How about the calcium-containing multivitamin chewable tablets in Yangshengtang, ok?
Calcium is called "the cornerstone of life" and plays an important role in children's bone development, brain development, tooth development and prevention of lead poisoning. 0-6 months: 300 mg/day 6- 12 months: 400 mg/day 1-3 years old: 600 mg/day 4- 10 years old: 800 mg/day1-.