

Side-by-side ingredient comparisons
Calcium and vitamin D supplements are available in a wide range of forms including tablets, softgels, gummies, powders, and chews, often using calcium carbonate or calcium citrate as the calcium source and cholecalciferol (vitamin D3) or ergocalciferol (vitamin D2) for vitamin D. Many products also include co-factors like vitamin K2, magnesium, or boron to support calcium utilization and bone health.
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