Sales of vitamins have risen steadily in supermarkets over the past year.
Select supplements, like fish oil, vitamin D and calcium are faring particularly well. So are liquid forms of everything from multivitamins to vitamin C with citrus bioflavonoids. Even vitamin E is making a comeback after medical claims of overdose deaths sent shoppers into a scare, retailers told SN.
While sales are up, some stores have noted a slight shift in shopper spending habi