels are associated with lower body fat percentages in younger women. Another research has shown that obese people who took vitamin D through supplements experienced better reduction of body fat compared to those who didn’t.

Certain studies, on the other hand, have shown us quite the opposite. For example, this study from 2021 says that low vitamin D levels are indeed related to obesity, but vitamin D has low effects on boosting weight loss efforts.


There you go folks, as you can see, vitamin D deficiency is linked to obesity. Vitamin D is not important just for weight loss but for your mood and overall health.

Vitamin D can help you in your weight loss journey, there’s no doubt; directly by reducing food cravings and indirectly by improving mood and ultimately increasing serotonin and testosterone levels, which are important for your body’s metabolism. Boosted metabolism results in better satiety and increased calorie burn.


  1. https://examine.com/supplements/vitamin-d/
  2. https://pubmed.ncbi.nlm.nih.gov/30246883/

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