From $10.00
Research peptides. Verified by lot.
Independent testing. Transparent results. Explore our research collection.
The Collection
View all products- ≥99%
- Verified HPLC purity, every batch
- 2
- HPLC purity + LC-MS identity
- COA
- Chromatogram + COA, every order
- USA
- Made and lab-tested in the U.S.
Most Ordered
Researchers’ most ordered.
Testing Protocol
Tested by lot.
Traceable to the vial.
Every batch is tested by independent, accredited U.S. third-party laboratories. Chromatograms and Certificates of Analysis are included with every order.
Read the testing protocol
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01
≥ 99%
HPLC purity
Reversed-phase HPLC confirms a minimum of 99% purity for each batch.
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02
Identity match
LC-MS identity
Liquid chromatography–mass spectrometry confirms molecular identity.
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03
Guaranteed
Milligram content
Exact milligram content per vial, matched to the label.
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04
−20 °C
Vacuum lyophilization
Freeze-dried under vacuum for stability. Store lyophilized material at −20 °C.
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05
Traceable
Cold chain & traceability
Temperature-controlled shipping, with every vial traceable to its batch COA.
COA Library
Every lot, published.
Search any lot number to see its certificate — purity, identity and the lab that ran it.
| Compound | Lot # | Tested | Purity (HPLC) | Identity (MS) | Status | Certificate |
|---|---|---|---|---|---|---|
| MOTS-C | KIZN072426 | 2026-09-30 | 99.78% | 1419.5 da ✓ | Pass | View COA |
| TB-500 | KIZN072426 | 2026-08-15 | 99.06% | 1419.5 Da ✓ | Pass | View COA |
| BPC-157 | KIZN072426 | 2026-08-15 | 99.23% | 1419.5 Da ✓ | Pass | View COA |
| NAD+ | KIZN072426 | 2026-07-30 | 99.81% | 1419.5 da ✓ | Pass | View COA |
| GHK-Cu | FLL-0629 | 2026-07-03 | 99.78% | 1418.5 da ✓ | Pass | View COA |
A little goes a long way Made to keep Named for the waybread
Named after a legendary waybread — a small cake, wrapped in a leaf, that kept travelers going for days.
Affiliate Program
Refer researchers.
Earn on every order.
Share your link with labs and colleagues. Earn 15% on every order they place for 30 days — tracked live in your affiliate dashboard.
- XX%
- commission per order
- 30-day
- referral window
- Monthly
- payouts
- Live
- dashboard tracking
Affiliates follow the Lembas promotion guidelines: research-use language only, no health or performance claims, FTC disclosure required.
Customer Reviews
Rated on service, speed
and paperwork.
Consistency
“Third order. Same lot-level documentation every time. Consistency is why we reorder.”
Shipping
“Ordered at 10am, shipped the same day, arrived two days later still cold.”
Documentation
“Lot number on the vial matched the COA in the library exactly. Paperwork is the cleanest I’ve seen.”
01 What does “research use only” mean?
Lembas products are research chemicals supplied for in-vitro laboratory and analytical use only. They are not drugs, supplements or cosmetics and are not for human or veterinary use.
02 What is included in a Certificate of Analysis?
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03 How do I match my vial to its COA?
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04 What are the recommended storage conditions for lyophilized material?
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05 Which laboratories perform your testing?
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06 Who can purchase from Lembas?
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