Tag: Bright yellow urine

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What are the side effects of taking B2? Understanding Riboflavin

Oct 12, 2025 •

3 min read

Excess riboflavin, a water-soluble vitamin, is naturally excreted in the urine, limiting the severity of side effects. Understanding **what are the side effects of taking B2** is crucial for anyone considering supplementation, though most adverse effects are mild and infrequent.