Vegetarian, Dry Structural Support Helps Maintain Strong Bones Supports Dental Health Non-GMO A Dietary Supplement Vegetarian/Vegan Vitamins Family Owned Since 1968 GMP Quality Assured Vitamin D-2, or Ergocalciferol, is a vegetable-based form of Vitamin D that can help to maintain optimal levels of vitamin D in the body. Vitamin D enhances the uptake of calcium from the diet, is critical for bone health, and promotes dental health.