We earn commission on purchases made through our links. It never affects ranking: tables are ordered purely by price per dose, and no retailer or brand can pay for position.We earn commission when you buy through our links. It never affects the ranking. Full disclosure.

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PerDose is a UK price comparison that ranks supplements by the price of one standard dose, worked out from each retailer's own listing; it earns commission on some links, which never changes the order.

Who to quote, and how to reach them

Patrick Linsdell, who runs PerDose. Email hello@perdose.co.uk. Post: Patrick Linsdell, 75 Gillbent Road, SK8 6NQ.

Any supplement can be run the way the reports are: every product at UK shops, priced per standard dose, with the method and the rows as a CSV. Ask for one.

Reports

Every figure on the site is in the open data under CC BY 4.0. How we compare sets out every rule, and the corrections log every figure we got wrong.

Coverage

None yet.

How the site earns

PerDose earns commission when a reader buys through some of its links to shops. It never changes the order of a table, and no retailer or brand can pay for a place. The disclosure and the page for retailers and brands say more.