Boots magnesium: every product priced per 100 mg
Boots has 2 magnesium products in stock that we price per dose. Its cheapest, Boots Magnesium 375mg 180 Tablets (3 month supply), costs 4p per 100 mg magnesium: 1st of 9 in the magnesium oxide table. That is the cheapest in the magnesium oxide table. Prices checked 15 October 2026.
- In stock at Boots
- 2and 1 out of stock
- Its cheapest
- 4pper 100 mg magnesium
- Place in its table
- 1stof 9 in the magnesium oxide table
- Cheapest anywhere
- 4pat Boots
Boots magnesium products
Every price is for the same standard dose and the products sit in the order of the magnesium oxide table: in stock first, then the price per dose. The place is where each product stands in that table across every UK shop.
Magnesium Oxide
| Product | Price | Per dose | A month | Place in its table |
|---|---|---|---|---|
| Boots Magnesium 375mg 180 Tablets (3 month supply)Details and price history | £12.85View at Boots (opens in a new tab) | 4pper 100 mg magnesium | £1.14 | 1st of 9 |
| Boots Magnesium 375mg 60 Tablets (1 Month Supply)Details and price history | £5.30View at Boots (opens in a new tab) | 5pper 100 mg magnesium | £1.41 | 2nd of 9 |
Magnesium Bisglycinate (glycinate)
| Product | Price | Per dose | A month | Place in its table |
|---|---|---|---|---|
| Boots Magnesium Bisglycinate 665mg, Food Supplement, 30 CapsulesDetails and price history | £7.50View at Boots (opens in a new tab) | 4pper 100 mg bisglycinate (glycinate) | £1.13 | 59th of 66 |
Each row says the day its price was checked. We earn commission when you buy through these links; it never affects the order.
Magnesium at other shops
- Healf114 products in stock, cheapest in the magnesium oxide table 8p per 100 mg magnesium
- ZipVit11 products in stock
- Myprotein10 products in stock, cheapest in the magnesium oxide table 5p per 100 mg magnesium
- VitaBright10 products in stock
- W-Wellness8 products in stock
Every shop's magnesium oxide prices · All of Boots's supplements · Boots's own range
Delivery at Boots: Free delivery over £25.00, otherwise £3.95. It depends on the rest of the order, so it is never counted in the prices above.
Questions about Boots's magnesium
How many magnesium products does Boots sell?
On 29 October 2026, we price 2 magnesium products at Boots that are in stock, and 1 more that are out of stock, in 2 forms. In the magnesium oxide table the ones in stock run from 4p to 5p per 100 mg magnesium. Boots' prices were last checked 15 October 2026.
What is the cheapest magnesium at Boots?
Boots Magnesium 375mg 180 Tablets (3 month supply), £12.85 for 180 tablets, which works out at 4p per 100 mg magnesium. That is 1st of 9 in the magnesium oxide table across UK shops, checked 15 October 2026.
Is Boots the cheapest place to buy magnesium?
On 29 October 2026, Boots' cheapest, Boots Magnesium 375mg 180 Tablets (3 month supply), is the cheapest in the magnesium oxide table, at 4p per 100 mg magnesium. Check the price on the shop's page before you buy: it changes. Boots' prices were last checked 15 October 2026.
Does Boots charge for delivery?
Boots' own rule: Free delivery over £25.00, otherwise £3.95. Delivery depends on the rest of the order, so it is shown beside the shop's prices and never counted in them.
How are Boots' magnesium prices compared with other shops'?
Every price is worked out for the same standard dose, one 100 mg dose, which is a unit for comparing prices and not a recommendation. A product is placed only against products of the same form, by price per dose, and the place shown is its place in that form's table across UK shops. We earn commission when you buy through our links; it never affects the order.
A standard dose is a unit for comparing prices, not a recommendation. How we compare· Prices by shop · All magnesium prices · Boots's prices last changed
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