Vitamins B1 and B2 can help with weight loss. People who want to lose weight can eat foods rich in vitamin B1 and B2 ingredients in moderation, but they should not take vitamin B1 and B2 drugs for a long time and should not take them on their own.1. Vitamin B1: It can help convert glucose into energy and promote the consumption and utilization of liver glycogen, thus reducing the production of fat and playing a role in assisting weight loss. When vitamin B1 deficiency, it is easy to make the body glucose levels rise, resulting in energy buildup. The main sources of vitamin B1 are brown rice, milk, various beans, wheat germ, citrus and other foods, so you can eat foods rich in vitamin B1 in moderation when losing weight, but it is not recommended to take vitamin B1 drugs for long-term weight loss. Because long-term use of vitamin B1 can also cause some harm to the body, such as fatigue, irritability, skin flushing, poor appetite, etc.; 2. Vitamin B2: can assist in the consumption of fat and play a role in assisting weight loss. When the body vitamin B2 deficiency, easy to hoard fat, thus leading to obesity. Therefore, you can eat foods rich in vitamin B2 in moderation in daily life to reduce fat hoarding and help lose weight. Vitamin B2 is mainly found in various green leafy vegetables, shiitake mushrooms, eggplant, nori and other foods, which can be consumed by dieters. However, it is not advisable to take vitamin B2 medication for long-term weight loss, because long-term use of vitamin B2 can easily cause itching, burning, numbness, tingling and other symptoms to occur, and may even induce hyperthyroidism. Vitamin B1 and B2 are water-soluble vitamins, which are mainly excreted through the kidneys. If taken for a long time for weight loss, they may increase the burden on the kidneys. The healthier way to lose weight is regular exercise plus diet control, such as in daily life through jumping rope, swimming, running and other aerobic exercise to consume excess fat, while avoiding foods with high fat content, such as fatty meat, fried products, animal offal, etc., and increasing the intake of dietary fiber-rich foods to help lose weight.