Vitamin D3 Dosage: Test First, Dose Second, and Never Skip the K2
Nearly 42% of American adults walk around with insufficient vitamin D levels, yet most have never tested their blood to confirm it. You might be supplementing blindly right now, guessing at your vitamin D3 dosage without knowing if you need 1,000 IU or 5,000 IU daily. That guesswork can leave you deficient or, worse, create…