Phenibut from Amazon? It’s a thing of the past. Amazon used to allow other third-party vendors to sell Phenibut on, but it’s since been banned. This change reflects an increasingly stringent regulatory environment for nutraceuticals in the United States.

Phenibut gets a lot of flack in the nootropics community. It’s tagged as “high risk” on r/nootropics. But this label has justification. Phenibut is a central nervous system depressant with benzodiazepine-like effects. Another reason for Phenibut’s stigmatization is its association with dependence and withdrawal.

Unfortunately, GNC Phenibut is no longer available in stores (or on the GNC website). But high-quality Phenibut, in powder and capsule form, is widely available on the internet.

Neurons are highly metabolically active and rely on mitochondrial aerobic metabolism to carry out complex functions.

Noopept (N-phenylacetyl-L-prolylglycine ethyl ester) is a synthetic nootropic drug which has become increasingly popular in the last five years. Noopept was originally synthesized in 1996 based on Piracetam and the endogenous neuropeptide cyclopropylglycine.

Dietary choices play a role in one’s susceptibility to cognitive decline and dementia later in life. During the natural course of aging, cognitive reserve (the brain’s ability to recover from a neurological insult, like a concussion or drug overdose) is gradually depleted.