Supports the immune system Doppelherz system Vitamin C 750 DEPOT is now available in convenient micro-pellets. Just one sachet a day supports the normal function of the immune system when there is an increased need for vitamin C. Zinc also contributes to the normal function of the immune system. The pellets have a fresh orange flavor and, thanks to their depot effect, release vitamin C into the body over time. Application: Place the contents of one sachet directly onto the tongue daily, allow it to dissolve slowly, and swallow.