EFECTIV® Vitamin D3 with K2 | 60 Servings | Immune Support

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EFECTIV® VITAMIN D3 & K2 EFECTIV Nutrition Vitamin D3 with K2 supports normal function of the immune system, muscle and healthy bones. It's important to take D3 and K2 together as Vitamin D3 improves calcium absorption, while Vitamin K2 works to allocate where the calcium is used, which may support bone health. Show more