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
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Advanced Laboratory Testing
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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.
PopularGHK-Cu
Copper peptide GHK-Cu. Studied for skin remodeling, wound healing, and antioxidant activity.
PopularNAD+
Nicotinamide adenine dinucleotide. A coenzyme central to metabolism and cellular energy production.
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
Metabolic Research
Incretin receptor agonists and metabolic pathway research compounds
Tissue Repair Research
Peptides investigated for wound healing and tissue regeneration pathways
Growth Hormone Research
GHRH analogs, secretagogues, and pituitary axis research peptides
Longevity Research
Peptides studied for cellular senescence, telomere biology, and mitochondrial function
Nootropic Research
Neuropeptides investigated for cognitive function and neuroprotection
Inflammation Research
Compounds studied for cytokine signaling and inflammatory pathway modulation
Neuroendocrine Research
Peptides targeting hypothalamic-pituitary axis and melanocortin signaling
Immune Modulation Research
Thymic peptides and immune system research compounds
Circadian Research
Compounds studied for sleep regulation and circadian biology
Clearance
Discounted research compounds while supplies last
Accessories
Lab essentials for peptide reconstitution and storage
Verified Purity
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