Why Choose Mad Science Labs?
We are committed to providing researchers with the highest quality peptides, backed by rigorous third-party testing and complete transparency.
🔬 Third-Party Tested
Every product comes with a Certificate of Analysis (COA) from an independent lab — guaranteed. Each batch is also screened for endotoxins and heavy metals.
⚗️ >99% Purity
Our strict quality control ensures every peptide meets the highest purity standards for research accuracy.
🚚 Fast Shipping
Orders placed Monday–Friday before 3pm CT ship the next business day. Orders placed after 3pm CT Friday through Sunday ship the following Tuesday.
💰 Competitive Pricing
Research-grade peptides shouldn’t break the bank. Mad science. Sane prices.
Featured Research Peptides
All Products For Research Use Only — Not For Human Consumption
Powered by Science. Driven by Results.
Mad Science Labs Peptides was founded to give researchers access to premium-grade peptides without the premium price tag. Every batch is independently tested and fully documented.
99%+
Purity Guaranteed
100%
COA Verified
FAST
Next-Day Shipping
⚠️ RESEARCH USE ONLY DISCLAIMER: All products sold by Mad Science Labs Peptides are strictly intended for research purposes only. These products are NOT intended for human or animal consumption, diagnostic, therapeutic, or medicinal use. They are not FDA approved. By purchasing, you confirm you are a qualified researcher using these compounds solely for legal research purposes. All sales are final.
Everything You Need to Know
Research Use Only
All MSL products are sold strictly for in laboratory research use. Not for human, veterinary, medical, diagnostic, or therapeutic use. By ordering, you agree to our terms.
Processing & Shipping
Orders placed Monday–Friday before 3pm CT ship the next business day. Orders placed after 3pm CT Friday through Sunday ship the following Tuesday. We work fast — after that, it’s in the carrier’s hands.
COA & Testing
All products are third-party tested and results are verifiable. You can find the Certificate of Analysis directly on each individual product page.
Order Policy
All sales are final — no refunds or exchanges. Please review your order carefully before checkout. We accept Zelle, Venmo, and CashApp. We now also accept credit and debit cards through NexaPay’s secure checkout. All sales are final. By purchasing you confirm you are a qualified researcher. Credit and debit card payments are securely processed through NexaPay. During checkout, your payment is converted and sent to us automatically—you never handle cryptocurrency yourself. This process helps improve approval rates by processing the transaction as a cryptocurrency purchase. Mad Science Labs covers all processing fees.