According to the traditional theory, obesity is caused by excessive calorie intake and less daily consumption, which will cause fat accumulation. However, other reasons related to obesity have also been found in medicine. For example, when some nutrients are lacking, the body will actively hoard fat, which is also a measure to deal with danger. However, too much fat will also bring adverse effects on health and image. The lack of B vitamins will also produce such a phenomenon, and by comprehensively supplementing all kinds of vitamin B, the body can get comprehensive nutrition, and the excessive accumulation of this fat can also be ended. At the same time, under the action of B vitamins, it can fully mobilize the body's metabolic function and smoothly consume those excess fats. Do B vitamins have the effect of losing weight? If obesity is really caused by unbalanced nutrition, it does have a certain effect. Moreover, supplementing B vitamins is very simple. In addition to buying medicine directly, you can also eat more coarse grains and animal liver, which is very beneficial to supplement vitamins.