Live Amazon price · product details checked 5 September 2026
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We keep Known 1000mg High Strength Vitamin C (Ascorbic Acid) on our vitamin c shelf alongside 50 others, and rank it on rating, review volume and live price rather than on the brand. The manufacturer puts it this way: Each gummy delivers a high-strength 1000mg dose of Vitamin C, providing daily support for immune health, energy and collagen. Vitamin C contributes to the normal function of the immune system, making it a valuable addition to your wellness routine (EFSA). That is the maker talking, not us, so read it as a claim rather than a finding. On Amazon it sits at 4.4 out of 5 across 216 ratings. How that compares with the rest of the shelf is below.
The typical vitamin c product on our shelf scores 4.6 out of 5, measured across 51 rated products. This one comes in at 4.4. That lands in the bottom quarter. Nothing alarming on its own, though at this money you can find better-rated neighbours, so there should be a particular reason for choosing it.
That score rests on 216 ratings. The median for this shelf is 1,200. That's a thin base for this shelf. A score from a small number of buyers can move a long way on a handful of new reviews, so treat it as a first impression rather than a settled verdict.
On money, this sits in the middle third of a shelf running from £4.87 to £73.00, with the midpoint around £9.99. That's where most sensible buys land, neither the cheapest thing on the shelf nor the one you pay a name for.
Worked out from the 51 vitamin c 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.
