- 1 How much B-12 should you take a day?
- 2 What is Vitamin B12 1000 mcg used for?
- 3 When should I take B12 morning or night?
- 4 What is a normal B12 level for a woman?
- 5 How do I know if Im getting enough B12?
- 6 Does B12 help you lose weight?
- 7 Can you take B12 everyday?
- 8 What should you not take with B12?
- 9 How long does it take for B12 supplements to work?
- 10 Can Vitamin B12 damage your liver?
- 11 Does B12 keep you awake at night?
- 12 Does B12 give you energy?
- 13 Should I be worried if my B12 is high?
- 14 What are symptoms of low B12?
- 15 Is 500 a good B12 level?
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.
What is Vitamin B12 1000 mcg used for?
Vitamin B12 is taken by mouth to treat and prevent vitamin B12 deficiency, a condition in which vitamin B12 levels in the blood are too low. Vitamin B12 is also taken by mouth for memory loss, Alzheimer’s disease, to slow aging, and to boost mood, energy, concentration, mental function, and the immune system.
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 is a normal B12 level for a woman?
Understanding the Results
But a normal level of vitamin B12 in your bloodstream is generally between 190 and 950 picograms per milliliter (pg/mL). Between 200 to 300 pg/mL is considered borderline and your doctor may do more testing. Below 200 pg/mL is low and more testing is needed.
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.
Can you take B12 everyday?
The recommended daily intake (RDI) for vitamin B12 for people over 14 is 2.4 mcg (1). However, you may want to take more or less, depending on your age, lifestyle, and specific situation.
What should you not take 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 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.
Can Vitamin B12 damage your liver?
Some studies have indicated that elevated serum levels of vitamin B12 might be a sign of a serious and life-threatening disease. Such falsely high valued of serum vitamin B12 levels are observed in myeloproliferative disease, acute hepatitis, severe alcoholic liver disease, and cirrhosis.
Does B12 keep you awake at night?
B12 greatly impacts your sleep, too, as studies have linked low levels of the vitamin with insomnia. It also turns out your sleep-wake cycles are regulated by the vitamin.
Does B12 give you energy?
Vitamin B12 is involved in energy production in your body. Taking a supplement may improve your energy level, but only if you‘re deficient in this vitamin.
Should I be worried if my B12 is high?
Though daily high doses of B12 are unlikely to cause harm in most people, extremely high doses should be avoided unless prescribed by a healthcare professional. If you think you may be deficient in B12, speak with your doctor, who can recommend an appropriate treatment based on your level of deficiency.
What are symptoms of low B12?
Symptoms of vitamin B12 deficiency
- a pale yellow tinge to your skin.
- a sore and red tongue (glossitis)
- mouth ulcers.
- pins and needles (paraesthesia)
- changes in the way that you walk and move around.
- disturbed vision.
Is 500 a good B12 level?
The vitamin B12 standard reference range is 200–700 pg/ml whereas the proposed optimal range is 500–1300 pg/ml . Higher vitamin B12 ranges have been associated with increased cognitive function, and reflexes, decreased brain atrophy, confusion, weakness and depression .