Source Naturals Vitamin D-3 Bioactve Form 1000 IU (25 mcg) – Supports Bone & Immune Health | 200 Tablets

Dietary supplement from Source Naturals delivering Vitamin D-3 to support immune function and strong bones. Each tablet provides 1000 IU (25 mcg) of Vitamin D-3 to help maintain calcium and phosphorus balance and support muscle strength in older adults. As indoor lifestyles can increase Vitamin D deficiency risk, this Vitamin D-3 helps address this essential hormone precursor role for overall health.