Anti-aging substances

Collagen /ˈkɒlədʒᵻn/ is the main structural protein in the extracellular space in the various connective tissues in animal bodies.

Sirolimus (INN/USAN), also known as rapamycin, is a macrolide compound produced by the bacterium Streptomyces hygroscopicus that is used in medicine to prevent organ transplant rejection and to treat lymphangioleiomyomatosis.

Growth hormone (GH), also known as somatotropin (or as human growth hormone [hGH or HGH] in its human form), is a peptide hormone that stimulates growth, cell reproduction, and cell regeneration in humans and other animals.

Zoledronic acid (INN) or zoledronate is a bisphosphonate drug given intravenously to treat some bone diseases.

Human chorionic gonadotropin (hCG) is a hormone produced by the placenta after implantation.

Carnosine (beta-alanyl-L-histidine) is a dipeptide molecule, made up of the amino acids beta-alanine and histidine.

Nicotinamide adenine dinucleotide (NAD) is a coenzyme found in all living cells.

Mitogen-activated protein kinases (MAPK) are protein kinases that are specific to the amino acids serine, threonine, and tyrosine.

Lipoic acid (LA), also known as α-lipoic acid and alpha lipoic acid (ALA) and thioctic acid is an organosulfur compound derived from octanoic acid.

Telomerase, also called terminal transferase, is a ribonucleoprotein that adds a species-dependent telomere repeat sequence to the 3' end of telomeres.

AUTEN-67 is an autophagy-enhancing drug candidate that increases autophagic flux in cell lines and in vivo models.

In enzymology, a nicotinamide-nucleotide adenylyltransferase (EC 2.7.7.1) is an enzyme that catalyzes the chemical reaction ATP + nicotinamide ribonucleotide diphosphate + NAD+ Thus, the two substrates of this enzyme are ATP and nicotinamide ribonucleotide, whereas its two products are diphosphate and NAD+.

Acetyl-L-carnitine, ALCAR or ALC, is an acetylated form of L-carnitine.

SRT1720 is an experimental drug that was studied by Sirtris Pharmaceuticals intended as a small-molecule activator of the sirtuin subtype SIRT1.

Ibutamoren (INN) (developmental code names MK-677, MK-0677, L-163,191) is a non-peptidic, potent, long-acting, orally-active, and selective agonist of the ghrelin receptor and a growth hormone secretagogue, mimicking the growth hormone (GH)-stimulating action of the endogenous hormone ghrelin.