Pioneer 1+ Vitamin Mineral complex has a variety of benefits. Flexible servings: a complete, hypoallergenic, one-per-day that can be safely taken twice a day.High levels of free-radical fghting antioxidants: Vitamins A, C, E, beta carotene and selenium.Excellent absorption and utilization of nutrients.B-coenzymes.Multiple sources of nutrients to accommodate people's differing abilities to absorb nutrients.Rich natural sources of trace minerals and micronutrients.Green foods: spirulina, blue-green algae and barley grass.