ÖkoTest

Health & Medicine

Vitamin D preparations: Öko-Test sharply criticizes dietary supplements

Willy Lewis, M.D. - January 2, 2025

Health & Medicine

Vitamin D preparations: Öko-Test makes a devastating verdict on dietary supplements

Willy Lewis, M.D. - December 27, 2024

Health & Medicine

Öko-Test tampons: How good are ob, Jessa & Co.?

Willy Lewis, M.D. - August 21, 2024

Health & Medicine

Mattress test winners 2023: The winners from Stiftung Warentest and Öko-Test

Willy Lewis, M.D. - September 29, 2023

Health & Medicine

Mattress test: Winner at Stiftung Warentest and Öko-Test 2023

Willy Lewis, M.D. - June 6, 2023

Health & Medicine

Mattresses: The test winners from Stiftung Warentest and Öko-Test 2023

Willy Lewis, M.D. - April 25, 2023

Health & Medicine

Vitamin B12 preparations at Öko-Test: Most expensive preparation “insufficient”

Willy Lewis, M.D. - March 24, 2023

Health & Medicine

Vitamin B12 preparations at Öko-Test: How good are Doppelherz, Dr. Jacob’s, Vitamaze and Co.?

Willy Lewis, M.D. - January 26, 2023

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