Laboratory vials and research equipment
Every Batch Lab TestedBi-Weekly Endotoxin Screening99%+ Purity Verified

Premium Peptide Solutions
for Modern Clinics

Trusted by leading clinics nationwide. Pharmaceutical-grade peptides with rigorous third-party testing, bi-weekly endotoxin screening, and full COA documentation on every batch.

500+
Clinics Served
100+
Peptide Lines
99%+
Purity Standard
HPLC Verified Mass Spectrometry Tested Cold-Chain Shipping Bi-Weekly Endotoxin Screening Full COA Documentation 99%+ Purity Guaranteed Volume Discounts Available USP <85> Compliant Testing HPLC Verified Mass Spectrometry Tested Cold-Chain Shipping Bi-Weekly Endotoxin Screening Full COA Documentation 99%+ Purity Guaranteed Volume Discounts Available USP <85> Compliant Testing
About West Coast Peptide Supply

Your Trusted Partner in Peptide Supply

We specialize in sourcing and distributing premium research peptides to clinics and medical practices. Every product undergoes rigorous third-party testing to ensure purity, potency, and safety.

Pharmaceutical-Grade Purity

Every peptide lot is third-party tested via HPLC and Mass Spectrometry with full Certificates of Analysis provided.

Bi-Weekly Endotoxin Screening

Performed in duplicate per USP <85> and USP <161> guidelines. Every batch must pass before release.

Cold-Chain Logistics

Temperature-controlled packaging and priority shipping preserve peptide integrity from our facility to your clinic.

Dedicated Clinic Support

Expert team available to assist with product selection, dosing guidance, bulk orders, and custom sourcing.

Our Peptides

Premium Peptide Catalog

Over 100+ peptides available in any dosage configuration. Every product backed by HPLC testing, Mass Spec verification, and complete COA documentation.

BPC-157 peptide vial

BPC-157

99%+

Body Protection Compound studied for tissue repair and regenerative research.

Regenerative
Retatrutide peptide vial

Retatrutide

99.47%

Triple agonist peptide researched for metabolic applications. HPLC verified.

Metabolic
GHK-Cu peptide vial

GHK-Cu

99.9%

Copper-bound tripeptide researched for skin rejuvenation and anti-aging.

Anti-Aging
TB-500 peptide vial

TB-500

99%+

Research peptide studied for wound healing and inflammation reduction.

Recovery
CJC-1295 + Ipamorelin peptide vial

CJC-1295 + Ipamorelin

99%+

Growth hormone releasing blend for metabolic and anti-aging research.

Growth Factors
Tirzepatide peptide vial

Tirzepatide

99.75%

Dual GIP/GLP-1 receptor agonist for metabolic and weight management research.

Metabolic
Semaglutide peptide vial

Semaglutide

99%+

GLP-1 receptor agonist for metabolic health and glucose regulation research.

Metabolic
Tesamorelin peptide vial

Tesamorelin

99%+

Growth hormone releasing factor analog for visceral fat reduction research.

Metabolic
DSIP peptide vial

DSIP

99%+

Neuropeptide researched for sleep regulation and stress response modulation.

Neuro
Semax peptide vial

Semax

99%+

Synthetic peptide for cognitive enhancement and neuroprotection research.

Neuro
NAD+ peptide vial

NAD+

99.80%

Nicotinamide adenine dinucleotide for cellular energy and anti-aging research.

Anti-Aging
IGF-1 LR3 peptide vial

IGF-1 LR3

99%+

Long-acting insulin-like growth factor for muscle recovery and tissue repair.

Growth Factors
HCG peptide vial

HCG

99%+

Human Chorionic Gonadotropin for hormonal support and fertility research.

Hormonal
Custom Orders peptide vial

Custom Orders

99%+

100+ peptides available in any dosage. Contact us for custom sourcing.

Custom
Certificates of Analysis

Every Batch. Lab Tested. Documented.

Transparency is the foundation of trust. Every peptide we supply undergoes rigorous independent laboratory testing by Freedom Diagnostics — a US-owned and operated testing facility.

1

HPLC Purity Analysis

High-Performance Liquid Chromatography verifies peptide purity exceeding 99%.

2

Mass Spectrometry ID

Confirms molecular identity and structural integrity of every compound.

3

Endotoxin Screening

Bi-weekly per USP <85> and <161>. Both replicates must pass before release.

4

COA Issued

Full Certificate of Analysis with accession numbers and verification available.

Tirzepatide

99.745%
Test TypePurity
COA #2603270017
LabFreedom Diagnostics
DateMar 29, 2026

Tirzepatide

PASS
Test TypeEndotoxin
COA #2603270018
LabFreedom Diagnostics
DateMar 29, 2026

NAD+ 100mg

99.795%
Test TypePurity
COA #2603270019
LabFreedom Diagnostics
DateMar 29, 2026

GHK-Cu

99.9%
Test TypePurity
COA #2603270020
LabFreedom Diagnostics
DateMar 29, 2026

Retatrutide

99.466%
Test TypePurity
COA #2601300009
LabFreedom Diagnostics
DateFeb 1, 2026

BPC-157

99.04%
Test TypePurity
COA #2601300011
LabFreedom Diagnostics
DateFeb 1, 2026
HPLC TestedMass Spec IDUSP <85>Endotoxin Free
Why West Coast Peptide Supply

The West Coast Peptide Supply Advantage

01

99%+ Purity Standard

Third-party HPLC and Mass Spec testing on every single batch ensures consistent pharmaceutical-grade quality.

02

Cold-Chain Logistics

Temperature-monitored packaging and priority shipping preserve peptide integrity from warehouse to clinic door.

03

Competitive Pricing

Volume discounts and flexible pricing tiers designed specifically for clinical practices of all sizes.

04

Compliance & COA

Full documentation, batch tracking, endotoxin screening results, and regulatory guidance to keep your clinic compliant.

Testimonials

Trusted by Clinics Nationwide

DR
Dr. Rebecca M.
Integrative Medicine Clinic

West Coast Peptide Supply has been our go-to for peptide sourcing. The purity is consistently above 99% and their COA documentation is impeccable.

JC
Dr. James C.
Wellness & Longevity Center

Fast shipping, premium quality, and their support team actually understands peptides. Switching to West Coast Peptide Supply was the best decision for our practice.

SP
Dr. Sarah P.
Anti-Aging Research Clinic

The custom ordering process is seamless. We needed a specific peptide blend and West Coast Peptide Supply sourced it with full documentation within a week.

Request a Quote

Get Your Custom Quotation

Fill out the form and our team will prepare a tailored pricing quote for your clinic within 24 hours.

Response within 24 business hours
Custom volume-based pricing
Full product specs & COA included
100% confidential
Endotoxin screening results available on request

100% confidential. We never share your information.

Contact Us