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Use of vitamin B12 in patients with elevated serum homocysteine levels and cardiovascular disease does not reduce the risk of myocardial infarction or stroke, or alter cognitive decline.
Symptoms can include: Muscle weakness or cramping Irregular heartbeat Unusual tiredness

Methylcobalamin (active form of vitamin B12), 500 mcg per 1 ml glass ampoule, 10 ampoules per pack
