Saline is used far more broadly in healthcare than bacteriostatic water or sterile water alone beyond reconstitution, it's a common intravenous fluid for hydration and medication delivery, and it's also used as a wound cleanser
The mechanism of action isnt well understood, but its believed it doesnt affect the tendon tissue cells directly, but rather that either works by activating other repair cells that can help tendons or ligaments or making the human growth factor receptor on the repair cells more sensitive (3)
About five minutes total, including intake
Triple-Hormone-Receptor Agonist Retatrutide for Obesity PubMed
Journal of Physiology-Paris, 94(2), 139151
Each vial of aqueous NAD+ Injection comes with a beyond-use date (BUD) printed on the label, which indicates how long the product remains stable and sterile when stored under proper refrigerated conditions