FOXO4-DRI — The Senolytic Peptide
FOXO4-DRI is one of the boldest ideas in aging research: a “senolytic” — a molecule studied for clearing out senescent cells, the worn-out “zombie” cells that build up with age and refuse to die. Its clever D-retro-inverso design makes it stable enough to do the job in research. Every batch is independently third-party tested for purity and ships with its own certificate of analysis.
Why source FOXO4-DRI from Aeternum Life
Every FOXO4-DRI batch is verified by an independent laboratory.
HPLC-tested identity and purity on every FOXO4-DRI lot.
Sourced and handled to strict, defined specifications.
Discreet, tracked delivery.
What is FOXO4-DRI?
FOXO4-DRI is a synthetic “senolytic” peptide built with a D-retro-inverso (DRI) design — a mirror-image construction that makes it far more stable. It’s engineered to interfere with a protein interaction (FOXO4 and p53) that keeps senescent cells alive.
Senescent cells — sometimes called “zombie cells” — stop dividing but don’t die, and they accumulate with age. FOXO4-DRI is one of the most studied tools in senolytic research, aimed at clearing them, and it’s typically studied in short pulse cycles. Aeternum Life supplies it as ultra-high-purity research material with a batch-specific Certificate of Analysis on every order.
The design of FOXO4-DRI is unusually literal. In senescent cells, FOXO4 binds p53 and holds it in the nucleus, blocking the apoptotic signal that would normally clear a damaged cell. FOXO4-DRI is a copy of the binding region built to compete for that interaction and release p53. The “DRI” is the engineering: a D-retro-inverso peptide reverses the sequence and uses D-amino acids, so the side chains still present in the same spatial arrangement while proteases — which recognise L-amino acids — no longer cleave it. That trick is why the molecule became the reference compound for the senolytic concept.
Research directions
FOXO4-DRI is a flagship of senolytic research. Here’s the focus.
The headline: FOXO4-DRI is studied for selectively clearing worn-out senescent cells.
It targets the FOXO4-p53 interaction that keeps senescent cells from dying.
Senescent-cell buildup is a core driver studied in cellular-aging research.
Clearing senescent cells is a headline strategy in modern longevity science.
It’s typically studied in short, intermittent pulses rather than continuously.
For research purposes only. These materials are not drugs or dietary supplements and are not intended to diagnose, treat, cure or prevent any disease.
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How FOXO4-DRI is tested
- Certificate of Analysis (COA) for every FOXO4-DRI batch
- HPLC purity & identity
- Mass-spectrometry confirmed
- Batch-tested and fully traceable
Every FOXO4-DRI lot is released only after independent verification, so what you receive matches its stated identity and purity.
Handling & Storage
Guidance for handling FOXO4-DRI as a laboratory research material.
Store lyophilized FOXO4-DRI cold and protected from light, sealed and dry until use.
Handle FOXO4-DRI according to standard laboratory practice for research materials.
Each FOXO4-DRI batch ships with a batch-specific COA for identity and purity.
FOXO4-DRI is supplied strictly for laboratory and research use. Not for human or veterinary consumption; no administration or dosing guidance is provided.
Specifications
- Name
- FOXO4-DRI
- Type
- Senolytic peptide (D-retro-inverso)
- Appearance
- White lyophilized powder
- Size
- 10 mg per vial
- Purity
- ≥ 99% (HPLC, see COA)
- Storage
- Store at 2–8°C, protect from light
For research use. Not intended to diagnose, treat, cure or prevent any disease.
Frequently asked questions
What does “D-retro-inverso” mean?
It is a stability technique. The amino-acid sequence is reversed and built from D-amino acids instead of the natural L form. The two inversions cancel out geometrically, so the side chains sit where they did in the original peptide, but proteases that only recognise L-amino acids can no longer break it down.
What is FOXO4-DRI studied for?
It’s studied as a senolytic — clearing senescent cells — around the FOXO4/p53 interaction and cellular aging. We share these as research directions, not medical claims.
How is it typically used in research?
FOXO4-DRI is usually studied in short, intermittent pulse cycles. Reconstitution and cycle guides are shared in our Telegram community.
Is FOXO4-DRI for human use?
No. Aeternum Life supplies FOXO4-DRI strictly as a research-grade material for laboratory research. It is not sold for human or veterinary consumption.
Is a COA available for FOXO4-DRI?
Yes — every FOXO4-DRI batch ships with a batch-specific Certificate of Analysis covering identity and purity.
About Aeternum Life
Aeternum Life is a Japan-inspired peptide brand built on purity, transparency and rigorous testing — the same standard behind the FOXO4-DRI on this page. Every product is presented by its composition and backed by batch-specific documentation.
Explore the full Aeternum Life range
FOXO4-DRI is one of more than thirty research-grade materials we supply — each one backed by a batch-specific COA and independent testing.
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