Understanding What Happens If I Take 5000 Units of Vitamin D
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4 min read
While many adults need a vitamin D supplement, a research letter in *JAMA* noted a 2.8% increase in people taking potentially unsafe amounts, specifically over 4,000 international units (IU) per day. This raises important questions about what happens if I take 5000 units of vitamin D, and whether this intake level is appropriate for individual health needs.
