Vitamin K2 + D3 Capsules California Essentials Vitamin K2 D3 features Bioperine for enhanced bioavailability. Vitamin K2 plays an essential role in heart and bone health and in blood clotting and circulation. Vitamin K2 + D3 Capsules California Essential Vitamin D3, known as the “sunshine vitamin,” is naturally produced by your body through exposure to sunlight, and is critical to supporting the immune system and building and maintaining strong bones in adults. Bioperine, a patented extract from black pepper, has been shown to improve the absorption of nutrients by at least 30%. Vitamin D3 and K2 work together to keep our bodies in good health, and when partnered with Bioperine, Directions: Take 1 capsule daily, preferably with a meal. Other Ingredients: Rice Flour, Vegetable Cellulose and Magnesium Stearate (vegetable source). Warnings: Check with a medical professional before using this product if you are pregnant or nursing, have any existing medical condition.