Calcium and vitamin D work together to support bones, but more is not always better. Learn daily needs, food sources, supplements, safety and osteoporosis guidance.
Vitamin D is unusual: it comes from food and supplements, but the body can also produce it when skin receives suitable ultraviolet radiation. That biology has helped turn a genuin…
Vitamin D is unusual: it comes from food and supplements, but the body can also produce it when skin receives suitable ultraviolet radiation. That biology has helped turn a genuin…
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