PEPTIDE INFORMATION / 17 TOPICS
Research, translated into everyday language.
The reference list comes from the original PJ Peptides price sheet. Prices and sales language are intentionally excluded: this library explains the science, the evidence level and the important limits.
A prescription or regulated form exists; evidence does not transfer to unidentified material.
Human trials may be underway, but the compound or use is not yet established.
Evidence may mainly come from cells, animals or small formulation-specific studies.
RESEARCH INDEX
Metabolic & hormone pathways
Tirzepatide
Tirzepatide activates two signaling systems called GIP and GLP-1. Researchers have studied how those signals relate to blood-sugar regulation, appetite and body-weight measurements.
Extensive human clinical research; regulated prescription formulations existRead the plain-English guide →GIP, GLP-1 and glucagon pathwaysRetatrutide
Retatrutide activates three signaling systems: GIP, GLP-1 and glucagon. Researchers are measuring metabolic, blood-sugar, body-weight and other endpoints in controlled trials.
Investigational; human clinical trials are ongoingRead the plain-English guide →Growth-hormone-releasing hormone pathwayTesamorelin
Tesamorelin is related to a natural signal that prompts the pituitary gland to release growth hormone. Studies measure GH and IGF-1 signaling, body composition and defined endpoints.
Human clinical research and a regulated prescription formulation existRead the plain-English guide →Amylin pathwayCagrilintide
Cagrilintide is a long-acting analog of amylin, a hormone involved in signals between the pancreas, digestive system and brain. Researchers study appetite-related, body-weight and metabolic endpoints.
Investigational; clinical trials are ongoingRead the plain-English guide →Reproductive neuroendocrine signalingKisspeptin
Kisspeptin is a signaling peptide made by the body. It helps regulate communication between the brain and the reproductive hormone system.
Human and laboratory research exists for defined questionsRead the plain-English guide →RESEARCH INDEX
Cellular, skin & cosmetic research
GHK-Cu
GHK-Cu is a small peptide that binds copper. Researchers study its relationship to extracellular-matrix activity, tissue remodeling, skin biology and hair-follicle biology.
Laboratory, animal and limited formulation-specific human researchRead the plain-English guide →Mitochondrial signalingMOTS-C
MOTS-C is a peptide produced from genetic information inside mitochondria. Researchers study how it participates in cellular stress and metabolic signaling.
Primarily cellular and animal research; limited human informationRead the plain-English guide →Copper-peptide researchAHK-Cu
AHK-Cu is a copper-binding peptide complex. Researchers have examined it in cell cultures and isolated hair-follicle models.
Limited laboratory and isolated-tissue researchRead the plain-English guide →Synthetic cosmetic peptideSnap-8
Snap-8 is a synthetic eight-amino-acid peptide studied in laboratory and cosmetic-formulation research involving mechanisms associated with expression lines.
Limited, formulation-specific cosmetic researchRead the plain-English guide →RESEARCH INDEX
Melanocortin research
Melanotan 1
Melanotan 1 is related to alpha-melanocyte-stimulating hormone. Researchers have examined melanocortin-receptor signaling and pigmentation biology.
Research varies by compound and formulationRead the plain-English guide →Experimental melanocortin signalingMelanotan 2
Melanotan 2 activates several melanocortin receptors. Researchers have examined pigmentation, receptor signaling and nervous-system responses.
Experimental; human safety evidence is limitedRead the plain-English guide →Melanocortin signalingPT-141 / Bremelanotide
PT-141, also called bremelanotide, activates melanocortin receptors. Researchers study how those receptors participate in neuroendocrine and sexual-response pathways.
Human research exists for a regulated formulationRead the plain-English guide →RESEARCH INDEX
Blends, nutrients & related compounds
Glow Elite
Glow Elite is a name used for a blend rather than one defined peptide. A useful scientific review requires the verified identity, amount and purity of every component.
No independent conclusion without a verified complete formulaRead the plain-English guide →Multi-ingredient nutrient mixtureLipo-C with B-12
Lipo-C is a general name used for mixtures of nutrients. Researchers study individual ingredients in biochemical pathways, but those findings do not prove effects for a finished blend.
Interpretation depends on the verified formulaRead the plain-English guide →Essential nutrientVitamin B-12
Vitamin B-12 is a nutrient the body needs for DNA production, red-blood-cell formation and normal neurological function.
Established biological roles; product-specific quality is separateRead the plain-English guide →Experimental research combinationBPC-157 + TB-500
This name describes a combination of two experimental compounds. BPC-157 research is mostly laboratory or animal based, and FDA reviewers report a lack of human studies for TB-500.
Predominantly preclinical; human safety questions remainRead the plain-English guide →Cellular coenzyme biologyNAD+
NAD+ is a molecule cells use in energy-transfer and oxidation-reduction reactions. Researchers study how cells make, recycle and use NAD+ and its precursors.
Established cellular role; administered-NAD+ research is limitedRead the plain-English guide →