I would also try the vitamin E and thiamine or B complex. Here is a good buy:
https://www.walmart.com/ip/Spring-V...MIk5iG-M_ojwMV3E7_AR0bviaqEAQYASABEgKai_D_BwE
https://www.walmart.com/ip/NATURE-M...MIl7jxltDojwMVRVz_AR131iUzEAQYBSABEgI1PPD_BwE
https://www.walmart.com/ip/Spring-V...MIk5iG-M_ojwMV3E7_AR0bviaqEAQYASABEgKai_D_BwE
https://www.walmart.com/ip/NATURE-M...MIl7jxltDojwMVRVz_AR131iUzEAQYBSABEgI1PPD_BwE