date:Aug 27, 2013
ore of the vitamin C potency is lost while drying the rose hips for teas or powders that are added to ascorbic acid supplements. That makes under one gram of rose hips powder an even slimmer source of vitamin C.
A rose hip human trial for reducing cardiac and diabetes risk
A human rose hip trial was conducted by Sweden's Department of Experimental Medical Science, Lund University, where they used much higher amounts of rose hip powder than what you see on many vitamin C supplements.
The study