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Six trials totaling roughly 900 participants are summarized in Stier et al
The key is finding that sweet spot that works for you and your body
Vaessen N, Heutink P, Janssen JA, Witteman JCM, Testers L, Hofman A, Lamberts SWJ, Oostra BA, Pols HAP, Van Duijn CM
However, tiredness can have many causes, so persistent low energy should be checked properly
Talking with your healthcare provider can help you determine if B12 supplementation is right for you and, if needed, which form of supplementation is best for you
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