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For example, a study published in the Journal of Alternative and Complementary Medicine found that B12 supplements improved endurance and reduced fatigue in athletes
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According to a study published in PubMed Central (National Institutes of Health), intravenous administration of vitamin B12 provides a faster increase in B12 levels compared to oral supplementation, making it a potentially better option for patients with severe deficiency
At a concentration of 30 M, it inhibited more than 70% of adipogenesis and significantly reduced intracellular triglyceride accumulation
