What Happens If Your B1 Is Too High? Side Effects & Risks
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4 min read
The human body is remarkably efficient at managing excess nutrients, particularly water-soluble vitamins like vitamin B1 (thiamine). When taken orally, any amount beyond what the body needs is typically flushed out in the urine, making true toxicity from food or standard supplements exceedingly rare. This article explores **what happens if your B1 is too high**, focusing on potential risks from high-dose supplements and the importance of a balanced approach.