What Causes B12 Deficiency In Older Adults?

How much B12 should a senior take daily?

In advanced cases, nerve problems may not improve.

People who eat meat or cereals fortified with vitamin B-12 are likely getting the recommended daily intake of 2.4 micrograms.

Older adults may benefit from a daily supplement to prevent deficiency.

Vitamin B-12 is not toxic so there are no concerns about an overdose..

What happens if my B12 is too low?

Not having enough B12 can lead to anemia, which means your body does not have enough red blood cells to do the job. This can make you feel weak and tired. Vitamin B12 deficiency can cause damage to your nerves and can affect memory and thinking.

Why is vitamin B12 important for older adults?

B12 is important for creating red blood cells and DNA, and for maintaining healthy nerve function. “Getting enough B12 is a challenge for older people because they can’t absorb it from food as well as younger people,” says Tucker.

Does vitamin B12 decrease with age?

Absorption of crystalline vitamin B12 does not decline with advancing age. However, compared with the younger population, absorption of protein-bound vitamin B12 is decreased in the elderly, owing to a high prevalence of atrophic gastritis in this age group.

How much vitamin B12 does a senior woman need?

Optimal dosing of vitamin B12 varies by age, lifestyle, and dietary needs. The general recommendation for adults is 2.4 mcg. Older adults, as well as pregnant and breastfeeding women, require higher doses.

What is the best vitamin for older adults?

The Academy of Nutrition and Dietetics says older adults should pay special attention to their intake of calcium, vitamin D, vitamin B-12, potassium, and fiber. Fortified milk and yogurt can boost calcium and vitamin D.

How long does B12 deficiency take to correct?

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.

Should you take B12 daily?

Safety and side effects. When taken at appropriate doses, vitamin B-12 supplements are generally considered safe. While the recommended daily amount of vitamin B-12 for adults is 2.4 micrograms, you can safely take higher doses. Your body absorbs only as much as it needs, and any excess passes through your urine.

How do you know if your B12 is low?

Symptoms of Vitamin B12 DeficiencyWeakness, 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.More items…•

What is the best supplement for elderly?

What If I’m Over 50?Calcium. Calcium works with vitamin D to keep bones strong at all ages. … Vitamin D. Most people’s bodies make enough vitamin D if they are in the sun for 15 to 30 minutes at least twice a week. … Vitamin B6. This vitamin is needed to form red blood cells. … Vitamin B12.

When should I take B12 morning or night?

You may need to take vitamin B-12 separately from the above drugs and supplements — say, one in the morning and one at night — so you can get the full dose of vitamin B-12. Don’t take vitamin B-12 supplements if you have sensitivities or allergies to vitamin B-12, cobalt, and any other ingredients.

What B12 level is too low?

Levels of vitamin B-12 are low if they are below 200 ng/mL. This result suggests a vitamin B-12 deficiency, pernicious anemia, or an overactive thyroid. People with low vitamin B-12 levels often experience neurological symptoms.

What causes low vitamin B12?

However, the most common cause of vitamin B-12 deficiency anemia is a lack of a substance called intrinsic factor, which can be caused when your immune system mistakenly attacks the stomach cells that produce this substance. This type of anemia is called pernicious anemia.

What are the symptoms of vitamin B12 deficiency in the elderly?

Vitamin B12 Deficiency SymptomsPale or jaundiced skin.Inflamed tongue.Weakness and fatigue.Tingling sensations in the hands or feet.Trouble walking.Blurred vision.Shortness of breath or dizziness.Changes in thinking, memory and mood.

What is the best B12 supplement?

The body may absorb cyanocobalamin better, while methylcobalamin has a higher retention rate. Both can prevent B12 deficiency, but methylcobalamin should be combined with adenosylcobalamin for best results.

How can I increase my B12 naturally?

To increase the amount of vitamin B12 in your diet, eat more of foods that contain it, such as:Beef, liver, and chicken.Fish and shellfish such as trout, salmon, tuna fish, and clams.Fortified breakfast cereal.Low-fat milk, yogurt, and cheese.Eggs.

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.