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Vitamin Deficiency Risk Factors

Learn what puts you at risk for vitamin deficiencies, how to spot warning signs early, and practical ways to maintain healthy vitamin levels for better overall well-being.

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Written by Dr. Mohammed Kamran

Reviewed by Dr. J T Hema Pratima MBBS

Last updated on 18th Aug, 2025

Introduction

Vitamins are essential nutrients that our bodies need to function properly. They play a crucial role in maintaining energy levels, immunity, bone health, and overall well-being. However, many people suffer from vitamin deficiencies without even realising it. If left untreated, these deficiencies can lead to serious health problems.

In this article, we’ll explore the risk factors for vitamin deficiency, common symptoms, and simple ways to keep your vitamin levels in check.

What Causes Vitamin Deficiency?

Vitamin deficiency occurs when your body doesn’t get enough of a particular vitamin over time. Several factors can increase your risk, including:

1. Poor Diet

  • Eating processed foods, fast food, or an unbalanced diet low in fresh fruits, vegetables, and whole grains can lead to deficiencies.

  • Vegans and vegetarians may lack Vitamin B12, which is mostly found in animal products.

2. Digestive Disorders

  • Conditions like celiac disease, Crohn’s disease, or IBS can interfere with nutrient absorption.

  • Stomach surgeries (like gastric bypass) may also reduce vitamin absorption.

3. Limited Sun Exposure

  • Vitamin D is produced when our skin is exposed to sunlight. People who stay indoors most of the time or live in areas with little sunlight are at higher risk.

4. Alcoholism & Smoking

  • Excessive alcohol consumption affects the liver’s ability to store vitamins (especially B vitamins).

  • Smoking reduces Vitamin C levels in the body.

5. Age-Related Factors

  • Older adults may absorb fewer nutrients due to reduced stomach acid production.

  • Infants and children with poor diets may develop deficiencies like Vitamin D or iron deficiency.

6. Certain Medications

  • Some medicines (like antacids, diuretics, and antibiotics) can interfere with vitamin absorption.

Common Signs of Vitamin Deficiency

Different vitamin deficiencies cause different symptoms. Here are some common warning signs:

  • Fatigue & Weakness (Vitamin B12, Iron, Vitamin D)

  • Frequent Infections (Vitamin C, Vitamin D, Zinc)

  • Brittle Hair & Nails (Biotin, Iron)

  • Muscle Cramps (Magnesium, Calcium, Vitamin D)

  • Poor Night Vision (Vitamin A)

  • Mood Changes & Depression (Vitamin D, B Vitamins)

If you experience these symptoms frequently, it may be time to check your vitamin levels.

Consult Top Specialists for Your Symptoms

Dr. Mohamed Azeem, General Physician/ Internal Medicine Specialist

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Apollo Hospitals Karaikudi, Karaikudi

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Bengaluru

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Dr. Paras Gangwal, General Physician/ Internal Medicine Specialist

Dr. Paras Gangwal

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Dr Bhumika Lalwani, General Surgeon

Dr Bhumika Lalwani

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Divyashree K, General Physician/ Internal Medicine Specialist

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How to Prevent Vitamin Deficiency?

Protecting yourself from vitamin deficiencies often starts with small daily habits.

1. Eat a Balanced Diet

Include a variety of fruits, vegetables, whole grains, lean proteins, and healthy fats. Vitamin-rich foods include:

  • Vitamin A – Carrots, sweet potatoes, spinach

  • Vitamin B12 – Eggs, dairy, fortified cereals

  • Vitamin C – Citrus fruits, bell peppers, broccoli

  • Vitamin D – Fatty fish, egg yolks, fortified milk

  • Iron – Red meat, lentils, spinach

2. Consider Supplements (If Needed)

  • If you have dietary restrictions (veganism, allergies), supplements can help.

  • Always consult a doctor before starting any supplements.

3. Get Enough Sunlight

  • Spend 10-15 minutes in the sun daily to boost Vitamin D naturally.

4. Limit Alcohol & Quit Smoking

  • Reducing alcohol and quitting smoking improves nutrient absorption.

5. Regular Health Check-ups

  • A simple blood test can detect deficiencies early.

When to See a Doctor?

If you suspect a vitamin deficiency, consult a healthcare provider. They may recommend:

  • Blood tests to check vitamin levels.

  • Dietary changes or supplements based on your needs.

At Apollo 24|7, you can easily book a consultation or schedule a vitamin deficiency test from the comfort of your home. Early detection and treatment can prevent long-term health issues.

Final Thoughts

Vitamin deficiencies are common but often overlooked. By eating a balanced diet, getting enough sunlight, and staying mindful of risk factors, you can maintain optimal vitamin levels and improve your overall health.

If you’re experiencing persistent symptoms, don’t ignore them—take action today and consult a doctor.

Consult Top Specialists for Your Symptoms

Dr. Mohamed Azeem, General Physician/ Internal Medicine Specialist

Dr. Mohamed Azeem

General Physician/ Internal Medicine Specialist

2 Years • MBBS,MD(Internal Medicine) CCEBDM

Karaikudi

Apollo Hospitals Karaikudi, Karaikudi

450

68 Cashback

450

No Booking Fees

Dr. Sujay P R, General Physician/ Internal Medicine Specialist

Dr. Sujay P R

General Physician/ Internal Medicine Specialist

3 Years • MBBS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

40 Cashback

Dr. Paras Gangwal, General Physician/ Internal Medicine Specialist

Dr. Paras Gangwal

General Physician/ Internal Medicine Specialist

28 Years • MBBS,MD General Medicine

Delhi

Dr Paras Gangwal Clinic, Delhi

1500

1200

Dr Bhumika Lalwani, General Surgeon

Dr Bhumika Lalwani

General Surgeon

4 Years • MBBS MS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

60 Cashback

Divyashree K, General Physician/ Internal Medicine Specialist

Divyashree K

General Physician/ Internal Medicine Specialist

5 Years • MBBS

Bengaluru

Apollo Clinic, JP nagar, Bengaluru

500

75 Cashback

Consult Top Specialists for Your Symptoms

Dr. Mohamed Azeem, General Physician/ Internal Medicine Specialist

Dr. Mohamed Azeem

General Physician/ Internal Medicine Specialist

2 Years • MBBS,MD(Internal Medicine) CCEBDM

Karaikudi

Apollo Hospitals Karaikudi, Karaikudi

450

68 Cashback

450

No Booking Fees

Dr. Sujay P R, General Physician/ Internal Medicine Specialist

Dr. Sujay P R

General Physician/ Internal Medicine Specialist

3 Years • MBBS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

40 Cashback

Dr. Paras Gangwal, General Physician/ Internal Medicine Specialist

Dr. Paras Gangwal

General Physician/ Internal Medicine Specialist

28 Years • MBBS,MD General Medicine

Delhi

Dr Paras Gangwal Clinic, Delhi

1500

1200

Dr Bhumika Lalwani, General Surgeon

Dr Bhumika Lalwani

General Surgeon

4 Years • MBBS MS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

60 Cashback

Divyashree K, General Physician/ Internal Medicine Specialist

Divyashree K

General Physician/ Internal Medicine Specialist

5 Years • MBBS

Bengaluru

Apollo Clinic, JP nagar, Bengaluru

500

75 Cashback

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