Metabolic3 sizesGLP-3
5mg · 10mg · 20mg
from $79.00
≥ 99.0%
Est. 2021 · Lot-level analytics
Peptides you can
actually verify.
Echo Peps supplies research peptides tested to 99%+ purity, fulfilled immediately from stock on hand — with two-day shipping available for fast delivery.
- 99%+
- Purity tested
- 100%
- Tested peptides
- 100%
- Customer satisfaction
For research purposes onlyNot for human consumptionThird-party assayedTested to 99%+ purityTwo-day shipping availableImmediate order fulfilmentNot a drug, food, or supplement
01Best sellers
Most popular orders.
The three compounds that move fastest off our shelf, each tested to 99%+ purity before it ships.
02Our standards
The boring parts, done properly.
Analytical rigour is unglamorous and expensive. It is also the only thing that distinguishes one white powder from another.
Independently assayed
Every lot is assayed by an independent laboratory with no commercial relationship to us. If a lot does not clear 99% purity, it does not ship.
Tested against the lot
Identity by mass spectrometry, purity by reverse-phase HPLC. Results belong to the lot in your hands, not to the product line — published COAs are rolling out now.
Two-day shipping available
Orders are fulfilled immediately from stock on hand — nothing waits on a compounding queue — and two-day delivery is available at checkout.
Research use, enforced
Every buyer confirms at signup and again at checkout that these are research chemicals, not for human use. We decline orders we believe are intended otherwise.
Lot documentation
COAs coming soon.
We are standing up published certificates of analysis lot by lot. Once a lot's packet clears the lab it goes on that product page — method, wavelength, and the full impurity profile — readable without an account.
Before you order
Every peptide here is for laboratory use.
Echo Peps products are not drugs, foods, supplements, cosmetics, or medical devices, and are not approved for use in humans or animals. You will be asked to confirm you understand this at signup and at every checkout — the confirmation cannot be skipped.