ascorbic acid glutathione baking and Ascorbic Acid | Vitamin C

Nature 555 , 251255 (2018)

GRAS simply means the FDA agrees that the substance, at intended use levels as a food additive or supplement, is safe based on common use history or expert opinion and does not pose acute toxicity concerns

Enhances Cognitive Function B12 injections support brain health by improving focus, memory, and mental clarity, reducing the risk of cognitive decline

Supplied strictly for research use only , it is not intended for human or veterinary applications

Arch Int Pharmacodyn, 127: 104-117

While this hasnt been strongly replicated in humans, it could play a supporting role in long-term weight maintenance when combined with healthy habits