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A meta-analysis of randomized controlled trials found they can improve tendon structure, strength, and post-exercise recovery when combined with resistance training, though the quality of evidence remains moderate. Innovation is exciting, but recommending injectable, unregulated peptides to patients, without clinical validation should give us pause

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This checks whether the preservative is present at an appropriate level, with around 0.9% expected

V., Labhsetwar, S., & LeQuang, J

Nature Reviews Drug Discovery, 16 , 718-735