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- First Order — 10% off with code EVL10
- New Lenox, IL · USA
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Independent HPLC and mass-spec analysis on every lot, published before it ships. Order by 3:00 PM CST and it leaves New Lenox the same day, in unbranded packaging. Supplied for in-vitro laboratory research only.
New Lenox, Illinois
Certificate on every lot
Nothing on the outside
No return needed
18 SKUs
18 SKUs
18 SKUs
18 SKUs
18 SKUs
Every lot is sent to an independent lab for HPLC purity and mass-spec identity. The certificate is posted on the product page — under the lot number printed on the vial you receive — so you can verify the specific material in your hand, not a sample from last year.
LOT EP-2606 · ASSAY 06/2026
Compound
Appearance
Identity (MS)
Purity (HPLC)
Net Content
Most sourcing decisions in this category come down to five things. Ask them of us and of anyone else you’re considering.
Supplied strictly for in-vitro laboratory research. Not for human or veterinary use, diagnosis or therapy. Buyers must be 21+.
| Standard | Everlast | Typical supplier |
|---|---|---|
|
Is the COA specific to my lot? Not a sample certificate from a previous batch |
Yes — lot-matched
|
Generic or on request |
|
Who ran the assay? Independent lab vs. in-house claim |
Third-party lab
|
Supplier-stated |
|
Both purity and identity tested? HPLC purity plus mass-spec identity |
HPLC + MS
|
HPLC only |
|
When does my order leave? Published cutoff, tracked the same day |
Same day by 3 PM CST
|
2–5 business days |
|
What happens if a vial arrives damaged? Replacement policy in writing |
Replaced, no return
|
Case by case |
Working out concentration before you draw, and the two mistakes that ruin an otherwise good lot.
What the −20 °C guidance actually buys you, and how long a reconstituted vial stays usable.
Main-peak area, retention time and impurity tables — what a credible certificate looks like.
Still stuck? Email info@everlastpeptides.com — a human answers within one business day, usually faster.
Average first reply: 4 minutes
Lyophilised research compounds in sealed vials, supplied strictly for in-vitro laboratory research by qualified professionals. Nothing on this site is for human or veterinary use, diagnosis or therapy, and we do not provide dosing guidance of any kind.
Every lot carries a number printed on the vial. Search that number in the COA library or open the certificate linked on the product page — it shows HPLC purity, mass-spec identity confirmation, appearance and net content for that specific lot, with the full chromatogram attached.
Orders placed before 3:00 PM CST on a business day leave New Lenox the same day with tracking. Everything ships in unbranded outer packaging with a cold pack where the compound requires it — nothing on the outside identifies the contents.
Stack pricing is automatic in the cart: 8% off at two vials, 15% at three to five, 22% at six or more, applied across mixed compounds. For volumes beyond that, email us and we will quote per-lot.
Photograph the vial and email us within 14 days of delivery. Damaged, short-filled or off-spec material is replaced on the next dispatch without a return. If a lot fails assay after release, we contact every buyer of that lot directly.
Average first reply: 4 minutes
