Live Amazon price · product details checked 5 September 2026
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Optimum Nutrition Micronised Creatine Monohydrate Powder, 634g | Unflavoured is one of 50 vitamins & supplements 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: 100% pure creatine monohydrate with a micronised formula that makes it easy to absorb, improves performance & muscle power during high-intensity training*; helps support ATP recycling. Fuels muscles during high-intensity workouts* while supporting performance across successive training sessions for both experienced athletes and beginners. That is the maker talking, not us, so read it as a claim rather than a finding. Buyers have it at 4.7 out of 5 from 14,200 ratings. We work out below what that is worth against everything else on the shelf.
The typical vitamins & supplements product on our shelf scores 4.5 out of 5, measured across 50 rated products. This one comes in at 4.7. That's inside the top quarter. Almost everything in this aisle rates well, so the useful signal isn't the score itself but how far above the pack it sits, and this one genuinely is. Weighted for review volume, we place it fourth on this shelf.
Behind that score sit 14,200 ratings, against a shelf median of 7,100. With that many opinions behind it the score won't move much, and it is difficult to manipulate. That is exactly why volume carries weight in our ranking.
The shelf runs from £3.45 to £38.98 and the midpoint is about £9.99. On price, this one is in the top third. It costs more than most and is rated above most, so the premium at least tracks something buyers recognise.
Worked out from the 50 vitamins & supplements products we track, not from the brand's own claims. How we rank →
Ratings gathered from public product pages at UK retailers. We link to each source so you can check.
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 vitamins & supplements shortlist narrows this shelf down to a handful.
