B vitamins and their effects

B vitamins can regulate endocrine and promote gastrointestinal metabolism. B vitamins first regulate endocrine function of human body, such as promoting gastrointestinal metabolism, strengthening absorption and metabolism. Vitamins are involved in all aspects of human growth, development and reproduction. They participate in various metabolic functions. Human nutrients include protein, carbohydrates, fats, vitamins and minerals, vitamin types are also more, the composition is not exactly the same.