Synopsis

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

Fish peptides, which are short chains of amino acids derived from the enzymatic hydrolysis of fish proteins, are increasingly studied for their potential benefits in supporting the muscular system. Scientific evidence suggests that fish peptides can be effective in promoting muscle repair and growth, primarily due to their high bioavailability and rich content of essential amino acids, including branched-chain amino acids (BCAAs) necessary for muscle protein synthesis.

Several animal and human studies have demonstrated that supplementation with fish-derived protein hydrolysates or peptides may enhance muscle recovery after exercise, reduce muscle fatigue, and improve muscle mass in certain populations. For example, research published in Food & Function (2015) showed that fish protein hydrolysates improved muscle function in elderly subjects. Additionally, fish peptides possess antioxidant and anti-inflammatory properties, which can further aid in reducing exercise-induced muscle damage and supporting overall muscle health.

However, while preliminary findings are promising, the number of large-scale, high-quality clinical trials in diverse populations remains limited. Most evidence comes from small clinical trials or animal models. As a result, while there is scientific rationale and moderate evidence supporting fish peptides for muscle health, more robust clinical research is needed to fully validate their efficacy and determine optimal dosing and long-term safety.

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