Is 500mg of B1 too much? Understanding Thiamine Intake
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3 min read
According to the National Institutes of Health, there is no established tolerable upper intake level for oral thiamine (vitamin B1) due to its water-soluble nature, which means excess is typically excreted in the urine. Yet, the question remains: is 500mg of B1 too much for a general supplement user? The answer depends heavily on the individual's health status and the form of administration.
