9 skutków niedoboru witaminy B12!

Vitamin B12 is vital for keeping healthy nerves. A deficiency can destr0y the protective covering (myelin) around your nerves, leading to neurological symptoms such as tingling, numbness, or a “pins and needles” sensation—most commonly in the hands and feet.

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5. Balance and Coordination Problems
As nerve damage progresses, it can affect your motor control. You may see unsteadiness when walking, frequent stumbling, or difficulty with coordination. This effect is particularly dangerous in older adults, as it can grow the risk of falls and related injuries.

6. Memory Loss or Cognitive Decline
Low levels of vitamin B12 have been connected to memory problems, confusion, and even dementia-like symptoms in severe cases. The vitamin plays a vital role in brain function, and long-term deficiency can impact concentration, thinking, and overall mental clarity.

7. Mood Changes: Depression and Irritability

Vitamin B12 influences the production of brain chemicals like serotonin and dopamine, which are crucial for regulating m00d. A deficiency can cause depression, anxiety, irritability, or general m00d swings. Several studies recommend that B12 supplementation may boost mood in individuals with low levels.

8. Glossitis and Mouth Ulcers
B12 deficiency can cause glossitis—a swollen, red, and painful tongue. It can alsocáue mouth ulcers, a burning sensation in the mouth, or even a reduced sense of taste. These effects can make eating and speaking uncomfortable and may be mistaken for other conditions at first.

9. Blurred or Disturbed Vision
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