Frequently Asked Questions
What does “Research Use Only” mean?
All our products are intended strictly for in vitro laboratory research. They are not for human or animal consumption. By purchasing you confirm you are a licensed researcher or qualified professional.
How do I verify my COA?
Every product page has a downloadable COA PDF. Go to janoshik.com/verify and enter the batch number to independently confirm the result is genuine.
What testing do you perform?
Every batch is tested for: purity (HPLC), identity (mass spectrometry), and endotoxin levels (LAL assay). We require ≥98% HPLC purity minimum.
How do I reconstitute peptides for research?
Standard research practice uses bacteriostatic water. Add the desired volume slowly to the lyophilized powder and gently swirl — do not shake. Store reconstituted peptides at 4°C and use within 30 days or per your research protocol.
What payment methods do you accept?
We accept cryptocurrency (BTC, ETH, USDC, USDT) via Coinbase Commerce, and approved credit/debit cards. All transactions are processed securely.
How long does shipping take?
Orders ship within 1-2 business days. Standard US shipping: 3-5 business days. Express shipping available at checkout.
Do you ship internationally?
Currently US domestic orders only. International shipping coming soon.
What is your return policy?
30-day returns on unopened, untested products. See our full Refund Policy for details.
How should I store peptides?
Lyophilized (freeze-dried) peptides: Store at -20°C for long-term storage, or 4°C for up to 3 months. Keep away from moisture and light. Reconstituted peptides: 4°C, use within 30 days.