Questions
What does “research use only (RUO)” mean?
Every product on this site is sold as a laboratory reagent for in-vitro research. It is not a drug, supplement or food, and is not for human or veterinary use. By ordering you confirm you are a qualified researcher, 21 or older, and accept the terms of sale.
How is purity verified?
Disclosed batches are covered by independent laboratory reports; the original report ID is shown where a shared batch is used. Verify the report before sale at https://testides.com/verify.
Where are the peptides made?
Brant Bio sources finished, labelled research reagents. We do not manufacture, fill, or vial on site. Orders are packaged and shipped from California.
Who is Brant Bio?
Brant Bio is a United States supplier of research peptides, founded in 2024. Products are sold as laboratory reagents for in-vitro research. Brant Bio is not a pharmacy and does not sell drugs, supplements, or food.
Where is Brant Bio located?
Brant Bio supplies from the United States. Brant Bio sources finished, labelled research reagents. We do not manufacture, fill, or vial on site. Orders are packaged and shipped from California. Orders placed before 2:00 PM ET on a business day dispatch the same day.
What does research use only (RUO) mean?
Every product is a laboratory reagent for in-vitro research. It is not for human or veterinary use, and not for diagnostic or therapeutic use. Brant Bio does not provide protocols, dosing, or medical advice.
How are lots tested?
Each production lot is sampled and sent to an independent US laboratory. That lab reports RP-HPLC purity and ESI-MS identity. Brant’s release specification is a minimum of 99% purity. A lot below specification is not released. The lot number on the vial (format BR-YYMM-NNNN) matches the certificate on the certificates page. The method write-up is at https://brantbio.com/third-party-testing/.
When does my order ship?
Orders placed before 2:00 PM ET on a business day dispatch the same day. Everything ships in plain, unbranded packaging with a lot-numbered packing slip.
How should vials be stored?
Lyophilized vials are stable at room temperature in transit. On receipt, store sealed vials at −20 °C, away from light.
How do volume discounts work?
Volume tiers apply to the total vial count in the cart, across any compounds: 3+ units −5 %, 5+ −10 %, 10+ −15 %. The discount appears as its own line in the cart.
What does shipping cost?
US shipping is $20 flat and free on orders over $350. Tracking is emailed when the label prints; most orders arrive in 2–4 business days.
What is your return policy?
We do not accept returns. Every vial is a lot-numbered research reagent, so once it has left our facility it cannot be restocked or resold. If something is wrong with your order, email orders@brantbio.com within 7 days after delivery — issues are resolved case by case.