KAL Vitamin B-6 B-12 Folic Acid Supplement, B Vitamins for Healthy Energy, Heart & Red Blood Cell Support, w/Vitamin B12 Methylcobalamin and Folate, Natural Cherry, Gluten Free, 60 Serv, 60 Lozenges

Customers find the B vitamin supplement effective, with one mentioning it helped bring B-12 levels to normal. They appreciate its great taste, with one noting there's no aftertaste, and consider it good value for money.