How long does vitamin D stay in the body?
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4 min read
According to the National Institutes of Health, the major circulating form of vitamin D, called 25(OH)D, has a half-life of approximately 15 days. The answer to how long does vitamin D stay in the body is complex and depends on whether you're referring to the initial, inactive form or the long-lasting stores in your fat tissue. Its longevity is influenced by numerous factors, including supplementation, sun exposure, and individual health.
