Vitamin C (in the form of sodium ascorbate powder), which acts as a natural antihistamine, may also be introduced when allergies are suspected. (second-opinion-doc.com)
Vitamin C for dogs should be in a buffered form, which means that it should be received via Calcium Ascorbate instead of Ascorbic Acid (vitamin C for humans). (organic-pet-digest.com)
Stabilized, lipid - soluble vitamin C, also known as tetrahexyldecyl ascorbate, is also one of the best antioxidants for nighttime skin care. (liveinthenow.com)