What are the symptoms of lack of vitamin B complex?

Symptoms of Vitamin B12 Deficiency

  • Weakness, tiredness, or lightheadedness.
  • Heart palpitations and shortness of breath.
  • Pale skin.
  • A smooth tongue.
  • Constipation, diarrhea, loss of appetite, or gas.
  • Nerve problems like numbness or tingling, muscle weakness, and problems walking.
  • Vision loss.

What happens if your B vitamins are too high?

When a higher dose of vitamin B is taken, people may suffer from indigestion, nausea or mild diarrhea. People with a prior history of gastrointestinal problems and aged individuals are more likely to suffer from intense stomach cramps and severe diarrhea after taking high doses of vitamin B.

What is the best source of B vitamins?

Consuming adequate amounts of the eight B complex vitamins puts you on the path to a healthy diet. Some top sources of B vitamins include meat (especially liver), seafood, poultry, eggs, dairy products, legumes, leafy greens, seeds and fortified foods, such as breakfast cereal and nutritional yeast.

What helps you absorb B vitamins?

Your intestines absorb vitamin B12 from food. A protein your stomach makes called “intrinsic factor” helps your body absorb it.

Can vitamin B12 affect your eyes?

One symptom of vitamin B12 deficiency is blurred or disturbed vision. This can occur when an untreated B12 deficiency results in nervous system damage to the optic nerve that leads to your eyes ( 18 ). The damage can disrupt the nervous signal that travels from your eye to your brain, impairing your vision.

What are the 8 B vitamins?

There are many different types of vitamin B.

  • thiamin (vitamin B1)
  • riboflavin (vitamin B2)
  • niacin (vitamin B3)
  • pantothenic acid.
  • vitamin B6.
  • biotin (vitamin B7)
  • folate and folic acid.
  • vitamin B12.

Does caffeine deplete vitamin B?

Caffeine can negatively affect our health if it is not consumed in moderation. Caffeine can cause nutrient depletion of important nutrients, like vitamin B6, and interfere with nutrient absorption of essential minerals, including calcium, iron, magnesium and B vitamins.