From what I have seen yes there is, while I never had it as bad as your situation I am hoping I can help you out. Try Alpha-Lipoic Acid supplements. You can get them on Amazon or at vitamins stores like gnc. It helps to improve nerve functions in your nervous system which is related to the loss of taste and smell. It also has a ton of other health benefits as well. Worth a try and if anything it’s still good for you :) good luck friend hope it helps!