HPLC + MS VERIFIED · TRUSTED BY 3,000+ RESEARCHERS
High-Purity Research Peptides
Explore our wide selection of 99%+ purified research peptides, such as BPC-157, Semaglutide, TB-500, Ipamorelin and more.
Orders before 2PM EST ship same day
Join now — free membership with exclusive discounts, research insights, and full catalog access.
Advanced Laboratory Testing
HPLC
Testing
Endotoxin
Assay
TYMC
Test
TAMC
Test
Heavy Metal
Screening
Featured Products
Our most popular research peptides
Best SellerBPC-157
Body Protection Compound-157. A pentadecapeptide studied for tissue repair, gut healing, and angiogenesis.
TB-500
Thymosin Beta-4 fragment. Researched for its role in cell migration, wound repair, and anti-inflammatory activity.
PopularSemaglutide
GLP-1 receptor agonist researched for glycemic control and body weight regulation.
PopularTirzepatide
Dual GIP/GLP-1 receptor agonist studied for metabolic regulation and weight management.
Why Stillwater BioLabs
Built on transparency, precision, and trust
99%+ Purity
Every product is independently verified through HPLC and mass spectrometry testing by accredited third-party laboratories.
Full Transparency
Public, batch-linked certificates of analysis. Every COA includes HPLC chromatograms, MS identity confirmation, and lot numbers.
Fast Fulfillment
Orders placed before 2PM EST ship the same business day. Free shipping on all US orders over $200.
Research Categories
Browse peptides by area of research
Anti-Aging
Peptides researched for cellular rejuvenation and age-related processes
Anti-Inflammatory
Compounds studied for modulation of inflammatory pathways
Cardiovascular Health
Peptides investigated for vascular and cardiac function
Endocrinology
Growth hormone secretagogues and endocrine-modulating peptides
Energy Support
Compounds researched for mitochondrial function and cellular energy
Immunomodulator
Thymic peptides and immune system research compounds
Longevity
Peptides studied for telomere and senescence-related research
Metabolic Regulation
Compounds investigated for metabolic pathway modulation
Nootropic
Neuropeptides researched for cognitive and neurological function
Reproductive Health
Peptides studied for reproductive and endocrine function
Sleep/Circadian Rhythm
Compounds researched for sleep regulation and circadian biology
Tissue Repair & Regeneration
Peptides investigated for wound healing and tissue recovery
Weight Management
GLP-1 receptor agonists and metabolic research peptides
Clearance
Discounted research compounds while supplies last
Accessories
Lab essentials for peptide reconstitution and storage
Customer Rating
Verified Purity
Shipping Over $200
Shipping Before 2PM EST