puritan's pride l glutathione L-Lysine 500 mg, 100 Caplets (3060) Puritan's Pride L-glutathione 500 Mg-30
Description
Available online: 20

After constitution with appropriate labgrade diluent, refrigerate the solution
It may help if pigmentation-related, but results vary

"Small molecule nicotinamide N-methyltransferase inhibitor activates senescent muscle stem cells and improves regenerative capacity of aged skeletal muscle." Biochemical Pharmacology
