Prairie Naturals Vitamin D3 2500 IU 550 Softgels

Vitamin D3 is the form of vitamin D naturally produced by the body through sunlight exposure. It supports calcium absorption, healthy bones and teeth, muscle function, and immune health. Vitamin D3 also works synergistically with vitamin K2, helping ensure absorbed calcium is directed toward bones instead of soft tissues.

If you're building a stack focused on immune resilience, bone strength, healthy calcium metabolism, and maximizing the benefits of vitamin K2, this is a supplement that may be worth exploring.