Skip to content

Bioregulators

Short peptides developed at the St Petersburg Institute of Bioregulation and Gerontology, each named for the organ it is said to target. Most of the research comes from that one group.

What bioregulators are and how strong the evidence is: peptide bioregulators explained.

  • Epitalon

    aka Epithalon · Epithalamin · AEDG peptide

    Sold for longevity and anti-aging on the basis of telomere research.

    Animal / lab onlyResearch use only

    GuideDosage chart

  • Pinealon

    aka EDR peptide · Glu-Asp-Arg

    Sold for cognition, focus and healthy aging.

    Limited human dataResearch use only

    GuideDosage chart

  • Cartalax

    aka AED peptide · Ala-Glu-Asp · T-31

    Marketed for cartilage and joint support, sold as a "cartilage bioregulator" for age-related joint wear.

    Animal / lab onlyResearch use only

    Guide

  • Testagen

    aka KEDG peptide · Lys-Glu-Asp-Gly

    Marketed for testosterone and reproductive-system support, sold as a "testes bioregulator."

    Animal / lab onlyResearch use only

    Guide

  • Vilon

    aka KE peptide · Lys-Glu dipeptide

    Marketed as a thymus and immune-system bioregulator, sold for immune support and healthy ageing.

    Animal / lab onlyResearch use only

    Guide

  • Vesugen

    aka KED · KED peptide · Lys-Glu-Asp

    Marketed as a vascular-tissue bioregulator for cardiovascular and blood-vessel aging; more recent papers from the same research group also study it as a candidate for age-related cognitive decline.

    Limited human dataResearch use only

    Guide

  • Cardiogen

    aka AEDR · AEDR peptide · Ala-Glu-Asp-Arg

    Marketed as a heart-tissue bioregulator for cardiovascular aging, from the Khavinson organ-specific peptide programme.

    Animal / lab onlyResearch use only

    Guide

  • Prostamax

    aka KEDP · KEDP peptide · Lys-Glu-Asp-Pro

    Marketed as a prostate-tissue bioregulator for age-related prostate change, from the Khavinson organ-specific peptide programme.

    Animal / lab onlyResearch use only

    Guide

  • Cortagen

    aka AEDP · AEDP peptide · Ala-Glu-Asp-Pro

    Marketed as a brain-cortex bioregulator for cognitive aging, from the Khavinson organ-specific peptide programme. Its sequence was derived by amino-acid analysis of the natural brain-cortex extract preparation Cortexin.

    Animal / lab onlyResearch use only

    Guide

  • Bronchogen

    aka AEDL peptide · Bronchogen tetrapeptide

    Sold for bronchial and lung support, marketed within the Khavinson peptide-bioregulator line for respiratory and healthy-aging use.

    Animal / lab onlyResearch use only

    Guide

  • Chonluten

    aka Chonluten tripeptide

    Marketed for bronchial and respiratory support alongside Bronchogen, within the Khavinson peptide-bioregulator line.

    Animal / lab onlyResearch use only

    Guide

  • Livagen

    aka KEDA peptide · Lys-Glu-Asp-Ala

    Marketed for liver support and healthy aging within the Khavinson peptide-bioregulator line.

    Animal / lab onlyResearch use only

    Guide

  • Ovagen

    aka Ova bioregulator

    Marketed for ovarian and reproductive-system support and healthy aging, within the Khavinson peptide-bioregulator line.

    No meaningful evidenceResearch use only

    Guide

  • Crystagen

    aka Immune bioregulator tripeptide

    Marketed for immune-system support and healthy aging, within the Khavinson peptide-bioregulator line.

    Animal / lab onlyResearch use only

    Guide

  • Pancragen

    aka Lys-Glu-Asp-Trp-NH2 · KEDW peptide

    Marketed for pancreatic and metabolic support and healthy aging, within the Khavinson peptide-bioregulator line.

    Limited human dataResearch use only

    Guide

Side by side

Doses for unapproved compounds are common practice, not trial-established.

CompoundMain useEvidenceUsual doseUS status
EpitalonSold for longevity and anti-aging on the basis of telomere research.Animal / lab only5-10 mg, once nightly, every night, for the length of the cycleResearch use only
PinealonSold for cognition, focus and healthy aging.Limited human data1-2 mg, once daily, morning preferred; some protocols run 5 days a week rather than every dayResearch use only
CartalaxMarketed for cartilage and joint support, sold as a "cartilage bioregulator" for age-related joint wear.Animal / lab only200 mcg, once dailyResearch use only
TestagenMarketed for testosterone and reproductive-system support, sold as a "testes bioregulator."Animal / lab only10-20 mg, once daily by mouthResearch use only
VilonMarketed as a thymus and immune-system bioregulator, sold for immune support and healthy ageing.Animal / lab only10-20 mg, once daily by mouthResearch use only
VesugenMarketed as a vascular-tissue bioregulator for cardiovascular and blood-vessel aging; more recent papers from the same research group also study it as a candidate for age-related cognitive decline.Limited human data500-5000 mcg, once daily, subcutaneous, commonly started low and titrated upward over the first 1-3 weeksResearch use only
CardiogenMarketed as a heart-tissue bioregulator for cardiovascular aging, from the Khavinson organ-specific peptide programme.Animal / lab only200-2000 mcg, once daily, subcutaneous, most commonly cited around 1 mg/dayResearch use only
ProstamaxMarketed as a prostate-tissue bioregulator for age-related prostate change, from the Khavinson organ-specific peptide programme.Animal / lab only750-2000 mcg, once daily, subcutaneous, often started lower and increased after 1-4 weeksResearch use only
CortagenMarketed as a brain-cortex bioregulator for cognitive aging, from the Khavinson organ-specific peptide programme. Its sequence was derived by amino-acid analysis of the natural brain-cortex extract preparation Cortexin.Animal / lab only200-10000 mcg, once daily, subcutaneous, ideally in the morning; sources give very different amounts depending on intended useResearch use only
BronchogenSold for bronchial and lung support, marketed within the Khavinson peptide-bioregulator line for respiratory and healthy-aging use.Animal / lab only1-2 mg, once daily, consistent time of dayResearch use only
ChonlutenMarketed for bronchial and respiratory support alongside Bronchogen, within the Khavinson peptide-bioregulator line.Animal / lab onlyNo consistent protocolResearch use only
LivagenMarketed for liver support and healthy aging within the Khavinson peptide-bioregulator line.Animal / lab onlyNo consistent protocolResearch use only
OvagenMarketed for ovarian and reproductive-system support and healthy aging, within the Khavinson peptide-bioregulator line.No meaningful evidence10-20 mg, 1-2 capsules (10 mg each), taken once or twice daily before mealsResearch use only
CrystagenMarketed for immune-system support and healthy aging, within the Khavinson peptide-bioregulator line.Animal / lab only200-400 mcg, once daily during an initial course; some protocols move to every-other-day dosing for a longer maintenance phaseResearch use only
PancragenMarketed for pancreatic and metabolic support and healthy aging, within the Khavinson peptide-bioregulator line.Limited human data10-20 mg, 1-2 capsules (10 mg each), once or twice daily before mealsResearch use only