Quality of Life Labs (QOL) was established with the mission to provide American consumers with access to AHCC® and other life-changing nutraceutical ingredients. For over a decade, QOL has been the leader in bringing clinically backed ingredients in finished product form to the global market. QOL's guarantee is that without exception, every single ingredient in every single one of our formulas is backed by human clinical studies and delivered in dosages consistent with research.