Vitals Immune Formula Pro Immune Formula Pro is a complete formula with the most important nutrients that support the functioning of the immune system. It contains vitamins A, C, D, selenium and zinc, all of which have a positive influence on the resistance in their own way. One capsule contains the amounts needed for daily support. In situations where there is an increased need, it is possible to temporarily increase the dose to two per day. Unique to this product is the high dose of quercetin in the highly absorbable phytosomal form (Quercefit®). Furthermore, this formula offers ease of use because all these nutrients in these doses are together in one capsule, so that in many cases one supplement is sufficient for effective support of the immune system. Where possible, Immune Formula Pro has chosen branded ingredients of the highest quality and with the best scientific substantiation.