What Vitamin Deficiency Causes You To Feel Cold? Discover The Culprits!

By Kendra Reed

Updated On

Maintaining a balanced body temperature is crucial for overall health and well-being. When our bodies struggle to regulate temperature effectively, we may experience discomfort and even health issues. While various factors can influence body temperature, vitamin deficiencies are often overlooked culprits. In this article, we’ll explore the connection between vitamin deficiencies and feeling cold, and provide practical tips to help you maintain optimal vitamin levels.

Key Takeaways

  1. The hypothalamus and the process of thermoregulation play a vital role in maintaining body temperature.
  2. Specific vitamins, such as vitamin D and vitamin B12, are essential for regulating body temperature.
  3. Identifying and addressing vitamin deficiencies through a balanced diet and professional guidance can help prevent feeling cold.

How Your Body Regulates Temperature?

To understand how vitamin deficiencies can affect body temperature, it’s important to know how the body regulates temperature. The hypothalamus, a small region in the brain, acts as the body’s thermostat. It receives signals from temperature receptors throughout the body and initiates appropriate responses to maintain a stable internal temperature.

When the body feels cold, the hypothalamus triggers several mechanisms to generate heat and conserve warmth. Blood vessels constrict to reduce heat loss through the skin while shivering helps produce heat through muscle contractions. On the other hand, when the body feels too warm, the hypothalamus signals the sweat glands to release sweat, which cools the skin as it evaporates.

Also Read: Best Vitamins For Sciatica Nerve Pain: Boost Your Healing Journey

How Vitamins Affect Body Temperature?

Vitamins are essential nutrients that play crucial roles in various bodily functions, including temperature regulation. Two vitamins that are particularly important for maintaining body temperature are vitamin D and vitamin B12.

Vitamin D, also known as the “sunshine vitamin,” is primarily synthesized in the skin upon exposure to sunlight. It helps regulate the expression of genes involved in temperature regulation and supports the function of the hypothalamus. Additionally, vitamin D plays a role in calcium absorption, which is necessary for proper muscle contractions, including shivering.

Vitamin B12, found in animal-based foods, is crucial for the production of red blood cells and the proper functioning of the nervous system. A deficiency in vitamin B12 can lead to anemia, which reduces the body’s ability to transport oxygen effectively. This can result in feeling cold, as well as fatigue and weakness.

What Vitamin Deficiency Causes You to Feel Cold?

Among the vitamin deficiencies that can cause you to feel cold, vitamin D deficiency is the most common. When the body lacks sufficient vitamin D, it may struggle to regulate body temperature effectively, leading to a persistent feeling of coldness, especially in the hands and feet.

Symptoms of vitamin D deficiency can include:

  • Feeling cold, particularly in the extremities
  • Fatigue and weakness
  • Muscle aches and cramps
  • Mood changes, such as depression

Other vitamin deficiencies that may contribute to feeling cold include:

  • Vitamin B12 deficiency
  • Iron deficiency (not a vitamin but often associated with feeling cold)
  • Vitamin B9 (folate) deficiency

It’s important to note that feeling cold can also be a symptom of other health conditions, such as hypothyroidism or poor circulation. Consulting with a healthcare professional is crucial for accurate diagnosis and appropriate treatment.

How to Find Out if You’re Vitamin Deficient

If you suspect that a vitamin deficiency may be causing you to feel cold, the first step is to consult with your healthcare provider. They can order blood tests to measure your vitamin levels and determine if you have any deficiencies.

Some common risk factors for vitamin deficiencies include:

  • Limited exposure to sunlight (for vitamin D)
  • Vegetarian or vegan diets (for vitamin B12)
  • Malabsorption disorders, such as celiac disease or inflammatory bowel disease
  • Certain medications that interfere with vitamin absorption

Your healthcare provider can help you identify any risk factors and provide personalized recommendations to address vitamin deficiencies.

How to Increase Vitamins in Your Diet?

One of the most effective ways to prevent and address vitamin deficiencies is through a balanced and nutritious diet. Incorporating vitamin-rich foods into your meals can help ensure that your body receives the essential nutrients it needs to regulate body temperature and support overall health.

Some foods that are excellent sources of vitamin D include:

  • Fatty fish, such as salmon, tuna, and mackerel
  • Egg yolks
  • Fortified dairy products and plant-based milk alternatives
  • Mushrooms exposed to ultraviolet light

To boost your vitamin B12 intake, consider including the following foods in your diet:

  • Meat, poultry, and fish
  • Eggs
  • Dairy products
  • Fortified cereals and nutritional yeast

In addition to dietary sources, vitamin supplements can be helpful for individuals who struggle to meet their nutritional needs through food alone. However, it’s crucial to consult with a healthcare professional before starting any supplement regimen to ensure safety and appropriate dosing.

Read More: Is Vitamin Water Good For You?


Feeling cold can be a sign of an underlying vitamin deficiency, particularly in vitamin D. By understanding the role of vitamins in regulating body temperature and recognizing the symptoms of deficiencies, you can take proactive steps to maintain optimal vitamin levels and promote overall well-being.

Prioritizing a balanced diet rich in vitamin-dense foods is essential for preventing deficiencies and supporting healthy body temperature regulation. If you suspect a vitamin deficiency, don’t hesitate to seek professional guidance from a healthcare provider. They can help you identify any deficiencies and develop a personalized plan to address your nutritional needs.

Remember, your health and comfort are worth investing in. By taking care of your body and ensuring adequate vitamin intake, you can help keep yourself feeling warm, energized, and ready to tackle whatever comes your way.


Q: Can vitamin supplements help with feeling cold due to deficiencies?

A: Vitamin supplements can be helpful in addressing deficiencies that contribute to feeling cold. However, it’s essential to consult with a healthcare professional before starting any supplement regimen to ensure safety and appropriate dosing. They can guide you in selecting the right supplements based on your individual needs and health status.

Q: How long does it take to correct a vitamin deficiency?

A: The time it takes to correct a vitamin deficiency varies depending on the severity of the deficiency, the specific vitamin involved, and the individual’s response to treatment. In some cases, improvements can be noticed within a few weeks of addressing the deficiency through dietary changes or supplements. However, it may take several months to fully replenish vitamin stores and experience optimal benefits.

Q: Can vitamin deficiencies cause other symptoms besides feeling cold?

A: Yes, vitamin deficiencies can cause a wide range of symptoms beyond feeling cold. These may include fatigue, weakness, muscle aches, mood changes, skin problems, and digestive issues, among others. The specific symptoms experienced can vary depending on the vitamin deficiency and the individual’s overall health. If you suspect a vitamin deficiency, it’s important to consult with a healthcare professional for proper evaluation and treatment.

Q: Are there any lifestyle factors that can contribute to vitamin deficiencies?

A: Several lifestyle factors can increase the risk of vitamin deficiencies. These include:

– Limited exposure to sunlight (for vitamin D)
– Smoking and excessive alcohol consumption
– Strict vegetarian or vegan diets without proper supplementation
– Chronic stress
– Certain medications that interfere with vitamin absorption

Adopting healthy lifestyle habits, such as maintaining a balanced diet, regular exercise, stress management, and avoiding smoking and excessive alcohol consumption, can help support optimal vitamin levels and overall well-being.


  1. National Institutes of Health. (2021). Vitamin D. https://ods.od.nih.gov/factsheets/VitaminD-HealthProfessional/
  2. National Institutes of Health. (2021). Vitamin B12. https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/

Join the conversation