Evidence-graded research on peptides, supplements, and devices.
We catalog what the research actually shows — on animal models, in vitro, and in human trials — and point you at verified suppliers. No hype. No therapeutic claims. Just the evidence.
- Peptides
- 23profiles
- Protocols
- 15curated
- Goals
- 10tracked
- Research
- 49entries
Pick a goal
Browse by outcome
Every goal is mapped to the peptides, supplements, devices, and lab tests studied for it — plus ready-made protocols at every budget tier.
Why Protosi
Research you can actually trust.
The longevity space is full of hype. Here's how Protosi is different from the noise you're used to.
Random supplement advice from Reddit threads and influencer reels
Evidence-graded profiles linked directly to PubMed primary research
Vague claims like "clinically proven" with no citations
Every compound tagged by research status: Animal Models, In Vitro, Human Trials, or Mixed
Expensive brands with unclear sourcing and no third-party testing
Verified research suppliers with transparent affiliate disclosures
One-size-fits-all protocols with no budget or experience filtering
Curated stacks matched to your goal, experience level, and monthly budget
No baseline testing — start a protocol and hope for the best
Lab test recommendations mapped to each goal, with optimal ranges from longevity research
Therapeutic claims disguised as information ("heals", "cures", "reverses")
Research-only framing: "studies suggest", "animal models indicate" — honest about the evidence level
Research profiles
Featured peptides
Curated stacks, organized by goal and budget.
Pick a goal, experience level, and budget — get back a complete protocol with peptides, supplements, devices, and lab tests, each linked to a verified supplier.
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