Our products are manufactured in a GMP-certified facility with finished product testing for microbial contamination, heavy metals, physical properties, potency/analytical testing, and compliance with being gluten free, dairy free, vegan, non-GMO, sugar free, allergen free, artificial color free, soy free, nut free, and active yeast free. Every Product meets the same standard Dr. Oskin uses for his own children. Please consult your child's physician.