vitamin b12 injection subq or im Methylcobalamin (Vitamin B12) B12 Injections at Home -

Studies treating mild to moderate B12 deficiency in older people have failed to provide cognitive benefits: A clinical trial from the Netherlands measured the cognitive response to B12 supplements in people 70 years old with mild B12 deficiency and MMA levels 320 nmol/l (average: ~450 nmol/l)

Drug interactions with methyl-donor-sensitive medications are theoretical, not confirmed

During the meeting, FDA staff scientists highlighted a general lack of quality data supporting safety and effectiveness

Those following vegetarian or vegan diets may have lower dietary intake of B12

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