this company will bill your for the product, before you had a change to try it. they tell you you have 14 days, but the words are 30 days free trail period. that 14 days include your mailing period. then when you check with you dr. to see if you can use this product and you can't, you can return it. any product that stand behind what they believe should be able to take back unopen products. read full review »