ResearchSafe

FOXO4-DRI (FOXO4-D-Retro-Inverso Peptide (Senolytic))

Category: Anti-Aging. Status: Research compound.

A D-retro-inverso peptide that disrupts FOXO4-p53 interaction in senescent cells, triggering selective apoptosis of senescent cells while sparing healthy cells.

How it works

Competitively disrupts FOXO4 sequestration of p53 in senescent cells, releasing p53 to trigger intrinsic apoptosis selectively in cells relying on this survival mechanism.

Key facts

  • Molecular weight: ~4,500 Da
  • Half-life: 12-24 hours (D-amino acid stability)
  • Bioavailability: Moderate (SubQ)
  • Storage: Lyophilized: -20°C. Light-sensitive.

Dosing overview

  • Typical dose: 5-10 mg/kg (animal studies)
  • Frequency: 3x per week for 3 weeks
  • Duration: 3-week cycles
  • Route: Subcutaneous

Reported benefits

  • Selective senescent cell elimination
  • Potential aging reversal
  • Improved tissue function
  • Reduced inflammatory burden
  • Hair regrowth (mice)

Possible side effects

  • Limited human safety data
  • Transient inflammatory response possible
  • Theoretical beneficial-senescence depletion

Research

  • Targeted apoptosis of senescent cells restores tissue homeostasis (2017): Selectively induced apoptosis in senescent cells, restored fitness, fur density, and renal function in aged mice.
  • FOXO4-p53 disruption as senolytic strategy (2021): Cleared 60% of senescent cells in aged livers with reduced SASP inflammatory markers.

Community reviews of FOXO4-DRI

Rated 4.7 out of 5 from 6 community reviews by ResearchSafe members.

  • bac_water_betty rated it 5/5 - Noticed clear benefits within weeks: Added FOXO4-DRI to my protocol about 6 weeks ago and it has earned its place. The benefits became noticeable around week 2-3 and have been consistent since. What I appreciate about this compound is the predictability. It does what the research suggests it should do, at roughly the timeline you would expect. No surprises, no dramatic swings, just steady improvement. No notable side effects to report at my dose. Sourcing is always the challenge with research compounds, insist on third-party testing. Storage and reconstitution per standard protocols. Plan to continue.
  • growth_factor_gabe rated it 5/5 - Genuinely effective after 3 months: Been using FOXO4-DRI for about 3 months and the results are clear. Not overnight dramatic, but a steady, consistent improvement that became undeniable by the end of the first month. The mechanism makes sense based on what I have read in the literature, and my subjective experience matches the expected timeline. Benefits built gradually and plateaued at a good level. Side effects were minimal to none at the dose I used. Followed proper protocols for sourcing, storage, and administration. Would recommend to others who have done their research and have realistic expectations.
  • wellness_wade rated it 5/5 - Solid compound with real results: Been using FOXO4-DRI for about 6 weeks and the results are clear. Not overnight dramatic, but a steady, consistent improvement that became undeniable by the end of the first month. The mechanism makes sense based on what I have read in the literature, and my subjective experience matches the expected timeline. Benefits built gradually and plateaued at a good level. Side effects were minimal to none at the dose I used. Followed proper protocols for sourcing, storage, and administration. Would recommend to others who have done their research and have realistic expectations.
  • needle_notes_nate rated it 5/5 - Worth adding to the protocol: FOXO4-DRI has been a worthwhile addition. I am data-driven and tracked relevant markers before, during, and after. The improvement is measurable and correlates with the intervention timeline. What sets this apart from some compounds I have tried is the consistency. Benefits did not fluctuate wildly or disappear. They built up and maintained. That gives me confidence in the mechanism. Tolerance has been excellent. Nothing in my bloodwork or subjective experience raised any flags. This is the kind of compound that does its job quietly without causing problems. Exactly what you want.
  • sam_l rated it 4/5 - Helped my achy post-training knees quiet down: After a brutal winter of lifting and too many cold Midwest runs, my knees were talking back every morning, which was annoying as hell for someone who has to sit at a laptop all day. I ran FOXO4-DRI for about 8 weeks, and for me the annoying stiffness seemed to ease up a bit by week 5. Could’ve been other recovery stuff too, tbh. I wouldn’t call it dramatic, but I did keep reaching for ibuprofen less.
  • daily_biohacker rated it 4/5 - Stiffness eased, that was the big thing for me: After about 8 weeks on FOXO4-DRI, the main change I noticed was less morning stiffness in my knees and hips, which mattered a lot for my yoga classes here in Japan. Honestly, it seemed to help tissue recovery a bit. Small caveat, I felt a little flat for a few days early on.

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Community discussions about FOXO4-DRI

Research and educational reference only. Not medical advice.