Is 600 mcg of vitamin B12 too much?
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4 min read
The Recommended Dietary Allowance (RDA) for vitamin B12 is only 2.4 mcg for adults, so seeing much larger amounts like 600 mcg on a supplement label can be alarming. This significant difference often leads people to question whether 600 mcg of vitamin B12 is too much and if high doses are safe.
