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Track your progress through objective measures like energy levels, sleep quality, workout performance, and body composition rather than relying solely on how you feel day-to-day

A large share of the primary papers originate from the St

And while no major risks have been documented in these studies, some researchers worry about the potential tumor-growth concern mentioned earlier

Laboratory markers Blood tests that quantify deficiency, such as low serum B12 or anemia, often improve over weeks to months
