Clinical Grade · Uncompromised Purity
Advanced Peptides. Backed by Science.
High-purity research peptides for advanced studies. Third-party tested. Trusted by researchers nationwide.
99%+
Purity
3rd-Party
Tested
NY-Based
Supply
COA Available
Download per batch
Same-Day Shipping
Order in the next 13h 51m 57s to ship today (before 2pm ET).
Research Use Only
Not for human consumption
Certificate of Analysis
Available for every batch
Secure Checkout
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Research Use Only
Not for human consumption
Secure Payments
BPC-157 5mg shipped to Austin, TX · 2 min ago
TB-500 5mg Bundle shipped to Denver, CO · 4 min ago
Semaglutide 10mg shipped to Brooklyn, NY · 7 min ago
GHK-Cu 50mg shipped to Seattle, WA · 9 min ago
Ipamorelin 5mg shipped to Miami, FL · 12 min ago
CJC-1295 5mg Stack shipped to Chicago, IL · 14 min ago
Tirzepatide 15mg shipped to Boston, MA · 17 min ago
PT-141 10mg shipped to Portland, OR · 19 min ago
Melanotan II 10mg shipped to Phoenix, AZ · 22 min ago
BPC-157 + TB-500 Stack shipped to Nashville, TN · 25 min ago
Retatrutide 10mg shipped to San Diego, CA · 28 min ago
Sermorelin 5mg shipped to Atlanta, GA · 31 min ago
Why Researchers Switch
How We Compare
An honest side-by-side. See exactly what you get with us versus a typical overseas peptide vendor.
| Feature |
Us Fifth Ave Peptides |
Others Typical Vendors |
|---|---|---|
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≥ 99% Purity Guarantee |
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– Sometimes |
|
Third-Party HPLC + Mass Spec |
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Batch-Specific COA Included |
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– Sometimes |
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Sold & Shipped from USA |
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Same-Day Shipping (before 2pm ET) |
|
|
|
Insulated, Protective Packaging |
|
– Sometimes |
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No Drop-Shipping or Middlemen |
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Bundle Discounts up to 20% |
|
– Sometimes |
|
US-Based Customer Support |
|
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Based on publicly listed policies of leading research-peptide vendors as of 2025.
Collection
Growth Factor Research
MOTS-c
Price range: $33.99 through $77.99
≥99% Purity
Ipamorelin
Price range: $28.99 through $54.99
≥99% Purity
CJC-1295 + Ipamorelin Blend
$49.99
≥99% Purity
Tesamorelin
Price range: $28.50 through $43.99
≥99% Purity
Collection
Metabolic Research
Retatrutide
Price range: $49.99 through $249.99
100 in stock
≥99% Purity
Tirzepatide
Price range: $54.99 through $220.00
≥99% Purity
Cagrilintide
Price range: $40.00 through $69.99
≥99% Purity
Semaglutide
Price range: $39.99 through $149.99
≥99% Purity
Why Researchers Switch
Why Researchers Switch
LL-37
$47.99
100 in stock
≥99% Purity
DSIP (Delta Sleep-Inducing Peptide)
$99.99
100 in stock
≥99% Purity
Selank
Price range: $24.99 through $48.99
≥99% Purity
Semax
Price range: $24.99 through $48.99
≥99% Purity
Independently Verified
Trusted by Researchers Nationwide
Every batch is validated by independent US labs and shipped under strict cold-chain standards — so what's on the COA is exactly what's in the vial.
ISO-Accredited Lab
HPLC + Mass Spec verified
≥99% Purity
Guaranteed every batch
Batch-Matched COA
Lot-traceable to your vial
Made & Shipped in USA
New York facility
Shipped Today, From New York
Real, verified orders dispatched from our NY facility in the past hour. Every order ships with a batch-matched COA.
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Verified Researcher Reviews
4.9
/ 5.0
Based on 2,487 verified reviews
5
4
3
2
1
92%
6%
3%
2%
1%
- All reviews from verified purchases
- Independently moderated, no edits or deletions
- Researcher identities verified at lab address
What Researchers Are Saying
Trusted by Researchers
4.9/5 from 1,200+ Verified Reviews
“Fifth Ave Peptides is my go-to source. Top-tier quality and always consistent.”
“COAs are easy to access and give peace of mind with every order.”
“Fast shipping, discreet packaging, and excellent customer support.”
Zero-Risk Purchase
Our Promise to Every Researcher
≥99% Purity Guaranteed
Every vial matches its published COA — or we replace it free.
Verified COA Per Batch
Cross-check your vial against the lab report before you open it.
Free Reship If Damaged
Arrives broken or off-spec? We ship a replacement — no hassle.