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older, non-selective agents are available for different routes of administration [i.e., oral (PO), intramuscular (IM), and intravenous (IV)] and continue to be investigated actively (Henter et al., 2017

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Results are expressed as mean SEM

The authors summarize their concern: Though we support the concept of moving toward a more plant-based diet for ethical, environmental, and health considerations, there are some concerns with regards to maintaining muscle health later in life

Women who were pregnant, lactating, or had not adhered to adequate contraception from at least 30 days prior to the study entry and did not plan to for 1 month after the final supplementation were also excluded