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Optical density (OD) was recorded at 450 nm using a microplate reader, and CCL7 concentrations were determined by interpolating absorbance values against a standard curve

It's the standard diluent for most lyophilized compounds and supports multiple draws from the same vial

GHK-Cu is particularly relevant for this population because of its documented ability to remodel UV-damaged collagen and activate the skin's antioxidant defenses against ongoing solar damage

Milk thistle helps support the liver, and B vitamins may aid metabolism and energy

Anti-inflammatory effects reduce swelling and pain, which supports faster functional recovery after strain or trauma