Panto-c has been formulated to help combat the symptoms associated with seasonal allergies, which can range from mild eye irritation and congestion to a more severe reaction causing swelling and difficulty breathing.pantothenic acid (vitamin b5) plays an important role in the proper functioning of the adrenal glands and helps your body produce natural cortisone that counteracts allergens that can reduce allergic symptoms.vitamin c helps prevent the secretion of histamine, the compound that causes allergic symptoms and aids your body in detoxifying it.panto c contains another powerful ingredient; elderberry, which is rich in flavonoids and vitamins c, b1, b2 and b6, is an immune system stimulant, which is used to help fight off cold and flu symptoms including nasal congestion and mucous discharge. Elderberry consists of over 20 species, however the majority of scientific research has been conducted on sambucus nigra l. The elderberry used in panto-c. Panto c is flavored with a natural berry flavor, thus providing your child with a delicious and fun way to go about life without the difficulties of allergy symptoms.