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Body Weight Can Severely Impact Vitamin D Absorption

As our bodies age, they become less efficient at absorbing many of the nutrients we need to stay healthy. A new study from the Scotland-based Rowett Institute of Nutrition and Health found that weight can play a major role in how well your body absorbs vitamin D.

Importance Of Vitamin D

Vitamin D is essential for everything from keeping bones strong to helping regulate moods. While it’s possible to get enough of this vital nutrient through food sources or taking supplements, some people rely on natural sunlight for their Vitamin D needs. The Rowett Institute study, which was published in April 2020, analyzed data from more than 8,000 participants and focused on the impact that weight had on their vitamin D absorption levels.

Lukas/Pexels | The study was conducted back in April of 2020 at The Rowett Institute

The Research

The research revealed that people with a higher BMI (Body Mass Index) were significantly less able to absorb Vitamin D, regardless of how much sunlight they were exposed to. This suggests that something about being overweight could interfere with the body’s ability to process the vitamin efficiently.

The researchers theorized that fat cells might be trapping Vitamin D before it can be absorbed into the bloodstream, reducing how much would otherwise be available for use in the body. This finding is particularly significant given the current global obesity epidemic. It means that many people who are overweight aren’t getting enough of this vital nutrient even if they are getting plenty of sun exposure or taking supplements regularly.

cottonbro studio/Pexels | talk to your doctor about ways for you to increase your intake of this crucial nutrient

Without adequate Vitamin D levels, these individuals may experience issues like weak bones or depression and even an increased risk for certain types of cancers. Those who are overweight should talk to their doctor or nutritionist about ways to increase their absorption of Vitamin D naturally, as well as whether a supplement might be helpful in reaching healthy levels faster and more reliably.

Ways to boost natural absorption include eating foods high in vitamin D, such as fatty fish or egg yolks, and spending time outdoors during peak sunlight hours. Hence, you get direct exposure without sunscreen blocking any ultraviolet rays, which helps facilitate absorption. Weight loss can also help improve the body’s ability to effectively absorb Vitamin D, so working toward healthier habits is recommended too.

Julian Jagtenberg/Pexels | you can boost natural absorption by eating foods that are high in vitamin D, such as egg yolks or fatty fish


Overall, this research shows that body weight can significantly impact how well the human body absorbs Vitamin D. While it is important to maintain a healthy diet and lifestyle in order to prevent vitamin deficiencies, individuals with higher BMIs may need to be more mindful of their diets or consider taking additional supplements in order to ensure they are receiving enough Vitamin D.

Additionally, further studies should investigate the effects of obesity on other vitamins and mineral absorption rates as well as explore potential solutions for obese people who struggle with inadequate nutrient absorption. It is clear from this study that one’s weight has an enormous effect on their overall well-being and nutrition intake.

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