There is evidence that various micronutrient deficiencies — for example, deficiencies of zinc, selenium, iron, copper, folic acid, and vitamins A, B6, C, and E — alter immune responses
That's why we've chosen these Lamberts products to help satisfy these needs and provide these nutrients because lamberts supplements are of professional quality, powerful and scientifically developed. Many people think of a strong immune system as simply helping to protect against colds. It is much more extensive than that but for people concerned about that might well consider Lamberts Echinacea Cold and Flu relief tablets.
There are a number of other brands of echinacea products, all of which can prove very effective.