What happens if your b12 is low?

What happens if your b12 is low?

Weakness and fatigue are common symptoms of vitamin B12 deficiency. They occur because your body doesn't have enough vitamin B12 to make red blood cells, which transport oxygen throughout your body. As a result, you are unable to efficiently transport oxygen to your body's cells, making you feel tired and weak.

How long does it take to recover from b12 deficiency?

Recovery from vitamin B12 deficiency takes time and you may not experience any improvement during the first few months of treatment. Improvement may be gradual and may continue for up to six to 12 months.

What is the best b12 supplement?

Both can prevent B12 deficiency, but methylcobalamin should be combined with adenosylcobalamin for best results. Regardless of which form of vitamin B12 you choose, be sure to combine it with a healthy, well-balanced diet to meet your nutritional needs and optimize your health.

How long does it take for b12 supplements to work?

A response usually is seen within 48 to 72 hours, with brisk production of new red blood cells. Once B12 reserves reach normal levels, injections of vitamin B12 will be needed every one to three months to prevent symptoms from returning.

Is b12 deficiency dangerous?

Vitamin B12 deficiency that persists for years can cause severe, irreversible neurologic damage—think memory loss, disorientation, and an inability to concentrate. Other permanent side effects include nerve damage, insomnia, erectile dysfunction, even difficulty with bowel and bladder control, says Moon.

How do doctors test for vitamin b12 deficiency?

You may undergo a blood test to measure the presence of a substance called methylmalonic acid. The level of this substance is higher in people with vitamin B-12 deficiency.

Can low b12 cause weight gain?

While low levels of B12 can lead to weight loss. Some people are concerned that may gain weigh after starting B12 injection. You may gain a few pounds initially because of increased appetite.

Can low b12 cause hair loss?

Its vital role in cell division, red blood cell production, and metabolism explains why a B12 deficiency impacts hair quality. The vitamin is required to produce new hair cells and promote hair growth. … This can lead to an increased risk of B12 or iron deficiency, both of which are known to contribute to hair loss.