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Ashwagandha KSM-66 : 12,500mg Daily Super High Strength Ashwagandha - 5% Withanolides - Equivalent 1000mg Extract - No Artificial Fillers or Binders - Organic Withania Somnifera Root - UK Made
swiss bioenergetics

Ashwagandha KSM-66 : 12,500mg Daily Super High Strength Ashwagandha - 5% Withanolides - Equivalent 1000mg Extract - No Artificial Fillers or Binders - Organic Withania Somnifera Root - UK Made

★4.3 / 5 ★★★★☆ on Amazon · 204 customer ratings · recorded 27 Jul 2026
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Live Amazon price · product details checked 5 September 2026

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Overview

swiss bioenergetics Ashwagandha KSM-66: 12,500mg Daily Super High sits on our ashwagandha shelf, where the ranking comes from what buyers actually said rather than from what the box says. From the seller's own listing: Swiss BioEnergetics Ashwagandha KSM-66 contains 1000mg of Organic KSM-66 Ashwagandha extract per serving, which is considered the ‘World’s Best Ashwagandha’. Award Winning KSM-66 Ashwagandha is the extract by Ixoreal Biomed, created via a process that took 14 years of R&D to develop and refine. That is the maker talking, not us, so read it as a claim rather than a finding. 204 ratings put it at 4.3 out of 5. The comparison with the rest of the shelf follows.

At a glance
Brand
swiss bioenergetics
Amazon rating
4.3 out of 5, from 204 ratings
Against the shelf
0.2 below the ashwagandha median of 4.5
Our placing
44 of 49, weighted for how many people rated it
Where the price sits
Dearer end of a shelf running £3.99 to £38.00
How settled
A middling number of ratings for this shelf

How it compares on the ashwagandha shelf

We track 49 rated ashwagandha products, and the middle of that pack scores 4.5 out of 5. This one is on 4.3. Bottom quarter of the shelf. Not a red flag by itself, but similar money buys a better-rated option here, so the case for this one has to come from somewhere else.

204 people rated it, where the shelf median is 414. Enough reviews to trust the direction, not enough to close the question.

The shelf runs from £3.99 to £38.00 and the midpoint is about £9.99. On price, this one is in the top third. Paying above the middle of the shelf needs a reason the star rating does not supply, because on ratings alone the extra money is not buying an advantage here.

Worked out from the 49 ashwagandha products we track, not from the brand's own claims. How we rank →

Key features, as the manufacturer lists them

Taken from the product listing via Amazon's product API. These are the seller's claims, not our test results.

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