The present disclosure relates to liquid filled hard capsules comprising hydroxypropyl methyl cellulose, pullulan, or mixtures thereof comprising a liquid fill of an effective amount of beta-hydroxy-beta-methylbutyric acid (HMB free acid) in liquid form and at least on excipient selected from quaternary ammonium salts, amino acids, amino acid derivatives, monosaccharides, disaccharides, and mixtures thereof.