Dietary Supplement. Vegan. Contains no yeast-derived ingredients, wheat, soy, dairy products, or preservatives. Since 1969. Immune system support. At Nature's Way, we believe nature knows best. That's why our mission is to seek out the best products the earth has to give. Any material we source is rigorously tested for adulterants and potency, so we can deliver quality without compromise and help you live healthier. It's not just our way, it's Nature's Way. naturesway.com. Questions? 1-800-9NATURE/naturesway.com. Bottles made from 97% post-consumer recycled plastic. These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Quality global sourcing. Bottles & tested in the USA.