Vitamin B12 deficiency: Vision that is disturbed and a twitching eye are warning signs


Vitamin B12 is a crucial ingredient for the healthy running of the body, as it’s needed to make red blood cells. Signs of a deficiency can develop very slowly, so it may be difficult to diagnose the condition. If experiencing disturbed vision or eye twitches it could indicate your B12 levels are low.

Eye twitch

An eye twitch could be a sign of vitamin B12 deficiency, according to Thyroid Patient Advocacy.

This usually occurs in one eye or the other and can appear even in “borderline” vitamin B12 deficiency.

It advises: “It can occur on the eyelid or just below the eye.”

A person’s eyes contain a lot of nerves, so when our body lacks Vitamin B 12 it starts twitching.

This one of the initial symptoms of nutrient deficiency and can occur even when vitamin B12 levels are just slightly lower than normal.

Other reason for the eye twitch

Electrolyte imbalance in the body can also lead to muscle twitches and spasms.

Electrolytes are electrically charged minerals that are present in the blood, urine and body fluids.

They are responsible for controlling muscle action, including the muscles of the eye.

Therefore, if a person has an imbalance of electrolytes in the body can lead to muscle twitches and spasms.

Electrolytes include sodium, potassium, magnesium, calcium, chlorine and phosphate.

In a study published in the US National Library of Medicine National Institutes of Health, the many faces of vitamin B12 deficiency was investigated. 

The study noted: “Although cobalamin (vitamin B12) deficiency was described over a century ago, it is still difficult to establish the correct diagnosis and prescribe the right treatment.

“Symptoms related to vitamin B12 deficiency may be diverse and vary from neurologic to psychiatric.

“The most prevalent symptoms of vitamin B12 deficiency are neurologic, such as paraesthesia in hands and feet, muscle cramps, dizziness, cognitive disturbances, ataxia, and erectile dysfunction, as well as fatigue, psychiatric symptoms like depression, and macrocytic anaemia.”



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