 [ Symptoms ] when running i get a pulled vein in my leg stings to the touch is this a clot it turned blue green about 4 in long and bulging out and also has brusing [ Disease ] yes if you want to make sure your chiropractor makes lots of money there are no difference per se between the vitamins that you buy in a health food store or the one is that are privately labled and sold by your chiropractor for higher costs i have to tell you that in most cases vitamin supplements are not even necessary and are not therapeutic unless you have a demonstarted specific vitamin deficiency rare in the u s 