In plain English
As we age, some cells stop dividing but refuse to die. These senescent or “zombie” cells release inflammatory signals that harm nearby tissue. FOXO4-DRI is designed to push those cells into dying off naturally, while leaving healthy cells alone.
What it's used for
- Clearing senescent cells (senolytic)
- Healthy aging
- Recovery of tissue function
Benefits
In animal studies, FOXO4-DRI cleared senescent cells and restored fur, physical fitness and kidney function in aged mice. Users report improved energy and recovery after short courses.
How it works
In simple terms: senescent cells survive by holding back their own self-destruct switch, and FOXO4-DRI lets go of it.
In senescent cells, the protein FOXO4 binds p53 and keeps it from triggering cell death. FOXO4-DRI is a decoy that blocks this binding, freeing p53 so the senescent cell self-destructs. Healthy cells rely on this much less, so they are largely spared.
Development history
- 2017: Described by Peter de Keizer’s team at Erasmus University Medical Center in the journal Cell.
Typical protocols
There is no established human dose. These ranges are what users commonly report.
| Use | Dose | Frequency | Length |
|---|---|---|---|
| Senolytic course | 3–5 mg | Every other day | 3 doses |
Cycling
Short “hit and run” courses, repeated a few times a year at most.
Administration options
Subcutaneous injection.
Reconstitution and dosing calculator
Usually comes in 10 mg vials, mixed with 2 mL of bacteriostatic water.
Draw your syringe to
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Show the math
This tool does arithmetic only. It does not choose a dose or confirm that any substance is right for you. Double-check every result against your syringe and your clinician’s instructions.
Side effects and safety
- Users report fatigue or flu-like feelings for a day or two after dosing, possibly from cells clearing.
- No formal safety data in people.
- It is also expensive and quality varies; independent testing matters.
- Avoid during pregnancy and breastfeeding.
Common stacks
Usually used alone during a course.
Storage
Powder: refrigerate or freeze. After mixing: refrigerate at 2–8 °C and use within about 2–3 weeks.
Compare with
- Epitalon: a longevity peptide aimed at telomeres rather than senescent cells.
- SS-31 and MOTS-c: target mitochondria.
Frequently asked questions
Why such short courses?
Senolytics aim to clear cells that build up slowly, so a few doses are thought to be enough for months.
References
- Baar MP, et al. Targeted apoptosis of senescent cells restores tissue homeostasis in response to chemotoxicity and aging. Cell. 2017;169(1):132-147.