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Tag: Hypercobalaminemia

Explore our medication guides and pharmacology articles within this category.

Are there any negative effects of taking B12?

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3 min read
In the U.S. and U.K., vitamin B12 deficiency affects nearly 20% of adults over 60. While supplementation is common, it's crucial to ask: are there any negative effects of taking B12, especially in high doses?

Is There a Side Effect of Too Much B12? A Comprehensive Look

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3 min read
Vitamin B12 deficiency affects between 1.5% and 15% of the general population [1.8.2]. This leads many to supplement, but is there a side effect of too much B12? For healthy individuals, vitamin B12 is considered safe even at high doses, with a low potential for toxicity [1.5.4].