Hi Marlene, yes I do eat jarrows 500mg under the tounge b-12 and a folic acid 800 the burning on my body as of now is not as bad as when it started,dont know if it has calmed down, the lipoic acid is getting to it? or I am just used to the feeling? The burning I am having a hard time with is my lips,tounge and top roof of my mouth, Seems to go away at nite but starts back up tn the morning and is not real bad during the day unless I drink coffee,have fruit salad or a spicy type of food. I hope the lipoc acid I got will work. Right now all the store had was alfa lipoic acid 200mg I eat 6 a day, I am gonna look for the other stuff online I guess r lipoic acid maybe better ? maybe knock some of this burn down?