01 · Check the pack size
Check how many vials are in the pack and how much each vial holds. For example, a Bacpack 3 pack contains three 30 mL vials.
02 · Read the product details
Check the product name, ingredients, intended use, storage instructions, and manufacturer. Ask the seller if anything is missing.
03 · Check the COA
A COA is a certificate of analysis. Match its lot number to the one on your product. Check who tested it, when it was tested, what tests were used, and the results.
04 · Add up the total cost
Compare the number of vials, pack price, shipping, and fees. A cheaper pack may cost more once shipping is added.
Compare cost per vial05 · Check shipping and returns
Check that the product is in stock, when it should arrive, whether you can return it, and how to contact the seller. Save a copy of the product details and return policy when you order.
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