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If you have a high-stress life, high caffeine intake, or high alcohol intake, you may need extra B12
Its much higher than the daily need of 2.4 mcg for adults
levels influence metabolic health, stress response, and tissue regeneration 1,3
This process may explain why some patients respond to methylcobalamin but NOT cyanocobalamin
At typical research doses of 2.5-5 mg per day, a single 50 mg vial will generally last between 10 to 20 days, depending on your daily dosing schedule (once or twice daily)
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