How We Test

Vendor testing

Only vendors I have personally ordered from, tested and can vouch for are listed. More vendors will be added only after they go through the same process.

[Describe your process here — for example: how many orders you placed, what you checked (packaging, labeling, batch numbers, COAs), and whether any samples were sent to an independent lab. Only include steps you actually do.]

Pricing

Each vendor's listed price, vial size and stock status are collected automatically from their public store twice a day, at noon and midnight Central Time, along with their published lab results (COAs). Price per mg = price ÷ (mg per vial × vials per pack). Where a vendor offers a public coupon code, the $/mg shown includes it and the pre-coupon price is shown struck through. Blends, capsules, tablets and sprays are excluded because they can't be compared per mg. Always confirm prices on the vendor's site.

Badges

• Verified — a vendor I have personally tested and vouch for.
• Batch #s — the vendor shows batch numbers on product pages.
• Purity Verified — shown only when independent lab results for multiple batches have been reviewed.

Reviews

Reviews come from registered users. Uploading proof of purchase earns a Verified Customer badge; proof is checked privately and deleted afterwards. We don't pay for reviews, don't offer giveaway entries for reviews, and don't remove honest negative reviews. Vendors can't edit or delete reviews.