Tag: B12 supplements

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?

Approximately 6% of adults under age 60 in the United States have a vitamin B12 deficiency [1.9.4]. If you're supplementing, you might wonder, can you take two B12 at the same time safely? Generally, yes, but understanding the details is key.