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However, not everyone absorbs vitamin B12 efficiently
This 6 month study in 54 individuals showed that supplementing with GSH boosted levels, reduced oxidative stress, and improved immune function
[1] [6] In healthy adults, vitamin B 12 deficiency is not common, mainly because body stores of the vitamin are substantial and turnover is slow, with relatively low dietary requirements
A vitamin B12 injection is a medical treatment used to increase or restore levels of vitamin B12 in the body
How cobalamin may directly regulate the nitric oxide synthases
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