Peptides
Fastest shipping · 2–4 daysRetatrutide
10 mg
Triple-agonist research peptide, ≥98% purity.
€81incl. IVA
Science-backed. Human-focused.
Born in Marbella. Built for longevity.
LIVE BETTER. LIVE LONGER.
Science-backed longevity, biohacking and performance — inspired by Marbella. Sourced, HPLC-verified and cold-chain shipped. Every vial arrives with its batch record. Supplied for laboratory research use only.
- Longevity
- Biohacking
- Optimization
- Wellness
- ≥98%
- Verified purity
- 24h
- EU dispatch
- 100%
- Batch tested
Free EU shipping over €150 · Cold-chain packed from Marbella
Brand pillars
Longevity
Extend your years with compounds studied for healthspan.
Biohacking
Science. Backed. Optimised. No marketing shortcuts.
Optimization
Peak body, peak mind, peak life — measured, not guessed.
Wellness
Sustainable health for the long run, not a 12-week cycle.
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Optimize your biology.
Kuulpeps Guides
Longevity, biohacking, performance and recovery — evidence-tiered and referenced.
Healthspan · 9 min read
The Longevity Stack: What Actually Moves Healthspan Markers
Cardiorespiratory fitness, resistance training, protein intake and sleep — the four inputs with the strongest human evidence behind healthspan.
Measurement · 8 min read
Biomarker Basics: Which Numbers Are Worth Tracking
A plain-language framework for blood panels, body composition and fitness testing — what each measure tells you, and how often re-testing is useful.
Training · 8 min read
VO2 Max Training: Structure, Dosage and Measurement
How VO2 max is measured, how zone 2 and high-intensity work fit together, and what a realistic weekly structure looks like.
Explore by research area
Find the compound file for your study
Each hub collects evidence-tiered guides for one research area. No outcomes promised — just referenced context.
Longevity
Healthspan, biomarkers and the research behind compounds studied for aging.
Explore longevity →Performance
Capacity, training structure and the compounds used in exercise research.
Explore performance →Recovery
Sleep, load management and research into tissue repair and regeneration.
Explore recovery →Biohacking
Lab practice, sterile technique, measurement and how to read the evidence.
Explore biohacking →