Solgar Natural Cranberry with Vitamin C (60). Solgar Natural Cranberry Extract is a specialised formula containing cranberry and Vitamin C.. Cranberries are a native fruit to North America and are commonly used in American, European and Middle Eastern cuisines and are often found in dried form.. Vitamin C is a water soluble vitamin that helps fight free radicals and maintains a healthy immune system.. Solgar Natural Cranberry Extract comes in a 1-2 vegetable capsules a day dosage, providing cranberry powder derived from fresh cranberries, as well as Vitamin C, which contributes to:. The normal function of the immune system (including during and after intense physical exercise). Normal collagen formation for the normal function of bones, teeth and cartilage. Normal collagen formation for the normal function of skin. The protection of cells from oxidative stress. Normal functioning of the nervous system. Reduction of tiredness and fatigue. Increased iron absorption