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Nutrients like choline, methionine, inositol and vitamin B12 may contribute to key processes, such as methylation and one-carbon metabolism, that may influence how the body regulates metabolic activity, cellular energy production and fat transport
A clinician in Hanahan can help distinguish between health-focused hormone optimization and unsafe performance enhancement practices that exceed therapeutic intent
This is a preview of subscription content, access via your institution Access options Access Nature and 54 other Nature Portfolio journals Get Nature+, our best-value online-access subscription $32.99 / 30 days cancel any time Subscribe to this journal Receive 12 print issues and online access $189.00 per year only $15.75 per issue Rent or buy this article Prices vary by article type from$1.95 to$39.95 Prices may be subject to local taxes which are calculated during checkout References Zuk, A
When evaluating your choices, keep these three factors in mind: 1