Fast Same-Day Shipping
Orders placed before 2PM Monday – Friday ship the same day via USPS.
Third Party Lab Tested
Built By Peptides research peptides are produced in small batches and tested by an independent, USA-based third-party lab, with COAs available for review.
US-Based Customer Support
Support is available Monday–Friday, 9AM–5PM to help with product, order, and shipping questions.
Buy research peptides directly from the lab.
Batch-produced, lab-grade peptides are supplied as lyophilized powder in glass vials designed to protect integrity from storage to reconstitution.
Buy Peptides from a trusted, reputable source located in the USA!
Shop Our Best Selling Peptides
-
Peptide Vials
GLP-3RT
Price range: $109.00 through $269.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
GLP-2TZ
Price range: $79.00 through $188.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
Wolverine (BP-157+TB500)
$89.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
KLOW
$127.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
GLOW
$112.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
NAD+
Price range: $28.00 through $85.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
Tesamorelin
$75.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
Ipamorelin
$56.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
KPV
$45.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
MOTS-c
Price range: $45.00 through $119.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
Pinealon
$40.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
GHK-Cu
$44.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
Sermorelin
$75.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
Thymosin Alpha-1
$75.00 Select options This product has multiple variants. The options may be chosen on the product page -
Peptide Vials
SS31
$62.00 Select options This product has multiple variants. The options may be chosen on the product page
Built for purity, clarity, and consistency.
Built By Peptides focuses on lab-friendly packaging and batch consistency. Peptides are supplied as lyophilized powder in glass vials to support accurate, repeatable laboratory work.
- ≥99% purity, verified by third-party testing.
- Lyophilized (freeze-dried) form for stable storage.
- Glass vials are designed for clarity and chemical resistance.
- Clear labeling with strength, lot, and storage guidance.
Ready to buy research peptides online?
Choose your peptides, review specifications, and checkout with confidence.
All products sold by Built By Peptides are intended solely for laboratory research applications. Not for human consumption, medical, diagnostic, or veterinary use. Peptides are supplied as lyophilized powder and are not reconstituted; any additional supplies must be sourced separately by the purchaser.