Claims and Returns

In order to submit a claim, being logged in to your account, go to Submit a complaint  and then select the order for which you want to make a complaint.

If for any reason you are not satisfied with a product you purchased from www.mass-zone.eu, you may request a refund or replacement product. 

Please note that in order to return dietary supplements, due to health protection and hygiene reasons, the product must be in its original packaging, sealed and NOT opened. If you opened the product and are not satisfied with it, please file a claim instead of the return. 

For more information please contact [email protected] or call +48-668-207-098 (PL) or +48-668-207-096 (EN)