ÖkoTest

Health & Medicine

Magnesium preparations: Öko-Test confirms “no additional health benefits”

Willy Lewis, M.D. - June 8, 2026

Health & Medicine

Magnesium preparations: Öko-Test confirms “no additional health benefits”

Willy Lewis, M.D. - June 4, 2026

Health & Medicine

Magnesium preparations: Öko-Test confirms “no additional health benefits”

Willy Lewis, M.D. - June 1, 2026

Health & Medicine

Overdosed and “no additional health benefit”: Öko-Test criticizes magnesium preparations in a row

Willy Lewis, M.D. - May 28, 2026

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

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