Live Amazon price · product details checked 5 September 2026
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BULK POWDERS Bulk Magnesium Glycinate 3-in-1 Complex | 1800mg is one of 49 magnesium products on our shelf, compared on what buyers rated it, how many of them there were, and what it costs today. Here is how the maker describes it: Combines magnesium bisglycinate, citrate, and malate — three highly bioavailable forms that work together to maximise uptake and effectiveness. Contributes to normal muscle function and protein synthesis — ideal for active lifestyles and post-training muscle repair. That is the maker talking, not us, so read it as a claim rather than a finding. It holds 4.4 out of 5 on Amazon from 724 ratings. Where that leaves it next to the rest of the shelf is set out below.
Shelf price range checked · details
Across the 48 rated magnesium products we track, the middle of the pack sits at 4.5 out of 5. This one scores 4.4. That's inside the bottom quarter of the shelf. It isn't a warning, but better-rated options do sit alongside it at similar money, so you would want a specific reason to pick this one.
Behind that score sit 724 ratings, against a shelf median of 2,000. That's a solid enough base to read the score, though not enough to settle it.
Price-wise it falls in the bottom third of a shelf that stretches £4.99 to £35.00, with £9.99 in the middle. Buying at the cheap end is fine as long as the rating stands up. Here it does not quite, so check what has been cut before assuming the saving is free.
Shelf prices checked · details
Worked out from the 49 magnesium products we track, not from the brand's own claims. How we rank →
Taken from the product listing via Amazon's product API. These are the seller's claims, not our test results.
Short on time? Our best magnesium supplement uk shortlist narrows this shelf down to a handful.
