Sambucol Immuno Forte Capsules 30 capsule. A strong immune system helps to fight infections. Sambucol Immuno Forte is a scientifically tested formula containing proven ingredients which provide immune support to help keep you healthy all year round. Sambucol Immuno Forte Capsules contain Vitamin C & Zinc which strengthen the immune system.. The antioxidant properties of Zinc along with Black Elderberry & Vitamin C are proven to offer long term cell protection from free radical damage. Sambucol Immuno Forte Capsules: Made from real fruit juice. Sugar free & do not contain any artificial, flavours, sweeteners or gluten. Not suitable for vegetarians & vegans & can be used by adults over 12 years.