KAL Vitamin B-12 Methylcobalamin Lozenges 1000mcg, Healthy Energy, Metabolism, Nerve & Red Blood Cell Support,* Optimal Absorption, Natural Berry Flavor, Vegan, Sugar Free, 60 Servings, 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.