Pure® Vegan Dietary Supplement Certified Vegan Gluten Free Non GMO Cruelty-Free A potent, 15-day intestinal cleanse that protects your gut and restores microbial balance. Being better. It's something we all strive to do. It's not about perfection, just being a little better. At NB Pure, that's what's driven us for over 25 years. Since all of our products are made by us, we can ensure they're made from the best all-natural ingredients this planet can offer. NB Pure is here to help you become the best version of you by being the best supplements for you. The first step on your wellness journey.