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Understanding Tingling, Itching, and Numbness: The Role of Vitamin B Complex

Tingling, itching, and numbness in the feet and hands can be unsettling sensations. While there can be various reasons behind these symptoms, vitamin B complex deficiency is one potential culprit often overlooked.

In this article, we delve into the significance of vitamin B complex in nerve health and how its deficiency can lead to these uncomfortable sensations.

What is Vitamin B Complex? Vitamin B complex comprises a group of essential water-soluble vitamins that play crucial roles in various bodily functions, including metabolism, energy production, and nerve health. This group includes eight B vitamins:

Thiamine (B1)

Riboflavin (B2)

Niacin (B3)

Pantothenic acid (B5)

Pyridoxine (B6)

Biotin (B7)

Folate (B9)

Cobalamin (B12)

Each of these vitamins contributes uniquely to the body's well-being, but they often work together synergistically, hence the term "complex."

The Link Between Vitamin B Complex and Nerve Health: One of the critical functions of vitamin B complex is maintaining the health of the nervous system. The nerves in our body rely on adequate levels of B vitamins to function correctly.

Vitamin B12, in particular, plays a crucial role in forming the protective covering of nerves called myelin. Without sufficient myelin, nerve impulses can slow down or be disrupted, leading to symptoms like tingling, itching, and numbness.

Understanding Neuropathy: Neuropathy refers to damage or dysfunction of one or more nerves, typically resulting in symptoms such as tingling, itching, numbness, and pain.

Peripheral neuropathy, specifically, affects the nerves outside the brain and spinal cord, often manifesting in the hands and feet. Vitamin B12 deficiency is a well-known cause of peripheral neuropathy.

Research Supporting the Connection: Numerous studies have established a strong link between vitamin B complex deficiency and neuropathy symptoms.

For instance, a study published in the Journal of Neurology found that vitamin B12 deficiency was significantly associated with peripheral neuropathy in individuals with type 2 diabetes.

Another study published in the Journal of the American Geriatrics Society concluded that low levels of vitamin B12 were linked to an increased risk of peripheral neuropathy in older adults.

Addressing Deficiency and Alleviating Symptoms: If you're experiencing tingling, itching, or numbness in your hands and feet, it's essential to consult a healthcare professional for proper diagnosis and treatment. Blood tests can determine if you have a deficiency in vitamin B complex, allowing your doctor to recommend appropriate supplements or dietary changes.

Incorporating vitamin B-rich foods into your diet can also help maintain adequate levels of these essential nutrients. Foods rich in vitamin B complex include:

Meat, poultry, and fish

Dairy products


Leafy greens


Fortified cereals and grains

Supplementation may be necessary for individuals with severe deficiencies or certain health conditions that affect vitamin absorption.

Conclusion: Tingling, itching, and numbness in the hands and feet can be distressing symptoms, often stemming from various underlying causes. However, it's essential not to overlook the potential role of vitamin B complex deficiency in nerve health.

Ensuring adequate intake of these vital nutrients through diet and supplementation under the guidance of a healthcare professional can help alleviate symptoms and promote overall well-being.


NHS (National Health Service). (2022). Peripheral neuropathy. Retrieved from

Diabetes UK. (n.d.). Neuropathy. Retrieved from

British Dietetic Association. (n.d.). Food Fact Sheet: Vitamin B12. Retrieved from

Public Health England. (2019). National Diet and Nutrition Survey: Years 9 to 11 of the Rolling Programme (2016/2017 to 2018/2019). Retrieved from

Smith AG, Singleton JR. The diagnostic yield of a standardized approach to idiopathic sensory-predominant neuropathy. Arch Intern Med. 2004;164(9):1021-1025. doi:10.1001/archinte.164.9.1021

Spallone V, Ziegler D, Freeman R, et al. Cardiovascular autonomic neuropathy in diabetes: clinical impact, assessment, diagnosis, and management. Diabetes Metab Res Rev. 2011;27(7):639-653. doi:10.1002/dmrr.1239

Thomas PK. Classification, differential diagnosis, and staging of diabetic peripheral neuropathy. Diabetes. 1997;46 Suppl 2:S54-S57. doi:10.2337/diab.46.2.s54

Ang CD, Alviar MJM, Dans AL, Bautista-Velez GGP, Villaruz-Sulit MVC, Tan JJY, Co HUL,

Bautista MRZ. Vitamin B for treating peripheral neuropathy. Cochrane Database of Systematic Reviews 2008, Issue 3. Art. No.: CD004573. DOI: 10.1002/14651858.CD004573.pub3


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