Could a vitamin deficiency cause 'double jointedness' and hypermobile Ehlers Danlos syndrome? first person I've ever met in real life with CLASSICAL Ehlers Danlos Syndrome! Safe to say we're likenot quirky and original at all we're actually carbon copies of each other #Ehlersdanlos#ehlersdanlossyndrome#eds#hypermobility#hypermobile#hsd Ehlers Danlos syndrome (EDS) is a group of 13 related genetic (heritable) connective tissue disorders. EDS, particularly the hypermobile type (hEDS), frequently overlaps with Postural Orthostatic Tachycardia Syndrome (POTS) and Mast Cell Activation IV Fluids and Supplements for Ehlers Danlos Syndromes