Rexall Timed Release Vitamin B-12 1000 mcg Tablets offer a convenient way to add vitamin B-12 to your daily routine. Each tablet provides 1,000 mcg of vitamin B-12 in a timed-release formula. This Dollar General item is packaged as a dietary supplement and is designed for adults looking for an easy tablet option. The bottle also indicates a vegan formula and lists no gluten, wheat, yeast, milk, lactose, soy, artificial color, artificial flavor, artificial sweetener, or preservatives.