• Allergy Research Group Butyren, 815mg – 100 Tablets
• These nutrients are of the highest quality and purity obtainable, free of all common allergens (antigens), and do not contain preservatives, diluents, or artificial additives.
• A source of butyric acid, calcium, and magnesium, in an enterically-coated tablet designed to release in the small intestine

ButyrEn 100 tabs