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What is "With code X · list $Y" under a price?

A public discount code lowers that listing's price, so the row shows the price with the code applied. Underneath, "With code X" names the code and "list" gives the vendor's price before it.

The price per milligram uses the code price, and that row is sorted by the same arithmetic as every other row.

From: Methodology › Reading a price row

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All products listed are sold by third-party vendors for laboratory and research use only (RUO). Where an FDA label or a peer-reviewed study has published a dose, pepmg reports it with the source named, because that is safer than guessing. It is a report, not medical advice and not a recommendation to use anything. pepmg sells nothing and ships nothing. Listings are price-tracking data, not endorsements.