For 40 years, Allergy Research has been known for the highest quality, most hypoallergenic, and most cutting-edge nutritional supplements available. Physicians and healthcare practitioners around the world depend on Allergy Research Group® for their patients' nutritional support. Originating with the ground-breaking oxidant/antioxidant work of Stephen Levine, Ph.D., one of the first to introduce truly hypoallergenic products to the market. Forty years of experience formulating original and leading-edge products. Unique and innovative products using scientific evidence-based research. Third-party testing with certified independent analytical laboratories. Products meet or exceed cGMP requirements established by the FDA. Allergy Research supplements are hypoallergenic products and contain natural ingredients.