Dr. Becker's BioNutrients Vitamin D3 - Vitamin D works both as a vitamin and a hormone. Vitamin D3 or cholecalciferol is the most effective form of the Vitamin D for supplementation. Vitamin D deficiencies are widespread among all age groups.
Dr. Becker's BioNutrients Vitamin D3 - Vitamin D works both as a vitamin and a hormone. Vitamin D3 or cholecalciferol is the most effective form of the Vitamin D for supplementation. Vitamin D deficiencies are widespread among all age groups.