There are many brands of calcium supplementation on the market now, among which Tomson Bianjian and Calcium in Calcium are the most common brands. Tomson Bianjian, this brand was established from 1995 to 10, which has a very good reputation in China and strict product control; The second brand is calcium in calcium, which is a brand of Harbin Pharmaceutical Group. It has a very good calcium supplement effect for children, the elderly or women, and TV advertisements are also very good. The third brand is Jody, which is an American brand. It is a calcium carbonate D3 granule specially designed for 0-3 years old babies, which can effectively supplement children's vitamin D calcium. In addition, there are Jody vitamin D calcium chewable tablets specially designed for adults. Now I have a certain understanding of what brand of calcium tablets are good. In addition to the above brands, there are Nutrilite brand or Sanjing Pharmaceutical, Australian calcium supplement products or Jianliduo brand and so on. Specifically, you can choose the appropriate calcium supplement products according to your actual situation.