What Vitamin Deficiency Causes You to Feel Cold?

Feeling cold constantly, even when the sun is shining, and you’ve piled on layers upon layers of clothing, can be a frustrating and discomforting experience. While many factors can contribute to this sensation, one often overlooked aspect is the role of vitamin deficiencies. These essential nutrients play a crucial role in maintaining our body’s metabolic processes, circulation, and overall temperature regulation. In this article, we’ll discuss what vitamin deficiencies might cause you to feel cold, other medical conditions that could be causing this issue, and how to move forward in finding a solution.

What Vitamin Deficiency Causes You to Feel Cold?

Several vitamin deficiencies can cause you to feel cold, as vitamins play important roles in maintaining metabolism, circulation, and overall body temperature regulation. Some of the key vitamins linked to feeling cold include:

Vitamin B12 Deficiency

Vitamin B12 is essential for nerve function and healthy red blood cell production. Without enough B12, you may develop anemia, which can result in cold hands and feet, as well as general feelings of coldness.

Vitamin D Deficiency

Vitamin D plays a crucial role in regulating calcium levels and supporting immune function. A deficiency in vitamin D can lead to weakened bones, muscle weakness, and poor circulation, which may make you feel colder.

Iron Deficiency

While not a vitamin, iron is an essential mineral for red blood cell production and oxygen transportation. Iron deficiency anemia can result in reduced oxygen delivery to tissues, leading to cold extremities and an overall feeling of coldness.

Vitamin C Deficiency

Vitamin C is important for collagen synthesis and immune function. A deficiency in vitamin C can lead to weakened blood vessels and poor circulation, which may result in feeling cold.

Vitamin E Deficiency

Vitamin E is an antioxidant that helps protect cell membranes. A deficiency in vitamin E may impair nerve function and circulation, contributing to feelings of coldness.

What Other Medical Conditions Might Cause You to Feel Cold?

There are several medical conditions that can cause a person to feel cold, even when they’re in a warm environment. Some of these conditions include:


Hypothyroidism occurs when the thyroid gland doesn’t produce enough thyroid hormones, which are essential for regulating metabolism. A slowed metabolism can lead to feelings of coldness as well as difficulty coping with cold temperatures.

Woman getting tested for Hypothyroidism

Raynaud’s Disease

Raynaud’s disease is a condition that causes the blood vessels in the extremities, such as the fingers and toes, to narrow in response to cold temperatures or stress. This can result in reduced blood flow to these areas and cause them to feel cold and numb.


Anemia occurs when the body doesn’t have enough red blood cells or hemoglobin to carry oxygen to tissues effectively. Without adequate oxygen delivery, the body may feel cold, particularly in the hands and feet.

Peripheral Artery Disease (PAD)

PAD is a circulatory condition that causes the narrowing of the arteries, usually in the legs. This can lead to reduced blood flow to the extremities, making them feel cold and numb.


Diabetes can affect circulation, nerve function, and metabolism, all of which can contribute to feelings of coldness, particularly in the hands and feet.

Chronic Fatigue Syndrome (CFS)

People with chronic fatigue syndrome often experience cold intolerance as one of their symptoms. The exact cause is not fully understood, but it may be related to disruptions in the body’s temperature regulation mechanisms.

Anorexia Nervosa

Individuals with anorexia nervosa may have reduced body fat and muscle mass, which can impair body temperature regulation and make them feel cold even in warm environments.


Certain infections, such as the flu or a urinary tract infection, can cause chills and feelings of coldness as part of the body’s immune response.

How to Address Vitamin Deficiencies 

Naturally addressing important vitamin deficiencies involves adopting a balanced and nutrient-rich diet that includes a variety of whole foods. Incorporating foods rich in the deficient vitamins can help replenish levels over time. 

For instance, vitamin B12 sources include meat, fish, dairy products, and fortified cereals, while vitamin D can be obtained from fatty fish, fortified dairy products, and exposure to sunlight. Iron-rich foods such as lean meats, legumes, dark leafy greens, and fortified grains can help combat iron deficiency. Additionally, maximizing nutrient absorption by consuming foods rich in vitamin C alongside iron sources can enhance absorption. 

Salmon plate with rice and tomatoes

For those with dietary restrictions or difficulty meeting nutritional needs through diet alone, supplements can be considered under the guidance of a healthcare professional. However, always prioritize whole foods whenever possible to ensure a comprehensive array of nutrients for optimal health.

When Should I See a Doctor?

A person who consistently struggles with feeling cold, especially when it interferes with daily activities or is accompanied by other concerning symptoms, should consider seeing a doctor. Here are some specific situations in which seeking medical advice is recommended:

Persistent Coldness

If you frequently feel cold, even in warm environments or when wearing appropriate clothing, it may indicate an underlying medical issue that needs evaluation.

Unexplained Symptoms

If feeling cold is accompanied by other unexplained symptoms such as fatigue, weakness, dizziness, changes in appetite, weight loss or weight gain, difficulty concentrating, or changes in bowel habits, it’s important to consult a healthcare professional.

Existing Medical Conditions

Individuals with pre-existing conditions such as hypothyroidism, diabetes, or anemia should monitor changes in their symptoms, including changes in sensitivity to the cold, and discuss them with their healthcare provider.

Nutritional Concerns

If there are concerns about nutritional deficiencies, such as inadequate intake of vitamins or minerals, or if there are symptoms suggestive of deficiency (e.g., brittle nails, hair loss, pale skin), it’s advisable to consult with a doctor. Doctors can order blood tests to check for deficiencies, including tests for vitamin B12, vitamin D, iron, and other essential nutrients.

Family History

If there’s a family history of conditions associated with feeling cold, such as thyroid disorders or Raynaud’s disease, it may warrant closer monitoring and evaluation by a healthcare professional.

When seeing a doctor for concerns about feeling cold, you may undergo a thorough medical history and physical examination to assess or detect any underlying health conditions. Depending on the findings, your doctor may recommend further diagnostic tests, including blood tests to check for signs of vitamin deficiencies, thyroid function tests, or imaging studies if necessary. Treatment will depend on the underlying cause identified through these evaluations.

Get the Vitamins and Supplements You Need from Uscriptives

As we’ve explored the intricate relationship between vitamin deficiencies and the sensation of feeling cold, it’s evident that maintaining optimal levels of these essential nutrients is paramount for overall health and well-being. Whether it’s ensuring sufficient intake of vitamin B12 for nerve function, vitamin D for immune system support, or iron for oxygen transport, addressing deficiencies can lead to improvements in energy levels, circulation, and even body temperature regulation. 

At Uscriptives, we understand the importance of personalized nutrition and offer a range of high-quality vitamin and mineral supplements to support your unique needs. With our commitment to science-backed formulations and rigorous quality standards, you can trust Uscriptives to be your partner in achieving optimal health and warmth. Say goodbye to constant chills and embrace a life filled with vitality and comfort with Uscriptives by your side. Visit our website to begin!

Disclaimer: This story is auto-aggregated by a computer program and has not been created or edited by wellnesswealthjourney.
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