Crossword clues for __-Day vitamins 4 letters:ONEA-- Day vitaminsONEA__-Day vitaminsONEA___-Day vitaminsONEA___ Day (vitamin brand)ONEA__ -day vitaminONEA__-day (vitamin dose)ONEA__-day (vitamin dose, often)ONEA_____ -Day vitaminsONEA__-Day (vitamin brand)ONEA__ day (common vitamin dose)ONEA__ Day: Bayer vitamin brandONEA__-day (common vitamin dosage)ONEA__ day (frequent vitamin dose)ONCEA__ day (vitamin dosage)RDAAbout 90 mg. of vitamin C a day, e.g.