High-Quality Vitamin C supports healthy skin, sleep, immune system, and normal allergy reactions. Choose your favourite! Capsules, Chewable Tablets, Powder, or Liposomal! Our 4 Histamine-C products are slightly different. They all contain the highest-quality Vitamin C. Capsules 4 capsules contain 1,260mg of Vitamin C, along with a myriad of bioflavonoids, including Green Tea Extract, and Red Wine Extract. (no alcohol) Vitamin C regulates a normal histamine response in the body. There are histamine receptors in 3 major areas of the body, which can be supported with sufficient, daily Vitamin C supplementation. H1 receptors These histamine receptors create common allergy symptoms, such as eczema, runny nose, watery eyes. Vitamin C nourishes healthy skin and normal allergy response. H2 receptors These histamine receptors are located in the stomach and create stomach acid output. Vitamin C supports a normal level of acid production and can be used by those who believe there is too much acidity in their stomach or esophagus. H3 receptors These surprise histamine receptors are located in the brain and create excitability and insomnia. If your child ever became wired and hyper on anti-histamines such as Benadryl, then Vitamin C could be great for you! Vitamin C supports a normal mood and healthy levels of sleep.