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How often are vitamin B12 injections recommended for maintaining healthy levels
A 2013 study linked low vitamin B12 and folate levels with an increased risk of age-related macular degeneration ( Although the reduction in risk cant be attributed to vitamin B12 only, it does suggest that getting enough may be important
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The central clinical idea: the liver depends on the methionine cycle and transsulfuration pathway to balance methylation, homocysteine disposal, glutathione production and sulfur metabolism
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