Bones, Tendons, and the Impact of D, K2, and Calcium
Adequate vitamin D status supports muscle function and may correlate with power output. Winter indoor athletes often test low. Combine safe sun, oily fish, and fortified dairy. Subscribe for our winter vitamin D checklist, and tell us how your lifts feel midseason.
Bones, Tendons, and the Impact of D, K2, and Calcium
Calcium can inhibit iron absorption when taken together. A coach solved chronically low ferritin by moving dairy to evenings and iron-rich meals earlier. Try separating these nutrients for two weeks and report if your energy climbs during tempo sessions.