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Low vitamin B12 levels can cause issues such as fatigue, anemia, and lack of focus

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Further, it activates muscle stem cells, promoting tissue regeneration, and reverses insulin resistance in relevant animal models, all with good systemic tolerability 1,2

I have been seeing results with diet and exercise
The recommended daily allowance (RDA) for vitamin B12 for most adults is 2.4 micrograms (mcg)
