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  • Get the sunshine vitamin the safe way. Natural Factors’ Vitamin D3 1,000 IU (25 mcg) delivers your daily dose of vitamin D
  • Supports strong bones and teeth, helps regulate the immune system and encourages healthy nerve and muscle function
  • Take just 1 easy-to-swallow tablet daily. Formulated for the highest level of quality and consistency.
  • Helps you absorb more calcium and phosphorus from your food for even more bone support
  • Third-party certified and independently tested for GMOs and over 700 contaminants using advanced technology such as mass spectrometry to ensure purity and potency