American Peptide Science
Research-Grade Peptides, Refined.
Precision-sourced compounds for advanced scientific research, supported by third-party analytical documentation and rigorous quality standards.
Featured Compounds
The Research Catalog.
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ruoPopular PeptidesBPC-157
COA Verified · ≥98% PurityPrice range: $50.00 through $180.00 — or subscribe to save up to 15%5mg10mg20mgAdd to cart This product has multiple variants. The options may be chosen on the product pageDosage -
ruoPopular PeptidesGHK-Cu
COA Verified · ≥98% PurityPrice range: $80.00 through $130.00 — or subscribe to save up to 15%50mg100mgAdd to cart This product has multiple variants. The options may be chosen on the product pageDosage -
ruoResearch Peptides -
ruoPopular PeptidesThymosin Beta 4 (TB500)
COA Verified · ≥98% PurityPrice range: $75.00 through $140.00 — or subscribe to save up to 15%5mg10mgAdd to cart This product has multiple variants. The options may be chosen on the product pageDosage
Shop by Research Category
Organized for the lab
Research Library
Browse by research pathway
Compounds organized by the laboratory pathway they're most referenced in. Every compound is sold strictly for in-vitro and laboratory research — not for human consumption.
Metabolic Research
Compounds studied in laboratory models of tissue repair, wound healing, and recovery signaling.
Tissue Repair & Recovery
Compounds referenced in laboratory research on anabolic signaling and lean tissue pathways.
Anabolic & Muscle Pathways
Compounds studied in laboratory models of metabolic regulation and energy balance.
Longevity & Cellular Aging
Compounds referenced in cellular aging and longevity pathway research.
Cognitive & Neurological
Compounds studied in laboratory models of neurological and cognitive signaling.
Peptide Blends
Multi-compound formulations referenced in laboratory research combining complementary pathways.
Featured Compounds
Featured Products
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ruoBioregulatorsEpitalon
COA Verified · ≥98% PurityPrice range: $100.00 through $150.00 — or subscribe to save up to 15%10mg50mgAdd to cart This product has multiple variants. The options may be chosen on the product pageDosage -
ruoFeatured ProductsMOTS-c
COA Verified · ≥98% PurityPrice range: $100.00 through $200.00 — or subscribe to save up to 15%10mg40mgAdd to cart This product has multiple variants. The options may be chosen on the product pageDosage -
ruoFeatured ProductsNAD+
COA Verified · ≥98% PurityPrice range: $100.00 through $180.00 — or subscribe to save up to 15%500mg1000mgAdd to cart This product has multiple variants. The options may be chosen on the product pageDosage -
ruoFeatured ProductsSS-31
COA Verified · ≥98% PurityPrice range: $120.00 through $260.00 — or subscribe to save up to 15%10mg50mgAdd to cart This product has multiple variants. The options may be chosen on the product pageDosage
Testing Protocol
Comprehensive 6-Panel Testing.
Independent analytical verification supports every compound in the catalog.
Qualitative ID
Lambda Max
Percent Purity
Correlation Coefficient
Quantitative Assay
Beer-Lambert
Heavy Metals
Total Quantity Limit
TAMC
Total Aerobic Microbial Counts
TYMC
Total Yeast and Mold Counts
Verify Your Batch
Search Your COA
Batch Number
Batch number is printed on your product label, next to the QR code.
Our Standard
Quality You Can Verify.
I.
Third-Party Testing
Independent analytical verification supports every compound in the catalog.
II.
Batch COA Library
Batch-specific records and COAs accessible by QR code on every label.
IIi.
Research-Only Compliance
Clear, consistent research-use-only standards across every product and page.
"Advancing peptide science through rigorous research."
All USA Peptide Research products are sold strictly for laboratory research use only. Products are not intended for human consumption, medical use, veterinary use, diagnostic use, or to diagnose, treat, cure, or prevent any disease.
Stay current on new batches.
New compounds, COA updates, and research COA Library — no more than twice a month.
Research-Grade Peptides for Scientific Excellence
Premium research peptides engineered for your laboratory investigations. Guaranteed ≥98% purity with comprehensive third-party verification.
Buy Quality Peptides for Scientific Research and Development
At Your Peptide Brand, we produce high-purity research peptides, proteins, and amino acid derivatives for scientific and laboratory use only. Using advanced solid-phase and solution-phase synthesis methods, each compound is verified for purity exceeding 99% and precision sequence accuracy. Every product is tested and packaged under strict quality controls to ensure stability and consistency.