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If you send clients a list of supplements, My stack turns it into one link: each product with its amount a day, what it costs a day at today's prices, and a button to buy it: at the shop you chose for it while that shop has it in stock, otherwise at the cheapest UK shop in stock.

Sharing a list

1. Add each product to My stack with how many a day. To keep one list per client apart from your own, add a stack for each under More: share, people, install.
2. Under Share my stack, give the list a name and, if you like, your name as "Prepared by". Today's date is added.
3. Copy the link and send it. Your client opens it with the name, your name and the date at the top, the cost a day at that day's prices, a buy button for each product, and a Print button. They can copy the list into their own My stack.

The list lives in the link itself, after the "#", which browsers never send to any server: we never see it or who it is for. Notes and what you paid stay on your device.

What it never does

• It says nothing about what a supplement does, and prints nothing you have not typed except product names, amounts and prices.
• It does not check who prepared a list. A name in "Prepared by" is the sender's own words.
• No shop pays to be the one on the button: it is the shop you chose, or the cheapest UK shop in stock that day. We earn commission when your client buys through it; it never changes which shop is shown.

The figures as a file

Every price we compare is in one CSV, and each table in its own file (for example magnesium bisglycinate), under the CC BY 4.0.Open data lists every file.

How to cite it

PerDose (2026). UK supplement prices per standard dose. https://perdose.co.uk/data/. CC BY 4.0.

Questions, or a feature your clients need: contact us. For retailers and brands, see For retailers and brands.