Research peptides,
verified batch by batch.
Research-grade peptides, manufactured and verified in the USA. Seven-layer tested with a Certificate of Analysis on every lot — supplied wholesale to clinics, spas, and modern practices.
The TK Peptides guarantee
Documented quality for research and laboratory use — every order, every time.
Featured products
Batch-verified research compounds, ready to order.
Full catalog
Order directly — no account needed. Add to cart and check out; we fulfill and ship straight to you.
GLP-1 & Metabolic
Research Peptides
Peptide Blends
Nasal Sprays
Bioregulators
Lab Supplies
Everything your practice needs to order well
TK Peptides handles sourcing, testing, and fulfillment so ordering research products is the easiest part of your week.
Browse the catalog, add to cart, and check out — your account keeps order history so reorders take seconds.
Sign in to see the pricing set for your practice. No haggling, no surprises — what you see is what you pay.
Orders are typically processed in 1–2 business days and ship with tracking, in packaging built to protect the product.
Open the current Certificate of Analysis from any product page — quality you can show, not just take on faith.
Questions about an order or a product? A real person replies at tdavis@txpetinv.com.
Tested before it ever ships.
Purity isn't a marketing line — it's a document. Every lot is tested before release, and the paperwork travels with the product.
- Identity and purity verified on every lot before release
- Lot-matched Certificate of Analysis available on each product page
- Full traceability from manufacture to your door
Seven layers of testing.
Every lot earns its label.
Most suppliers ship on a supplier's word. Every batch here clears seven independent analytical checkpoints before it's ever listed — and if any layer fails, that batch never reaches you. Research use only.
Why practices choose TK Peptides
Frequently asked questions
Everything a clinic, spa, or wholesale buyer needs to know before ordering.
Is TK Peptides a wholesale peptide supplier for clinics?
Yes. TK Peptides supplies research-grade peptides at wholesale to clinics, medical and wellness spas, longevity and functional-medicine practices, and research organizations, with direct online ordering for verified accounts.
Are your products batch-tested, and is a Certificate of Analysis available?
Every lot is tested for identity and purity before it ships, and a lot-matched Certificate of Analysis is available — you'll find the current COA on each product page. All products are supplied for research and laboratory use only.
How do I get my account pricing with TK Peptides?
Sign in to see the pricing set for your account — the catalog shows your prices and you can order directly. If your practice doesn't have an account yet, reach out to tdavis@txpetinv.com and our team will get you set up.
Where are the products manufactured?
Products use pharmaceutical-grade active ingredient and are manufactured in the United States under strict, documented quality control, then tested before any vial leaves the facility.
How fast do orders ship?
Orders are typically processed within one to two business days and ship from a U.S. facility in protective packaging, with tracking provided when your order ships.
Are these products safe for human use?
No. All products are sold strictly for laboratory and research use only (RUO). They are not drugs, foods, supplements, or cosmetics, are not approved by the FDA, and are not intended to diagnose, treat, cure, or prevent any disease, or for human or veterinary consumption.