Best seller
ZY-01ZYLO-RT
10mg · 20mg · 30mg · 60mg
from $82
Lot-tested · COA with every batch
Research peptides
you can trust.
Research-grade peptides with a certificate of analysis on every batch. 99%+ identity purity, third-party tested, shipped discreetly.
- identity purity
- 99%+
- identity purity
- every batch
- COA
- every batch
- dispatch
- 1–2 days
- dispatch
In stock · ships in 1–2 daysFree shipping over $200
The zylo guarantee
Documented quality for research and laboratory use.
99% purity guaranteed
Every batch is verified by an independent lab — HPLC for purity, mass spec for identity. Under 99%, it isn't released.
Shipment protection
Add protection for $4.99 and we replace a lost, stolen or damaged parcel once — no questions beyond photos.
COA with every batch
Each vial's lot links to its certificate of analysis. Look it up before you buy, or tap View COA on any product.
Research Panels · New
Select any 4. Save 40% every month.
Build a monthly panel from any vials in the catalog. Pause, swap or cancel anytime from your account.
- ✓Any 4 compounds, any size
- ✓40% off every delivery
- ✓Renewal reminder before every shipment
Volume pricing · New
Stocking the lab? Up to 50% off at volume.
Discounts apply automatically in your cart across every research compound — mix and match.
See volume pricing10%
5+ units
20%
10+ units
35%
25+ units
Research Access
50%
50+ units
Research Access
Catalog
Featured research compounds
Popular
ZY-02Tirzepatide
10mg · 20mg · 30mg · 60mg
from $86
ZY-03Semaglutide
5mg · 10mg
from $79
ZY-06BPC-157
5mg · 10mg · 15mg
from $38
ZY-07TB-500 (Thymosin Beta-4)
5mg · 10mg
from $48
ZY-04GHK-Cu Copper Peptide
50mg · 100mg
from $40
ZY-11GLOW Blend
30mg · 70mg
from $85
ZY-10BPC-157 + TB-500 Blend
10mg/10mg · 20mg/20mg
from $79
Research Bundles · New
Share a bundle with other labs. Earn credit on every order.
Load 3+ vials onto one link. Anyone who orders through it saves 10% — and you get 10% back in Business Credit.
Create a bundle linkBusiness Credit
Load credit once. We add up to 25% on top.
100 credit = $1 at checkout, on any order. Pay $100, get 10,500 credit — up to +25% on larger packs.
Buy Business CreditWhy zylo
Everything your lab needs, nothing it doesn't.
Documented lots
Lot records, exact purity results and a COA you can look up before you order.
Research-friendly pricing
Panels, volume tiers, points on every order and credit that spends like cash.
Real support
A lab team that answers within one business day — Mon–Fri · 9am–5pm PT.
Discreet & cold-aware
Foam-sleeved vials, gel packs where needed, plain cartons, tracking on every order.
New lots, restocks and member pricing — first.
A couple of emails a month. Unsubscribe anytime.