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All brands

Brand

KOS

In our price lists, KOS shows up for 5 supplements – most often protein powder, other fiber supplements and açaí powder.

Distributed by (label)
KOS Inc., Santa Barbara, CA (NIH)
Website
kos.com

Logo from the brand’s own website, shown only to identify it. KOS doesn’t pay to be listed.

Our rating

Good

Average quality score of 25 products

Its products by quality score

  • 0 very good
  • 24 good
  • 1 fair
  • 0 low
How we rate brands

Full range

Every KOS product we checked

25 products in 5 supplements. The yellow tag is the cost for the same amount – and “#3 of 120” is its place in our price list, cheapest first.

Protein powder

20 products from KOS

Compare all 803 products

Other fiber supplements

2 products from KOS

Compare all 117 products

Açaí powder

1 product from KOS

Compare all 25 products

Greens powders

1 product from KOS

Compare all 209 products

Spirulina

1 product from KOS

Compare all 42 products

All brands

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How we rate brands

The rating is the average quality score of all its products we checked – what that score counts.

How we rate