Tuesday, 5 August 2014

2-hydroxy Vitamin D /Calcidiol/ 25-OH Vitamin D Test

Vitamin D( Sunshine vitamin )  is an essential vitamin .Deficiency can leads to rickets.Rickets causes bone softening and poor mineralization of bones resulting in skeltal deformities . Inadequate or low levels of vitamin D leads to weakened immune system , vitamin D is essential for strong bones . vitamin D plays an important role in regulating calcium and phosphate levels in the body promoting healthy bones .

Procedure –

Blood sample is taken

Normal Results

Vitamin D is mainly measurd by 25-hydroxy vitamin D blood test .
Values in healthy people -20 nanograms/milliliter to 50 ng/mL

Vitamin D deficiency – value less than 12ng/mL

Vitamin D regualtes the blood levels of calcium , phosphorus by absorption in the intestines and reabsorption in kidneys .Vitamin D is one of great immune regualtor.
Uses  of vitamin D

Vitamin D has great role in preventing and treating -
• High blood pressure( hypertension )
• Type 1 and 2 diabetes
• Glucose intolerance
• Multiple sclerosis
Low levels of vitamin D leading to following symptoms –

• People with low vitamin D are at a higher risk of cancer , diabetes , osteoporosis and cardiovascular disorders .Vitamin D defeciency can also be present in infants .
• Chronic muscle , bone pains
• Fatigue , depression and mood swings
• Peridontal disease
• Inflammatory bowel disease
• Rheumatoid arthritis
• Low levels of vitamin D are also major cause of seasonal depression

Why does vitamin D defeciency occurs –

• In people who are obese
• In people having weak digestive tract suffering from diseases like –crohn’s disease, cystic fibrosis ,celiac disease
• Inability of kidney  to convert vitamin D into active form
• People with dark skin
• Lack of sunlight exposure
• Lack of vitamin D in diet
• Liver and kidney disorders
• Lack of food absorption
• Medications
• People following strict vegetarian diet

Foods rich in Vitamin D –

Treatment of defeciency of vitamin D is mainly through diet and supplements
Fish , eggs , cod liver oil , Tofu and soy milk , Oysters