Aceglutamide is a psychostimulant, nootropic and antiulcer agent, working as a prodrug to glutamine with improved potency and stability.

N-Acetyl-DL-leucine is a racemic mixture of N-acetylated D and L serine, used in clinical practice for the symptomatic treatment of vestibular patients with acute vertigo and neurovegetative signs of peripheral vestibular origin.

N-Acetylglutamic acid is the first intermediate involved in the biosynthesis of arginine in prokaryotes and simple eukaryotes and a regulator in the process known as the urea cycle that converts toxic ammonia to urea for excretion from the body in vertebrates.

N-Acetyl-L-methionine is an L-methionine derivative that is nutritionally and metabolically equivalent to L-methionine. It is a superior ROS scavenger.

Acetylvaline is an endogenous metabolite.

N-Acetyl-DL-phenylalanine is an antidepressive drug.

Acetyl-L-lysine is an endogenous metabolite.