I didn't use calcium gluconate, because this calcium content is low, and it is a little troublesome to supplement vitamin D. Children who have been using Jinglandi calcium carbonate D3 granules and granule granules are also easy to swallow. At the same time, it has the golden ratio, the calcium content is as high as 250mg, and vitamin D3 100IU, which promotes the absorption of calcium to the greatest extent and supplements calcium D.