Adamax
- 10mg lyophilized
Neuro / CNS
$75.00 /vial
Add
Research-grade peptides
Purity you can verify.
Lab-tested peptides, with results posted. See the proof before you buy.
HPLC-MS · Assay
LOT TP260714
0.0%
Peak area purity · single dominant peak
METHOD · HPLC-MS
FORM · LYOPHILIZED
✦ Same Day Shipping✦ Free Shipping Over $150✦ ≥99% Identity Purity✦ Third-Party Tested✦ Secure Checkout
The full catalog
The lineup
Per research vial prices.
Amino H2O
- 10 mL vial
Supplies
$10.00 /vial
Add
GHK-Cu
- 50mg lyophilized
Dermal / Matrix
$35.00 /vial
Add
Glutathione
- 1500mg lyophilized
Cellular Aging
$60.00 /vial
Add
KLOW
- 80mg lyophilized blend
Tissue Repair
$100.00 /vial
Add
KPV
- 10mg lyophilized
Immunomodulation
$40.00 /vial
Add
Melanotan II
- 10mg lyophilized
Dermal / Matrix
$30.00 /vial
Add
MOTS-C
- 10mg lyophilized
Cellular Aging
$50.00 /vial
Add
NAD+
- 500mg lyophilized
Cellular Aging
$70.00 /vial
Add
PT-141
- 10mg lyophilized
Neuro / CNS
$35.00 /vial
Add
Selank
- 10mg lyophilized
Neuro / CNS
$35.00 /vial
Add
Semax
- 10mg lyophilized
Neuro / CNS
$30.00 /vial
Add
SNAP-8
- 10mg lyophilized
Dermal / Matrix
$30.00 /vial
Add
SS-31
- 10mg lyophilized
Cellular Aging
$75.00 /vial
Add
Wolverine Stack
- TB-500 10mg + BPC-157 10mg
Tissue Repair
$80.00 /vial
Add
0.0%
Mean assayed purity across 6 published lots — every figure backed by a downloadable certificate of analysis.
COA’s on file
Most vendors say “lab tested.” We show the assay: method, purity %, and peak chromatogram. Hover any COA badge above to see one.
HPLC-MSPEAK PURITYLOT-TRACEABLE
Shop by research focus
Pick a direction
About us
Built by researchers, for researchers
Sigma Stacks exists to make research-grade peptides verifiable. Too much of the market runs on label trust and mystery purity — our answer is to publish the data.
We ship lyophilized and sealed, with the proof attached. No hype and no human-use claims — just compounds for in-vitro laboratory research, documented to the lot.
Why Sigma Stacks
More than a vial.
Fast, secured shipping
Orders ship the same day, packed discreetly and tracked door to door.
The Telegram community
Restock drops, new lot certificates, and direct line to the team.
99% purity guarantee
Assay under the certificate we filed and we replace it or refund it.
Hands-on support
A real person answers questions about a lot or an order — not a queue.
30-day purity money back
Thirty days to assay it yourself. Under spec, you get your money back.
PURITY
OR
REPLACED
OR
REPLACED
The purity guarantee
If an independent assay of your lot comes back below the certificate we filed, we replace it or refund it — no debate. Research-grade should mean research-grade.