1) Good solubility, more than 7% at 20℃, more than 20% at 50℃.

2) Appropriate calcium content: 13.0%-14.0%.

3) High absorption rate: As a biological fermentation of organic calcium, the absorption rate is higher than other calcium supplements, is an ideal calcium enhancer.

4) Product specification: 98.0-103.0%

5) Quality standard: CP Chinese Pharmacopoeia, BP, USP, EP