Extract of various species of wild roses, rich in vitamin C.

GoldBamboo

... Because fresh rose hips contain significant amounts of vitamin C, which is also known as ascorbic acid, they have been promoted for the prevention and treatment of the common cold. While no scientific evidence supports the theory that large doses of vitamin C can increase the body''s resistance to colds or any other conditions, their high content of vitamin C and other nutrients such as folate makes rose hips a common ingredient in multiple vitamin products. The amount of nutrients in rose hips depends on the species of rose and on the growing conditions. In addition, their vitamin C content decreases with drying, processing, and storage; therefore, commercially available "natural" vitamins containing rose hips frequently also include vitamin C from synthetic sources. ...
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