Is it okay to take 5000 mcg of B12 a day?: Understanding High-Dose Vitamin Supplementation
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4 min read
The Recommended Dietary Allowance (RDA) for Vitamin B12 is just 2.4 mcg for healthy adults, which can make a 5000 mcg supplement dose seem alarmingly high. So, **is it okay to take 5000 mcg of B12 a day**, or is this level of supplementation excessive and potentially harmful? This article explains how your body processes high doses of this essential nutrient and clarifies when high-dose supplementation might be warranted.
