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Loren Pickart, who found that it caused older human liver tissue to produce proteins more characteristic of younger tissue.2 3 This resulted in GHK being originally described, specifically, as a liver cell growth factor

AOD9604 For Lab Research 24.99 Login for member prices AOD-9604 is a C-terminal fragment of human growth hormone (residues 176-191) for laboratory and in vitro research

Ingredient Quantity Cyanocobalamin (Vitamin B12) 1000 mcg/mL Sodium Chloride 0.22% w/v Ammonium Sulfate 0.1% w/v Citric Acid 0.01% w/v Sodium Citrate 0.008% w/v Benzyl Alcohol (Preservative) 1.0% v/v

9 The researchers also noted that sublingual B12 has many practical advantages over injections, which are painful, costly, and require repeated clinic visits

The absorption of this essential vitamin decreases when gastric emptying slows dramatically