Vitamin 21, known generically as multivitamin tablets, is used for the prevention of various diseases caused by vitamin and trace element deficiencies, but it is not intended for men, and there are no “special” effects for men. Multivitamin Tablets are vitamin and mineral medicines used for the prevention of diseases caused by vitamin and trace element deficiencies, such as malnutrition, metabolic disorders, hepatic and renal insufficiency, hyperthyroidism, anemia, loss of appetite, polyneuritis, athlete’s foot, xerostomia, laryngitis, and mouth ulcers. Multivitamin Tablets are also suitable for nutritional supplementation in high temperature, high humidity, cold, low sunlight environment work, heavy operation, strenuous exercise and intense mental labor. Multivitamin Tablets can also be used for mange, dermatitis, eczema, keratitis, night blindness, vision loss and dry eyes. Against scurvy, alveolitis, alveolar bleeding, gingivitis, dentin cell atrophy and degeneration. Multivitamin Elemental Tablets need to be taken in the prescribed dosage. It is contraindicated in patients with chronic renal failure, hypercalcemia, hyperphosphatemia with renal rickets. There is no cause for concern that the color of urine may become yellow after taking this product. Multivitamin Elemental Tablets are not recommended for long-term use by men without need. It is recommended to use it under medical supervision to avoid side effects.