Treatment and symptoms of Vitamin D 18 nmol/L | Diet for low Vitamin D level 18 nmol/L

Low Vitamin D level of 18 can cause a number of symptoms.

An abnormal Vitamin D level of 18 can have various implications on bone health, immune system function, and overall well-being. People with a Vitamin D level of 18 may be more prone to fatigue, muscle weakness, frequent infections, and even mood disturbances such as depression. Since Vitamin D is essential for calcium absorption, an abnormal value can lead to bone softening or diseases like rickets and osteoporosis. Ensuring adequate sun exposure and nutritional intake is key to maintaining optimal Vitamin D levels. Many treatments are available, but the priority should be altering your diet now.

Ideal levels of Vitamin D in the blood are approximately 75 - 250 nmol/L (Men)

Ideal agewise Vitamin D level for men :

Age	Ideal Vitamin D value
<5 years	76.35
5-10 years	77.724
10-15 years	79.123
15-20 years	80.547
20-25 years	81.997
25-30 years	83.473
30-35 years	84.976
35-40 years	86.506
40-45 years	88.063
45-50 years	89.648
50-55 years	91.262
55-60 years	92.905
60-70 years	94.577
70-80 years	96.279
80-90 years	98.012
90-100 years	99.776
>100 years	101.572

*Optimal values are derived from our extensive collection of patient data.

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1,51,150

Number of blood tests uploaded

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Below are the symptoms and treatments associated with low Vitamin D levels:

• Symptoms of Low Vitamin D Levels:
• Fatigue, muscle weakness, and bone pain.
• Increased risk of fractures or bone deformities (especially in older adults or children).
• Depression, irritability, and mood swings.
• Frequent infections, as Vitamin D plays a key role in immune function.
• In severe cases, rickets (in children) or osteomalacia (in adults), both of which involve softening of the bones.
• Treatments for Low Vitamin D Levels:
• Vitamin D supplementation, typically in the form of Vitamin D3 (cholecalciferol), either orally or through injections, depending on the severity.
• Increase dietary intake of Vitamin D-rich foods such as fatty fish (e.g., salmon, mackerel), fortified dairy products, and eggs.
• Sunlight exposure to stimulate the body’s natural production of Vitamin D (10-30 minutes a few times per week depending on skin tone and location).
• Regular monitoring of Vitamin D levels to ensure they reach a sufficient range and symptoms improve.

Email-based medical advice for managing low Vitamin D levels. Send report to Vitamin D expert

Ideal levels of Vitamin D in the blood are approximately 75-250 nmol/L (Women)

Ideal agewise Vitamin D level for women :

Age	Ideal Vitamin D value
<5 years	76.391
5-10 years	77.807
10-15 years	79.25
15-20 years	80.719
20-25 years	82.216
25-30 years	83.74
30-35 years	85.293
35-40 years	86.874
40-45 years	88.485
45-50 years	90.126
50-55 years	91.797
55-60 years	93.499
60-70 years	95.232
70-80 years	96.998
80-90 years	98.796
90-100 years	100.628
>100 years	102.494

Certain medicines, alcohol and foods rich in polyunsaturated fatty acids can sometimes affect the results of some laboratory tests. If you have come to know that your Vitamin D is not in the normal range (75-250 nmol/L), then you should immediately contact an experienced doctor.

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What to do after Vitamin D blood test?

If bleeding occurs after your Vitamin D test, raise your arm and apply pressure to the spot for at least 3 minutes. It’s normal to see some bruising after a Vitamin D blood draw. If you feel pain following the Vitamin D test, apply ice wrapped in a towel to the area for 10 minutes. For anything more than mild discomfort, contact your doctor.