Suggest Food And Medicines For Headache And Hyper Acidity Due To PMS

hi doc, i am cely, 50 yrs.old 5'1 in height and weighs 84lbs. i am suffering from headaches due to PMS and i also am hyperacidic. the doctor said i have also hypothyroidism. is it okay if i take MX3 herbal food supplement?it is from a garcinia mangostana fruit. i had been taking multivitamins (ferrous with bcomplex and folic acid) but i still feel the symptoms. what food and medicines should i take?thanks for your advice.