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About the Company: At QOL Labs, we make the highest quality choice at every single juncture. We believe that a product is only as good as the choices that go into producing it, which is why every single ingredient we use in our formulas is backed by human clinical studies. This principle is the foundation of our company: Quality = Efficacy + Safety

Top Selling Products

150 Bifilon by QOL Labs

Bifilon by QOL Labs

A simple, cost-effective, and totally natural way to restore balance to your digestive tract: probiotics. Bifilon® is a probiotic supplement that provides a natural defense against episodic digestive upsets, including constipation, diarrhea, abdominal discomfort, gas, and bloating.

100 Presiquel BP by QOL Labs

Presiquel BP by QOL Labs

Presiquel™ BP is derived from a naturally occurring component of milk protein called casein. It helps maintain blood pressure already within healthy range by inhibiting an enzyme, thus helping promote normal blood flow.* The active constituents in casein are the tripeptides Valyl-Prolyl-Proline (VPP) and Isoleucyl-Prolyl-Proline (IPP).

150 Immunokinoko 750 by QOL Labs

ImmunoKinoko by QOL Labs

Active Hexose Correlated Compound (AHCC®, the active ingredient in ImmunoKinoko®), an extract obtained from a hybridization of several subspecies of medicinal mushrooms, is different. Supported by over 20 human clinical studies at respected medical institutions — including Yale Medical School, MD Anderson, UC Davis, and the Harvard-affiliated Brigham and Women’s Hospital — AHCC is the world’s most researched specialty immune supplement.