The Cell Brief

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Every compound we have covered, newest first.

13 briefs

AllBasicsRecoveryBrainSkin & HairMetabolismLongevityHormones

The Cell BriefMetabolism

GLP-1: The Gut Hormone That Became OzempicYour gut releases a 30-bead peptide after every meal, and an enzyme cuts it up within minutes. Here is how scientists turned it into a medicine that lasts a week.Oct 10, 2026

The Cell BriefLongevity

Humanin: The Peptide Found Inside an Alzheimer's BrainA 24-amino-acid peptide whose recipe hides in the genes of your cell's power plants. Here is what studies in cells, animals and people have found so far.Oct 10, 2026

The Cell BriefHormones

Oxytocin: The 9-Bead Peptide of Birth, Milk and a Dog's GazeA tiny peptide made deep in the brain drives labor and milk let-down. Here is what studies in cells, animals and people have found about it, bonding included.Oct 10, 2026

The Cell BriefBasics

Five Peptides Your Body Makes Every DayInsulin, oxytocin, GLP-1, ghrelin and beta-endorphin are all peptides. Here is where each one is made and what message it carries.Oct 10, 2026

The Cell BriefLongevity

Epitalon: A Tiny Peptide and the Tips of Your ChromosomesA lab-made peptide of just four amino acids, famous for switching on telomerase in human cells in a dish. Here is what cells, animals and people have shown so far.Oct 10, 2026

The Cell BriefSkin & Hair

AHK-Cu: The Copper Peptide One Letter Away From GHK-CuAHK-Cu is GHK-Cu's lab-made cousin, studied for hair. Here is what its one published lab study found, told simply.Oct 10, 2026

The Cell BriefBasics

What Is a Peptide? Letters, Words and BooksAmino acids are letters, peptides are short words and proteins are books. Here is what a peptide is and why it makes such a good messenger.Oct 10, 2026

The Cell BriefHormones

Kisspeptin: The Puberty Switch Named After a ChocolateNamed after a chocolate candy, kisspeptin turned out to be the switch that starts puberty. Then brain scans made it even more interesting.Oct 10, 2026

The Cell BriefMetabolism

MOTS-c: The Tiny Peptide Hidden in Your Cell's Power PlantsA tiny peptide whose recipe hides in the genes of your cell's power plants. Here is what studies in cells, mice and people have found so far.Oct 10, 2026

The Cell BriefRecovery

BPC-157: The Peptide Copied From Human Stomach JuiceA tiny peptide copied from a protein in human stomach juice. Here is what studies in cells, rats and people have found so far.Oct 10, 2026

The Cell BriefBrain

Semax: The Peptide Built From a Piece of a Stress HormoneSemax is a tiny peptide built from a piece of a stress hormone. Here is what scientists have found in cells, animals and people, explained simply.Oct 10, 2026

The Cell BriefSkin & Hair

GHK-Cu: The Copper Peptide Already in Your BloodA tiny peptide holding one bit of copper, found in human blood in 1973. Here is what 50 years of research has found, told simply.Oct 10, 2026

The Cell BriefBrain

Selank: The Peptide Built From a Piece of the Immune SystemSelank is a tiny peptide that began as a piece of an immune protein. Here is what scientists have found about it in cells, animals and people.Oct 10, 2026