What is the difference between Cortagen and Vesugen?

Cortagen: A short synthetic peptide bioregulator (Ala-Glu-Asp-Pro) from the Khavinson 'Cytomax/Cytogen' family, marketed for cartilage and connective-tissue support. Evidence is largely Russian-language and pre... Vesugen: Vesugen is a synthetic tripeptide, Lys-Glu-Asp (KED), from the Khavinson short-peptide 'bioregulator' series, positioned as a short-peptide analog of a bovine vascular-tissue polypeptide complex and c...

Cortagen vs Vesugen

Q: Can you stack Cortagen and Vesugen?

Cortagen (recovery) and Vesugen (recovery) are in the same category and may have overlapping mechanisms — researchers should review both profiles carefully before combining. Consult a licensed provider before combining any compounds.

Head-to-head comparison of Cortagen and Vesugen — mechanism, side effects, legal status, and pricing.

Cortagen

A short synthetic peptide bioregulator (Ala-Glu-Asp-Pro) from the Khavinson 'Cytomax/Cytogen' family, marketed for cartilage and connective-tissue support. Evidence is largely Russian-language and preclinical.

Profile Prices Testing

Vesugen

Vesugen is a synthetic tripeptide, Lys-Glu-Asp (KED), from the Khavinson short-peptide 'bioregulator' series, positioned as a short-peptide analog of a bovine vascular-tissue polypeptide complex and claimed to be vasoprotective. Marketed on the Russian/Ukrainian grey market; not FDA-approved in the US; research-use only.

Profile Prices Testing

Cortagen

Vesugen

Where Researchers Are Buying

Live · updated daily

COA-verified vendors · trust score ≥70 required · single-vial price — bulk/bundle deals may be lower

Cortagen

Best $/mg

$2.75/mg

PeptidologyB

3 trusted vendors listing

Compare all 3 vendors

Vesugen

Best $/mg

$2.10/mg

Peptide Supply Co.B

4 trusted vendors listing

Compare all 4 vendors

Lab Verification

COA corpus from Disclosed Labs — independently tested batches only.

Cortagen

COAs

99.6%

Avg purity

Labs

Full testing data

Vesugen

COAs

99.6%

Avg purity

Labs

Full testing data

Cortagen Research Summary

Primarily Russian institutional studies; no large independent controlled human trials.

Vesugen Research Summary

Evidence base is single-lab (Khavinson/Linkova and collaborators). Preclinical work includes organotypic neuroimmunoendocrine cultures (Bull Exp Biol Med 2012) and endothelial-cell epigenetics studies (Adv Gerontol 2014). No FDA-registered trials; no Western RCTs in vascular disease.

Key references

Can you stack Cortagen and Vesugen?

Cortagen and Vesugen are both in the Recovery category and may have overlapping mechanisms. Researchers should review both profiles carefully, understand the mechanisms of action, and monitor the relevant biomarkers when combining compounds in the same class. As always, consult a licensed healthcare provider before making any decisions about combining research compounds.

Other comparisons

Cortagen vs Livagen Cardiogen vs Cortagen Livagen vs Vesugen Cardiogen vs Vesugen Cortagen vs Epitalon Cortagen vs SS-31 Cortagen vs NAD+

This platform provides informational tools only, not medical advice. This comparison is for educational purposes only. Consult a licensed provider.