cAN YOU TELL ME IF THIS PRODUCT WILL HELP. I HAVE ALL THE SYMPTOMS OF A THYROID PROBLEM, BUT MY BLOOD TESTS SAY IT IS NORMAL. i HAVE SUFFERED FOR ABOUT 5YEARS NOW, AND I AM DESPERATE. iT IS MAINLY MY CROAKYVOICE. I HAVE HAD MY VOCAL CORDS CHECKED AND THEY ARE NORMAL TOO. PLEASE HELP