Jamieson Laboratories is Canada's most trusted vitamin and natural health product manufacturer since 1922. Our portfolio of m ... ore than 280 natural health products supports vitality and promotes optimal wellness for the entire family. All Jamieson products contain only the highest-quality ingredients from a worldwide network of natural-source suppliers. We conduct our own research, testing, manufacturing, packaging and distribution at our state-of-the-art facilities in Windsor, Ontario, Canada. All formulas are produced according to our 360 Pure promise, guaranteeing a minimum of 360 quality-control tests to ensure full potency and absolute clinical purity. Jamieson Laboratories is a division of Jamieson Wellness Inc. read more