Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Hydrolyzed protein is used in the context of injury recovery primarily due to its enhanced digestibility and absorption compared to intact proteins. Hydrolysis breaks protein down into smaller peptides and amino acids, which are more rapidly absorbed and utilized by the body. Scientific studies, especially in the sports nutrition and clinical nutrition fields, indicate that protein supplementation, in general, supports muscle repair and recovery—processes that are critical following injuries such as muscle strains, ligament tears, or surgery. Some research specifically shows that hydrolyzed proteins may be absorbed faster than non-hydrolyzed forms, potentially accelerating the delivery of essential amino acids to injured tissues (Koopman et al., 2009). However, while there is evidence that hydrolyzed protein can support muscle protein synthesis and general recovery, direct evidence for its superior effect on injury healing compared to other protein forms is limited. Most clinical protocols for injury recovery recommend adequate protein intake, but do not specifically require hydrolyzed protein. As such, while the use of hydrolyzed protein is scientifically plausible and supported by some evidence for muscle recovery, its specific advantage for injury healing is not robustly established, warranting a moderate evidence rating.

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