Glutathione is a naturally occurring antioxidant made of three amino acids cysteine, glycine, and glutamic acid produced primarily in the liver it plays a central role in neutralizing free radicals, supporting detoxification, and regulating melanin production in the skin when administered as an injection, glutathione is delivered directly into the bloodstream, bypassing the slower digestive breakdown that limits oral supplements this allows it to act faster and more effectively shifting melanin production toward a lighter pigment (pheomelanin) instead of the darker eumelanin, which gradually brightens and evens out skin tone

Dairy-Free Probiotics (37mg) There are five strains of probiotics in AG1 Next Gen: Lactobacillus rhamnosus Lactobacillus acidophilus Bifidobacterium lactis Lactobacillus casei Lactobacillus plantarum These probiotics are widely used to support a healthy gut microbiome, and 10 billion CFU is an impressive amount for a single serving (though at the maximum recommended dose per serving)
Cancer Chemother Pharmacol 77(6):11031124
A 2017 study (PMID: 28386432, same compilation paper) documented that GHK-Cu at nanomolar concentrations protected rat hippocampal neurons from amyloid-beta toxicity, the protein aggregate implicated in Alzheimers pathology
Subcutaneous B12 injections are a better choice when possible, and the front of the thigh is also best for this method
They are found all around us, such as in body products, carpet, furniture (fire retardants), household cleaners, lawn care products, and elsewhere