how many mcg of b12 in an injection Vitamin Injections: Ideal Dosage & Frequency for Men's Health Best Vitamin B12 Injection Dose

You might need B12 supplements if you have symptoms like fatigue, weakness, or neurological issues

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Additionally, a randomized, double-blind, placebo-controlled trial in 2,588 healthy older adults with mild hyperhomocysteinemia found that daily supplementation with 500 g of vitamin B 12 and 400 g of folic acid for two years reduced blood homocysteine concentrations but had no benefit on depressive symptoms in those with or without depressive symptoms at baseline (110)

People with cobalt allergies might react badly to B12 supplements

In its digestive function, it produces enzymes that are involved in digestion of food