- 1 What is vitamin B12 good for?
- 2 What foods are high in vitamin B12?
- 3 What happens when your vitamin B12 is low?
- 4 How much B-12 should you take a day?
- 5 Should I take B12 vitamins?
- 6 Does B12 make you gain weight?
- 7 When should I take B12 morning or night?
- 8 How can I get B12 naturally?
- 9 Which fruit is best for vitamin B12?
- 10 How long does it take for B12 supplements to work?
- 11 What medications should not be taken with B12?
- 12 How long does B12 deficiency take to correct?
- 13 How do I know if Im getting enough B12?
- 14 Does B12 help you lose weight?
- 15 Does B12 grow hair?
What is vitamin B12 good for?
Vitamin B12 is a nutrient that helps keep the body’s nerve and blood cells healthy and helps make DNA, the genetic material in all cells. Vitamin B12 also helps prevent a type of anemia called megaloblastic anemia that makes people tired and weak. Two steps are required for the body to absorb vitamin B12 from food.
What foods are high in vitamin B12?
Milk and milk products are good sources of vitamin B12. Many ready-to-eat breakfast cereals are fortified with vitamin B12. Includes a variety of protein foods such as lean meats; poultry; eggs; seafood; beans, peas, and lentils; nuts and seeds; and soy products. Fish and red meat are excellent sources of vitamin B12.
What happens when your vitamin B12 is 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.
How much B-12 should you take a day?
The typical general supplemental dose of vitamin B12 is 1-25 mcg per day: The recommended dietary allowances (RDAs) of vitamin B12 are: 1.8 mcg; older children and adults, 2.4 mcg; pregnant women, 2.6 mcg; and breast-feeding women, 2.8 mcg.
Should I take B12 vitamins?
An essential vitamin
B12 (also known as cobalamin) is essential for keeping your brain and nerves healthy and for making DNA and red blood cells. B12 also helps lower levels of homocysteine, an amino acid linked (in high levels) to dementia, heart disease, stroke, and osteoporosis. We typically get B12 through diet.
Does B12 make you gain weight?
Despite the numerous processes in which vitamin B12 is involved, there’s little evidence to suggest that it has any influence on weight gain or loss.
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.
How can I get 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.
Which fruit is best for vitamin B12?
Vitamin B-12 is not found in fruits, but that’s no reason to leave fruit off your plate. Most fruit is high in folic acid, another B vitamin your body may lack. Fruit is also high in fiber. High-fiber diets may reduce your risk of obesity, heart disease, and diabetes.
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.
What medications should not be taken with B12?
Certain medications can decrease the absorption of vitamin B12, including: colchicine, metformin, extended-release potassium products, antibiotics (such as gentamicin, neomycin, tobramycin), anti-seizure medications (such as phenobarbital, phenytoin, primidone), medications to treat heartburn (such as H2 blockers
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.
How do I know if Im getting enough B12?
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.
Does B12 help you lose weight?
If you want to lose excess weight, vitamin B12 has been linked to weight loss and energy enhancing. Vitamin B12 plays a major role in the body’s essential functions, including DNA synthesis. Vitamin B12 also helps the body convert fats and proteins into energy.
Does B12 grow hair?
B12 promotes healthy hair growth by assisting in the production of oxygen-rich red blood cells, which feed hair follicles. Your hair is made of a protein called keratin. Since B12 helps produce red blood cells, having enough of this vitamin is essential to the hair growth process.