21 Gold Vitamins, also known as multivitamin tablets, is mainly used for the prevention and treatment of various diseases caused by vitamin and mineral deficiencies. This drug contains three main types of nutrients, including vitamins, minerals and amino acids, in a relatively scientific ratio. It can supplement nutrient deficiencies caused by different dietary habits, unhealthy lifestyles, or unscientific food preparation and processing for various reasons and age groups with different physiological needs, and can strengthen immunity and physical strength. The formula especially contains amino acids, especially L-lysine, which helps in the absorption of calcium, iron, magnesium and zinc. The other elements in the formula are based on the daily food intake of Chinese people and the reference intake of dietary nutrients for Chinese residents established by the Chinese Nutrition Society, which can meet the actual nutrient needs of Chinese people, and also add vitamin A, vitamin B1, vitamin B2, iron, zinc and other nutrients that Chinese people are prone to deficiency.