Jarrow Formulas® Vitamin D3 provides cholecalciferol, the most bioavailable form of vitamin D. Vitamin D3 is converted by kidneys into the hormone calcitriol, 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.

You love organic food...what about your supplements? Source of Life Garden Vitamins D3 & K2-certified organic and vegan-provides the immune system support of D3 with the bone support of K2, optimized for maximum effect. Get back to the garden!

• 2000 IU of vitamin D3 as cholecalciferol from Certified Organic Food Algae
• 100 mcg of vitamin K2 as menaquinone-7
• A base of more than 20 whole foods, such as blueberry, chlorella, flax, kale sprout, maitake mushroom, spinach and spirulina-all uncooked, fully certified organic and garden grown
• Synergistic combination promotes bone health

Solaray Dietary Supplement Super Bio D-3 5,000 IU in Non-GMO Coconut Oil.

• 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.