Douglas Laboratories has been developing and manufacturing high quality nutritional supplements for over 50 years. They manufacture their products in their 150,000 square foot, GMP-compliant, and ISO accredited facility located in Pittsburgh, PA, USA. The vast majority of their dietary supplements are free from all the common allergens including (but not limited to) soy, yeast, gluten, dairy, sugar, and corn. Their nutrients are also free of artificial coloring, flavoring, and preservatives.
Douglas Laboratories products are eligible for additional ways to save: