★ Most invoiced
Research Use Only, proven pure.
Research-grade peptides for in-vitro research and laboratory applications. 124 published lab certificates, 99%+ purity, identity-verified, third-party tested in the USA.
The compounds researchers invoice most.
View all compounds
NewVolume Pricing for Labs
Stocking the lab? Up to 50% off at volume.
10+ units of any compound qualifies for 40% off. Reach 50 and every unit of that compound is 50% off.
- 10+ units · 40% off
- 50+ units · 50% off
- Free 2-day signed delivery
TFL-3
10 units
40% off applied
$419.90Save $280.00
No recurring commitment. An adult signs on delivery.
Intended research applications.
- 01Cell Culture Models
- 02Protein Analysis
- 03Receptor Research
- 04Biochemical Assays
Research-grade, with documentation.
Research peptide FAQs.
Can Twentyfold Labs peptides be used on humans or animals?
No. Every product is sold strictly for in-vitro research, laboratory experimentation, and educational use. Products are not intended for human, veterinary, or food use, and are not drugs or dietary supplements.
Do your research peptides come with a Certificate of Analysis?
Yes. Every batch is 10x tested at an independent ISO 17025 accredited U.S. laboratory, and a Certificate of Analysis with the full 10-assay panel is published for each lot.
How quickly do invoices ship?
Invoices are processed within 0-2 business days and standard delivery arrives in 1-4 business days, with 2-day and overnight options available. Every invoice includes shipment protection. See our shipping page for delivery options and rates.
Who is eligible to purchase from Twentyfold Labs?
By finalizing an invoice, you confirm that you are a qualified researcher or are purchasing for legitimate research purposes, and you agree to handle all products in accordance with applicable laws and regulations.
Researcher responsibility.
By purchasing from Twentyfold Labs, you acknowledge that you are a qualified researcher or are purchasing for legitimate research purposes, and you agree to use all products in accordance with applicable laws and regulations.
Research compounds for your lab, with the documentation and supply continuity your procurement team expects.
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