Supplementation with β-hydroxy-β-methylbutyrate after resistance training in post-acute care patients with sarcopenia: A randomized, double-blind placebo-controlled trial

•The post-acute period after hospitalization is a reasonable timeframe to assess and treat sarcopenia in older adults.•The intervention with calcium forma of β-hydroxy-β-methyl butyrate (Ca-HMB) and resistance exercise promoted "substantial changes" in physical performance.•The women who received Ca-HMB supplementation increased handgrip strength and maintained it at 1-year follow-up.