Zeaxanthin science falls short for safe supplements use (Nutraingredients.com) Fri, 27 Jun 2008 14:23:04 GMT EFSA's Panel on Dietetic Products, Nutrition and Allergies (DPNA) found that supplements that contained zeaxanthin at levels up to 20mg would exceed average intakes by up to 100 times and therefore said a safe limit of 20mg could not be established.
