Peptides→Muscle & Growth
Muscle & Growth Peptides
Growth hormone secretagogues, muscle-building peptides, and hormonal optimization compounds
MK-677
Ibutamoren
MK-677 (Ibutamoren) is a potent orally active growth hormone secretagogue and ghrelin receptor agonist that stimulates the pituitary gland to release...
Ghrelin
Ghrelin
Ghrelin is a 28-amino-acid peptide hormone produced primarily in the stomach that functions as the body's primary hunger signal and a potent GH secret...
Carnosine
Beta-Alanyl-L-Histidine
Carnosine is a naturally occurring dipeptide found in high concentrations in skeletal muscle and brain tissue that functions as an antioxidant pH buff...
IGF-1
Insulin-like Growth Factor 1
Insulin-like Growth Factor 1 (IGF-1) is a naturally occurring 70-amino-acid peptide hormone produced primarily in the liver in response to growth horm...
Testosterone
Testosterone
Testosterone is the primary male sex hormone and an anabolic steroid naturally produced in the testes in men and in smaller amounts in the ovaries and...
Beta-Alanine
Beta-Alanine (3-Aminopropionic Acid)
Beta-alanine is a non-essential amino acid and the rate-limiting precursor to carnosine synthesis in skeletal muscle. Supplementation with beta-alanin...
GDF-11
Growth Differentiation Factor 11
GDF-11 (Growth Differentiation Factor 11) is a TGF-beta superfamily member that generated enormous scientific excitement following 2013-2014 research...
Kisspeptin
Kisspeptin-10 (Metastin 45-54)
Kisspeptin-10 is the shortest bioactive fragment of the kisspeptin family — a 10-amino-acid peptide that retains the full receptor-activating potency...
CJC-1295 No DAC
Modified GRF 1-29
CJC-1295 No DAC (also called Modified GRF 1-29 or Mod GRF 1-29) is a modified version of the first 29 amino acids of GHRH without the Drug Affinity Co...
GHRP-2
Growth Hormone Releasing Peptide-2
GHRP-2 is considered one of the most potent growth hormone releasing peptides available. It stimulates GH release more effectively than GHRP-6 with le...
Tesamorelin
Tesamorelin Acetate
Tesamorelin is a synthetic GHRH analog that is FDA-approved for the treatment of HIV-associated lipodystrophy. It is the only GHRH peptide with full F...
GHRP-6
Growth Hormone Releasing Peptide-6
GHRP-6 is a synthetic hexapeptide that stimulates natural growth hormone release from the pituitary gland. It is known for its strong appetite-stimula...
Urolithin A
Urolithin A (3,8-Dihydroxy-6H-dibenzo[b,d]pyran-6-one)
Urolithin A is a gut-microbiome-derived metabolite produced from ellagitannins found in pomegranate berries and walnuts. It is the most studied urolit...
Follistatin
Follistatin-288
Follistatin is a naturally occurring glycoprotein that functions as a potent inhibitor of myostatin and activin — two members of the TGF-beta superfam...
Sermorelin
Sermorelin Acetate (GRF 1-29 NH2)
Sermorelin is a truncated analog of natural GHRH containing the first 29 amino acids, which is the minimum fragment needed for full biological activit...
IGF-1 LR3
Insulin-like Growth Factor 1 Long R3
IGF-1 LR3 is a modified version of IGF-1 with 83 amino acids (vs. 70 in native IGF-1) and an arginine substitution at position 3. These modifications...
MGF
Mechano Growth Factor (IGF-1Ec)
MGF is a splice variant of IGF-1 that is expressed locally in damaged muscle tissue following mechanical stimulation (exercise or injury). It activate...
Follistatin 344
Follistatin 344
Follistatin 344 is a naturally occurring glycoprotein that acts as an antagonist to myostatin, the protein that limits muscle growth. By neutralizing...
Myostatin Inhibitor Peptide
GDF-8 Propeptide Fragment
Myostatin inhibitor peptides are synthetic fragments derived from the myostatin propeptide — the natural endogenous inhibitor that is cleaved from myo...
Hexarelin
Examorelin
Hexarelin is a synthetic hexapeptide and one of the most potent growth hormone releasing peptides (GHRPs) developed. It is a ghrelin receptor agonist...
Ipamorelin
Ipamorelin Acetate
Ipamorelin is one of the most selective growth hormone secretagogues available. Unlike other GH-releasing peptides, it stimulates GH release without s...
CJC-1295
CJC-1295 with Drug Affinity Complex (DAC)
CJC-1295 is a synthetic analog of growth hormone-releasing hormone (GHRH) that stimulates pituitary growth hormone release. The DAC modification exten...
Ipamorelin + CJC-1295
Ipamorelin Acetate + Modified GRF 1-29
The Ipamorelin and CJC-1295 combination is one of the most widely used GH-stimulating peptide protocols in the research and wellness community. Ipamor...