Daily Vitamin C recommendations vary significantly worldwide even though the data underlying them are broadly the same, according to a new ‘Mind the Gap’ resource from IADSA, the international alliance for the supplement sector. Research shows an almost threefold difference between the lowest and the highest recommendations for vitamin C issued by national and regional health authorities. Some scientists are now calling for an alignment of guidance to help people attain optimum vitamin C … [Read more...] about IADSA highlights major discrepancies in global vitamin C guidance