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Pulsatile intravenous growth hormone (GH) infusion to hypophysectomized rats increases insulin-like growth factor-I messenger ribonucleic acid in skeletal tissues more effectively than continuous GH infusion

Collagen peptides, when ingested, are broken down into smaller fragments that serve as both building blocks for new collagen synthesis and as signaling molecules that stimulate fibroblasts to produce more collagen

Glutathione Recycler K57 utilizes amino acids and standardized herbal extracts traditionally used for antioxidant and mitochondrial support

Hows your hydration, hows your sleep? If all those things are on point, it could be age or the type of training youre doing. For tendons, platelet-rich-plasma therapy, in which your platelets are concentrated and injected to promote healing, is pricey but proven

Sep 2012;53(9):615-619