Peptide Profiles

What Is Lipo-C? Think of your liver as a shipping warehouse for fat. It receives fatty acids, packages them up, and ships them out to the rest of the body for energy. When this system slows down, fat starts piling up in the warehouse instead of getting delivered — and that’s where things go wrong. […]

What Does L-Carnitine Actually Do? Here’s a simple way to think about L-Carnitine: your cells have tiny power plants called mitochondria that burn fat for energy. But fat molecules can’t walk through the door on their own — they need a shuttle to carry them inside. L-Carnitine is that shuttle. Without it, fat piles up […]

The Biggest Story in Metabolic Research Right Now GLP-1 receptor agonists have gone from a niche area of incretin biology to arguably the most consequential drug target discovery of the last half-century. What started as “gut hormones that help regulate insulin” has exploded into a research landscape spanning metabolic disease, cardiovascular biology, appetite regulation, neurodegeneration, […]

Two Hormones in One Vial Your gonads need two signals to work properly: FSH (follicle-stimulating hormone) and LH (luteinizing hormone). Most research compounds provide one or the other — HCG for LH activity, recombinant FSH for FSH activity. HMG provides both, simultaneously, from a single preparation. Human Menopausal Gonadotropin is extracted from the urine of […]

A frog peptide that’s 40 times more potent than morphine. Contains a “left-handed” amino acid that shouldn’t exist in animal biology. And it was discovered in the skin secretions of a South American tree frog. When Montecucchi et al. characterized dermorphin in 1981, it broke multiple rules of biochemistry at once — and opened entirely […]

The Discovery That Rewrote Reproductive Biology In 2003, two research groups on different continents independently made the same discovery: mutations in a single receptor gene caused complete reproductive failure — no puberty, no fertility, no gonadal function. That receptor was GPR54 (now called KISS1R). Its ligand was a peptide called kisspeptin. Overnight, kisspeptin went from […]

The Pregnancy Hormone That Does Way More Than Pregnancy Human Chorionic Gonadotropin (HCG) is best known as “the pregnancy hormone” — it’s what makes a pregnancy test turn positive. But reducing HCG to a pregnancy marker misses why it’s one of the most versatile research tools in endocrinology. Because HCG activates the same receptor as […]

Same Peptide, Two Radically Different Drugs CJC-1295 with DAC and CJC-1295 without DAC share a name and the same base peptide. That’s about where the similarity ends. The DAC (Drug Affinity Complex) modification changes the half-life by roughly 100-fold — which completely transforms the pharmacological profile. Choosing the wrong one for your experiment is like […]

A Tanning Peptide That Accidentally Became Much More In the late 1980s, researchers at the University of Arizona had a straightforward goal: create a peptide that would stimulate skin pigmentation without requiring UV exposure. A sunless tan in a vial. What they got was Melanotan II — a compound that does trigger tanning, but also […]

Your body produces IGF-1 naturally. It’s one of the most important growth factors in biology — driving cell growth, protein synthesis, and tissue development. But there’s a catch: the moment IGF-1 enters the bloodstream, binding proteins grab onto it. Six different IGF-binding proteins (IGFBPs) sequester most circulating IGF-1, limiting how much actually reaches target tissues […]