Rhubarb (Vitamin C)A spring favourite and great source of vitamin C (as are strawberries). Vitamin C has an anti-histamine effect.
Probiotics are helpful microbes that live in and on your body. Along the lining of your gut, probiotics can talk to your immune system which lies just underneath the lining. In fact, probiotics are such good friends to the immune system, they help calm it and support it. In other words, probiotics help get your immune system to stop over-reacting to allergens and launch a more appropriate assault that doesn't leave you itching and sneezing.
A source of magnesium and vitamin E, which helps with the growth and transformation of B-lymphocytes, and promotes antibody production respectively.
A source of many minerals including selenium which is required for antibody formation, as well as zinc which supports lymph tissue and T-cell populations.