There are up to a dozen types of vitamin B, collectively known as the B vitamins, commonly known as B1, B2, B5, B6, B9, B12, etc. Vitamin B is a water-soluble vitamin whose main source is yeast, and is an essential nutrient for the human body. The common benefits of taking vitamin B are maintaining neuromuscular function, promoting growth and metabolism, facilitating digestion and absorption, repairing the liver, and preventing the development of diseases, etc. 1, maintaining neuromuscular function: vitamin B can nourish nerves and maintain normal neuromuscular function, which has certain benefits for human organ perception, brain memory, and emotional regulation, etc. Vitamin B3 combined with melatonin tablets can reduce the incidence of insomnia The incidence of vitamin B9 and ginkgo biloba combined can reduce the incidence of dementia, enhance memory; 2, promote growth and development and metabolism: vitamin B can participate in the body’s metabolism and energy exchange, promote the decomposition of fat, protein, sugar, have a positive effect on growth and development. Vitamin B can also help body tissues and organs to use oxygen, maintain normal blood circulation, maintain the skin’s delicate and elastic, can nourish the skin, delay aging, light wrinkles, etc.; 3, promote digestion and absorption: vitamin B can improve appetite, enhance gastrointestinal motility, promote digestion and absorption, but also to a certain extent to relieve nausea, vomiting and other gastrointestinal symptoms; 4, repair the liver: vitamin B Vitamin B2 can promote liver metabolism, repair liver function and prevent the occurrence of alcoholic liver; 5, prevent disease development: vitamin B can reduce the synthesis of cholesterol to a certain extent, and adjust blood pressure drugs can be used together to reduce the incidence of hypertension and reduce the risk of stroke. Vitamin B also has a nourishing effect on nerves, and in combination with glucose-lowering drugs can reduce the infringement of nerve tissue by diabetes, and in combination with uric acid regulating drugs can alleviate the onset of gout. In addition to these benefits, taking B vitamins can also improve anemia, remove toxins from the gastrointestinal tract, treat skin diseases, and protect the heart and blood vessels, but care should be taken to follow medical advice for proper supplementation, and self-administration is not recommended.