The additive effects of exercise and essential amino acid on muscle mass and strength in community-dwelling older Japanese women with muscle mass decline, but not weakness and slowness: a randomized controlled and placebo trial.
Hunkyung KimNarumi KojimaRyo UchidaShinji SomekawaNaohiko InoueHisamine KobayashiYosuke OsukaPublished in: Aging clinical and experimental research (2020)
The combination of exercise and amino acid supplementation had a beneficial effect on low back discomfort. However, additional effects were not observed in primary outcomes including muscle mass and strength in this population.