Ortho Molecular Products Natural D-Hist Multivitamin Capsule is a unisex dietary supplement designed for allergy support. With active ingredients such as Vitamin C, Bromelain, N-Acetyl L-Cysteine, and Quercetin, this capsule formulation provides essential nutrients to help promote a healthy immune system. It is free from artificial flavors, colors, and various allergens such as tree nuts, shellfish, fish, and more. This product is suitable for individuals looking to enhance their overall wellness and support their immune system with a natural and effective supplement.