Breakfast, lunch & dinner

I'm having Thyroxine, Calcium Carbonate, Selenium + Zinc, B6, Evening Primrose Oil, Chondroitin + Glucosamine sulphate for daily breakfast, lunch & dinner..sometimes been prescribed for Naproxen ..and taking Nurofen .and still ...I can't totally cope ..I'm thinking to add Magnesium in the list..the cramps becoming more severe.....:(..