Originally published on, the article discusses the benefits of calcium citrate without D3. This form of calcium is often preferred by those looking to supplement their diet without additional vitamin D. Calcium citrate without D3 is known for its high bioavailability, making it an effective choice for individuals who may have difficulty absorbing other forms of calcium. It is important to consider calcium citrate without D3 when selecting a supplement, especially for those who already obtain sufficient vitamin D from sunlight or dietary sources.