... Main components]:β-carotene, vitamin B1, vitamin B2, vitamin B6, vitamin B12 vitamin C, folate, iron, zinc, selenium[The main efficacy]:supplementation ... of vitamins (β-carotene, vitamin B1, vitamin B2, vitamin B6, vitamin B12 vitamin C, folic acid) iron, zinc, selenium,[Features]:1, ... . Such as vitamin B1, vitamin B2, vitamin B6, vitamin B12, folic acid, etc., in the maintenance of skin, digestive ...