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As you know cobalt and is listed as a prohibited substance from the 1st January 2015 under the S2 group PEPTIDE HORMONES, GROWTH FACTORS, RELATED SUBSTANCES AND MIMETICS IN the WADA Prohibited List.

Cobalt is increasingly being found in vitamins and nutritional supplements therefore the IWF is advising all Member federation and Athletes to carefully review all used products in the light of the new list.