§ 01 Overview
Overview
Khavinson liver-derived tetrapeptide. Activates ribosomal gene transcription and decondenses heterochromatin in senescent lymphocytes.
Khavinson lab. Limited Western replication.
§ 02 Mechanism
Mechanism of action
Livagen (KEDA) is proposed to activate transcription of ribosomal genes and decondense pericentromeric heterochromatin, which may restore expression in senescent lymphocytes and aged intestinal enzymes.
- 01Gene-expression effects in aged lymphocytes
- 02Restoration of intestinal enzyme activity in aged rats
§ 03 Dosing
Dosing protocol
Standard Protocol
- Dose Range
- 5 – 10 mg per course
- Route
- SubQ
- Frequency
- Daily for 10–20 days
§ 04 Evidence
Evidence & research
Khavinson lab. Limited Western replication.
FDA Status
Not FDA-approved.
§ 06 News
In the news
8 articles from the last 12 months · updates hourly
Keda Smart Restarts Hong Kong IPO; First-Half Gross Margin Rises to 24.9% as Customer Concentration Climbs - BigGo Finance
Keda Smart Restarts Hong Kong IPO; First-Half Gross Margin Rises to 24.9% as Customer Concentration Climbs BigGo Finance
FC Betlemi Keda - Transfermarkt
FC Betlemi Keda Transfermarkt
KeDa ZhiNeng (300222.SZ) has resubmitted its application for the issuance and listing of H-shares to the Hong Kong Stock Exchange and published the application materials. - Moomoo
KeDa ZhiNeng (300222.SZ) has resubmitted its application for the issuance and listing of H-shares to the Hong Kong Stock Exchange and published the application materials. Moomoo
Chinese Keda Begins Third Tile Production Line in Kribi, Targets 67% Capacity Increase - Business in Cameroon
Chinese Keda Begins Third Tile Production Line in Kribi, Targets 67% Capacity Increase Business in Cameroon
Bangunan Industri Keda Pekan Napoh, Jitra, Kedah 6000 - Realtor.com
Bangunan Industri Keda Pekan Napoh, Jitra, Kedah 6000 Realtor.com
KEDA provides additional information on state-backed Calumet redevelopment projects - Upper Michigan's Source
KEDA provides additional information on state-backed Calumet redevelopment projects Upper Michigan's Source
Lovin’ Cairo Awards 2026: Meet The Lovin’ Acts of Charity Winner! - lovin.co
Lovin’ Cairo Awards 2026: Meet The Lovin’ Acts of Charity Winner! lovin.co
Pe iol Keda (feat. Polite Mosko) - YouTube
Pe iol Keda (feat. Polite Mosko) YouTube
§ 07 Sourcing
Sourcing & supply
Regulatory status
Authentic supply from international sources
Authentic product originates from specific international manufacturers, most commonly Russian pharmaceutical facilities for Khavinson bioregulators. RUO vendors selling the same name are typically Chinese-synthesized research vials, not the original product.
International · 2
Cosmic Nootropic
The most credible Russian / Khavinson source for US buyers. Sources authentic bioregulators through 'Peptides Company' (ex-NPCRIZ).
Rupharma
12+ year Russian pharmacy reseller. Reviews.io 4.84/5 (81+). Has a genuine US warehouse for common peptides.
Listings are informational, not endorsement. Verify credentials and flags against FDA and PCAB databases before purchasing. Full directory & how to verify →
§ 09 Safety
Safety & side effects
Side effects
- 01Limited data
Contraindications
None specified.
§ 10 Questions
Livagen FAQ
- What is Livagen?
- Khavinson liver-derived tetrapeptide. Activates ribosomal gene transcription and decondenses heterochromatin in senescent lymphocytes. Livagen (KEDA) is proposed to activate transcription of ribosomal genes and decondense pericentromeric heterochromatin, which may restore expression in senescent lymphocytes and aged intestinal enzymes.
- What is Livagen used for?
- Reported uses include gene-expression effects in aged lymphocytes and restoration of intestinal enzyme activity in aged rats. Evidence strength is rated Preclinical — see the evidence section for detail.
- How is Livagen dosed?
- Commonly referenced dosing is 5 – 10 mg per course, typically daily for 10–20 days, administered SubQ. This is educational reference only; consult a licensed clinician before use.
- What are the side effects of Livagen?
- Commonly reported side effects include limited data. This list is not exhaustive.
- Is Livagen legal?
- Authentic product originates from specific international manufacturers, most commonly Russian pharmaceutical facilities for Khavinson bioregulators. RUO vendors selling the same name are typically Chinese-synthesized research vials, not the original product. FDA status: Not FDA-approved..
§ 11 References
Selected references
- 01
Heterochromatin decondensation
PMID: 19526184