Noopept bulk powder authenticity

Comment · Tue, April 19, 2016 · 5 pts

What is this bullshit article? Every major vendor does purity testing on their Noopept. We do. Powder City does. LiftMode does. Star Nootropics does. I've also tested Noopept from at least 15 different vendors, and not o

Comment · Wed, April 20, 2016 · 2 pts

Newstar's noopept is fine. Don't worry. I've tested a few of their products, and everything was good. >would you be able to tell me the specific ethyl ester it contains What do you mean by this? Noopept is Ethyl 1-(phe

Comment · Fri, April 22, 2016 · 1 pts

Noopept metabolizes into 3 main metabolites: phenylacetic acid, prolylglycine, and cyclo-prolylglycine. The ethyl ester end should get cleaved off, leaving some ethanol. It's going to be such minuscule amounts, though.

Comment · Sat, April 23, 2016 · 2 pts

Right, the L-prolylglycine is the ethyl ester. So when Noopept is metabolized, the ethanol is cleaved off, along with the phenylacetic acid on the other end. So you are left with phenylacetic acid, prolylglycine, and som

Comment · Sat, April 30, 2016 · 2 pts

Well L-prolylglycine is kind of a portmanteau. It's the levorotory isomer of the peptide made of proline and glycine. So L-proline and L-glycine are the two amino acids that make it up, thus the name L-prolylglycine. In

Comment · Tue, May 3, 2016 · 1 pts

An ester is just an acid where one of the hydroxyl groups has been replaced by an alkoxy group. That's just a carbon chain bonded to an oxygen. The L-prolylglycine is an amino acid with an open hydroxyl group. So add an

Comment · Mon, May 9, 2016 · 2 pts

Yes, creatine ethyl ester leads to a small amount of ethanol metabolite. That's discussed in the FDA GRAS market notification for creatine ethyl ester.