Vitamin D Lab Test & Other Interactions
Vitamin D has an effect on the following lab tests:
- Serum alkaline phosphatase
- Blood calcium
- Blood cholesterol
- Blood phosphate
- Serum magnesium
- Urine calcium
- Urine phosphorus
High vitamin D supplements can increase the levels of all the substances above, giving a false and incorrect results.
Supplementation with high vitamin D levels can cause lab test results of certain blood test to show incorrect results
Other Interactions with Vitamin D
Vitamin D has interactions with other substances as follows:
People who drink excessive amounts of alcohol may have depleted stores of vitamin D in the liver and may need supplementation.
- Olestra fat substitute
People who take vitamin D supplements and eat the fat substitute olestra will decrease the absorption, effectiveness and action of the vitamin D supplements. It is advisable not to eat this fat substitute if taking vitamin D supplements.