For example, it may have been tested in an animal model, but not tested in a really rigorous double-blind clinical trial, which takes 10 to 15 years. She estimates that the entire process for bringing a drug from the lab to the market can cost about $2 billion
So far, the FDA has primarily approved treatments for AD that focus on compensating for cholinergic neuron loss using drugs such as inhibitors for acetylcholinesterase (AChE) and butyrylcholinesterase (BChE), including medications like tacrine, donepezil, rivastigmine, and galantamine, as well as the glutamatergic drug memantine, which functions as an N-methyl-D-aspartate (NMDA) receptor antagonist (Albertini et al
Ethyl Ascorbic Acid or EAC for short is an "etherified derivative of ascorbic acid" that consists of vitamin C and an ethyl group bound to the third carbon position
As a powerful antioxidant, glutathione fights these free radicals and reduces the damage they cause
The copper ion can oxidize vitamin C, reducing its effectiveness