• Calcium and Bone Metabolism
• Immune Function

Jarrow FORMULAS Vitamin D3 provides cholecalciferol, the most bioavailable form of vitamin D. Vitamin D3 is converted by kidneys into the hormone calcitrol, the active form of Vitamin D3. Vitamin D3 enhances calcium and phosphorus absorption, stimulates the synthesis of osteocalcin (an important structural protein in bone), and is involved in proper cell differentiation and immune response.

• Supports bone health
• Promotes a healthy immune response
• Free of gluten, dairy, soy, preservatives, and artificial colors or flavors

Our bodies manufacture vitamin D3 when our skin is exposed to sunlight. However, this ability decreases as we age. Why is this a problem? Vitamin D3 supports healthy calcium and phosphorous levels in the body for strong bones and a healthy immune response.

This Source Naturals supplement delivers 2,000 IU of the bioactive form of D3 to ensure your body has what it needs to support bone and immune health.

• Helps maintain healthy bone growth and density
• Supports healthy immune function
• Non-GMO and gluten-free

Vitamin D is essential for strong bones and healthy immune function, but getting enough of it from sunlight and diet can be a challenge. Life Extension created this high-potency supplement to help fill the gaps, delivering 125mcg (5,000 IU) of vitamin D3 in each easy-to-swallow softgel.