by Adam Inlay | Feb 26, 2026
Most people associate vitamin D with bones, and that connection is real. But the research over the last decade has expanded the picture significantly. Vitamin D receptors exist in tissues throughout the body, from immune cells to muscle fibers, and the nutrient plays...
by Adam Inlay | Feb 5, 2026
Vitamin D is one of the most studied nutrients in sports science, and for good reason. It supports bone density, muscle function, immune resilience, and recovery from training. For athletes and active individuals, maintaining adequate vitamin D levels is not optional....
