Many people may feel that they obviously don't eat much, but this weight just can't be reduced, and some even keep rising. Is it really the kind of constitution that makes you fat when you drink water? In fact, this is probably because you lack vitamin D. So what is the relationship between vitamin D and obesity?

First, does lack of vitamin D lead to obesity? Vitamin D is a fat-soluble vitamin, which can be obtained through food intake and skin synthesis. Among them, food intake accounts for 10%, and 90% of the vitamin D we need belongs to endogenous vitamin D. The main source is a sterol in human skin, which is transformed by ultraviolet radiation.

Related research shows that the serum D of obese people is significantly lower than that of normal people. After vitamin D supplementation, the fat distribution and body fat mass of obese people are improved, which reduces the harm of visceral fat content to human body to a certain extent and is conducive to weight loss. Because vitamin D has obvious fat solubility and hydrophobicity, it can regulate the synthesis and decomposition of fat cells. In the process of adipocyte synthesis, controlling the differentiation of preadipocytes into mature adipocytes can effectively prevent obesity.

In addition, there is a natural slimming element in our body, called leptin, which is mainly produced by vitamin D. Leptin is a hormone used to control appetite and food intake. Leptin can make people feel full and reduce their desire to eat.

Second, how to judge whether the body lacks vitamin D? 1, which can be found by self-study. If we feel tired every day and often feel pain in joints, muscles and limbs, it may be vitamin D deficiency; If you are particularly prone to inflammation on your birthday or it is not easy to recover after infection, it may also be due to the lack of vitamin D; Especially in winter, I often feel depressed inexplicably, which may be caused by vitamin D deficiency;

2. It can be found by blood test. This is the simplest, most intuitive and accurate test method, which can be checked by the way during the annual physical examination.

If you lack vitamin D, you can get it by taking vitamin D preparations, supplementing related foods, and basking in the sun. However, food contains a little less vitamin D, and animal food contains a little more, but it also contains a lot of fat, while vegetables, grains and their products, and most fruits contain little or no vitamin D. Besides food, cholesterol in the body can also be converted into vitamin D through sun exposure.