Check the seller and product
Look for the seller’s name, contact details, and a full product description. The photos should match the listed pack size and product label.
Ask for the COA
Ask for the COA for the lot you will receive.
Check the cost and delivery
Before paying, check the total price, where the seller ships, the delivery estimate, and the return policy. Keep your order confirmation and a copy of the listing.
Bacpack
Bacpack offers packs of 3, 6, and 12 vials. Compare pack prices and view our third-party COAs.
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