The official website does not list any side effects that one might experience after taking<unk>  aside from "some sensitivity to any of the vitamins or herbal extracts", but people who might be allergic to one of the ingredients of the product are advised to avoid using it or to consult a doctor. Also, people who are taking another type of medication at the same time or who suffer different medical conditions should consult a physician before taking<unk>  Side effects from vitamin overdoses may occur, especially in patients with kidney failure. In very large doses, vitamin C in kidney-failure patients can cause severe side effects such as oxalate deposits in bone and soft tissues and may interfere with the absorption and metabolism of vitamin B12. The product contains 1 g of vitamin C per serving and a recommendation to take up to three servings per day. However, the Institute of Medicine states in the Dietary Reference Intakes that vitamin C consumption should not exceed 2 g/day.
Airborne 
Dental aerosol
Injection 
Deep clean 
Inhalation
Respiratory droplet
Bolus 
Cathartic