PepWorld supplies research compounds exclusively to qualified researchers and laboratories for in-vitro and laboratory use. Please confirm the statements below before continuing.
By entering you affirm the statements above are true. All products are for research use only, not for human or veterinary use, and have not been evaluated by the FDA, MHRA or Health Canada.
| Test | Specification | Result |
|---|---|---|
| Appearance | White lyophilised powder | Conforms |
| Solubility | Soluble in water ≥ 50 mg/mL | Conforms |
| Purity (HPLC) | ≥ 98.5% | - |
| Bacterial Endotoxin | < 5 EU/mg | Conforms |
Your order goes straight to Ricarda (UK team). She'll confirm the total, send payment details, and dispatch in 24h. Reply in under 5 min.
Research peptides · HPLC verified
Every batch is tested by an independent European laboratory before it ships, and the certificate travels with the vial.
Pick your goal, then your compound. Every protocol ships with the complete dosing kit and a batch-specific COA.
Cellular energy peptide. Mitochondrial function, focus, biological age reversal.
Most users report energy + sleep improvements within 2–3 weeks.
Full-length human growth hormone. Muscle, recomposition, deep sleep, anti-ageing.
Most users report deeper sleep within 5–7 days.
Lipolytic HGH fragment. Targeted fat loss without full HGH side effects.
Most users report targeted fat loss within 2–4 weeks.
Anti-ageing bundle. Save £867 vs buying separately. Full 6-month anti-ageing protocol.
Full 6-month anti-ageing protocol for biological age reversal.
Telomere-lengthening peptide. Slows biological ageing at the cellular level.
Best measured via blood biomarkers over 3+ months.
Mitochondrial peptide. Insulin sensitivity, endurance, metabolic health.
Most users report improved endurance within 2–4 weeks.
Master antioxidant peptide. Cellular detoxification, skin clarity, oxidative stress reduction.
Often stacked with NAD+ for compounding cellular support.
Copper peptide. Skin remodelling, collagen synthesis, tissue repair signalling.
Most users track results through skin elasticity over 8–12 weeks.
Senolytic peptide. Targets and clears senescent 'zombie' cells to support tissue renewal.
A more advanced longevity compound, often introduced after a base NAD+/Epitalon protocol.
847 verified orders. A few of the notes they sent us.
Every delivery has landed in four days, packaging completely discreet.
COA checked out immediately, which is what gives you confidence you're getting exactly what you paid for.
Kit arrived complete, nothing missing.
Vial arrived sealed, batch number matched the certificate.
Six things we do on every order that most suppliers leave to chance.
Every batch tested by an independent European lab. Average 99.81%, minimum 98.5%. COA in every box.
BAC water, sterile 31G syringes, alcohol swabs, sharps container on longer protocols.
Dispatched same-day for orders before 4pm UK. Tracked, insured, plain unmarked packaging.
Not satisfied? Message us within 60 days for a full refund. No questions, no drama.
Talk to a real UK team member, not a chatbot. WhatsApp reply typically under 5 minutes.
The price shown is the price paid. VAT included, per-month cost on every protocol, nothing added at checkout.
Tell us your goal, weight loss, recovery, longevity, aesthetics, and our UK team will build you a tailored protocol. Usually replied to within 5 minutes.
Message usResearch groups, clinics and resellers order from the same catalogue at tiered pricing. Batch COA travels with every order, white-label available from tier three.
Test batch, single compound.
Mixed compounds allowed.
Your labels, our batches.
Best per-vial pricing.
Quotes answered within 15 minutes during working hours. Request bulk pricing →
A supplier that tests properly can hand you a certificate tied to the lot number printed on your vial. If the COA is generic, undated, or refers to a different batch, it tells you nothing about what you received.
HPLC purity is the share of the sample that is the intended compound. It is measured, not estimated. Ours averages 99.6% across the catalogue, with a floor of 98.5% below which a batch does not ship.
Reconstitution needs bacteriostatic water, sterile syringes and swabs. A supplier that leaves you to source those separately has priced the product, not the protocol.
UK and EU fulfilment avoids customs delays and import charges. Cold-chain matters for compounds that are temperature sensitive, and it should be stated plainly rather than implied.
Answer 10 questions, get a shortlist All 20 buyer's guides How to read a COA Choosing a supplier Verify a batch number Read the full FAQ Shipping and delivery
Browse the full catalogue and complete your order in under 5 minutes. Delivered to your door in 3–5 days.
