Is 125 mcg of Vitamin D3 Too Much for Daily Use?
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4 min read
According to the National Institutes of Health, the tolerable upper intake level (UL) for vitamin D is 100 mcg (4,000 IU) per day for adults. This suggests that a daily dose of 125 mcg of vitamin D3 is indeed higher than the recommended safe limit for most people and could be considered too much for consistent, long-term use without medical supervision.
