Vitamin D

Vitamins & NutrientsBone & MuscleBlood

Vitamin D helps regulate the amount of calcium and phosphate in the body. These nutrients keep bones, teeth and muscles healthy.

Why it matters: A lack of vitamin D can lead to bone deformities such as rickets in children, and bone pain from a condition called osteomalacia in adults.

Source · NHS — what it is, why it matters, what moves it

Reference Range
75.0 – 250.0nmol/L
75
250LowNormalHigh
What Moves It

May increase with:

Sunlight on the skin from late March to September
Oily fish such as salmon, sardines and mackerel
Red meat
Egg yolks
Liver
Fortified foods such as some cereals and fat spreads
Vitamin D supplements

May decrease with:

Little sunlight from October to early March
Being housebound or indoors most of the time
Covering most of the skin outdoors
Having darker skin
Related Markers
CalciumPTHActive Vitamin D (Calcitriol)Ionized Calcium
Common questions

What is Vitamin D?

Vitamin D helps regulate the amount of calcium and phosphate in the body. These nutrients keep bones, teeth and muscles healthy.

What might a high or low Vitamin D mean?

A lack of vitamin D can lead to bone deformities such as rickets in children, and bone pain from a condition called osteomalacia in adults.

What is the typical reference range for Vitamin D?

The general-population reference range shown here is 75 – 250 nmol/L. Reference ranges describe the general population and are not a personal target — discuss your results with your physician.

What can affect Vitamin D?

It may be higher with: Sunlight on the skin from late March to September, Oily fish such as salmon, sardines and mackerel, Red meat, Egg yolks, Liver, Fortified foods such as some cereals and fat spreads, Vitamin D supplements. It may be lower with: Little sunlight from October to early March, Being housebound or indoors most of the time, Covering most of the skin outdoors, Having darker skin.

More in Vitamins & Nutrients
Active Vitamin D (Calcitriol)CopperFolic AcidSeleniumVitamin B12Zinc

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