Suggestion: These three drugs are vitamin AD supplements. VA and VD of Wade meatballs are imported from Germany (provided by BASF), which are well absorbed, and edible gelatin is used in capsule shell, which is safe. And it is divided into two dosage forms, one under one year old and one over one year old, with accurate dosage, which is suitable for children to supplement VA and D at different growth stages. (Like Vedic meatballs, Yikexin has two specifications and the same dosage; Bertrand has only one specification (VA 1800, VD600).