The present disclosure describes a composition for promoting muscle health, said composition comprising: (a) phycocyanin hydrolysate and (b) milk hydrolysate, wherein phycocyanin hydrolysate to milk hydrolysate w/w ratio in said composition is in the range of 1:0.25-1:2. The disclosure also describes a method for preparation of said composition. Furthermore, the disclosure describes a method for promoting muscle health.