Vitamin D3 Level Services

Vitamin D levels that are too high or too low can affect your health: Adequate A level of 20 nanograms per milliliter (ng/mL) or higher is generally considered adequate for most people. Deficient Levels below 12 ng/mL (30 nmol/L) are too low and might weaken your bones and affect your health. Too high Levels above 50 ng/mL (125 nmol/L) are too high and might cause health problems. Vitamin D is important for bone health and overall health. You can check your vitamin D levels with a blood test. Vitamin D level Category Less than 30 nmol/L Deficiency 30 to below 50 nmol/L Inadequate 50 to 124 nmol/L Adequate Over 125 nmol/L Too high Some factors that can increase your risk of vitamin D deficiency include: Living in a northern climate Staying inside most of the time Wearing sunscreen whenever you go out Having dark skin Kidney or liver disease Having a condition that affects your ability to absorb vitamin D Taking certain medications