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PMC 3875920
A dose of 100 mcg daily for 6 or 7 days should be administered by intramuscular or deep subcutaneous injection
Even the diets of meat eaters can fail to deliver all the B12 the body needs for optimal health
They provide detailed product information with its purity levels and suggested usage
Nicotinamide N-methyltransferase regulates hepatic nutrient metabolism through Sirt1 protein stabilization (in Eng)
B12 is generally safe when used under medical supervision
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