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What is normal vitamin B12 level?
Normal values are 160 to 950 picograms per milliliter (pg/mL), or 118 to 701 picomoles per liter (pmol/L). Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or may test different samples. Talk to your provider about what your specific test results mean.
What is vitamin B12 good for?
What is vitamin B12 and what does it do? Vitamin B12 is a nutrient that helps keep your body’s blood and nerve cells healthy and helps make DNA, the genetic material in all of your cells. Vitamin B12 also helps prevent megaloblastic anemia, a blood condition that makes people tired and weak.
Is 20 mg of vitamin D too much?
The current recommendations suggest consuming 400–800 IU (10–20 mcg) of vitamin D per day. However, people who need more vitamin D can safely consume 1,000–4,000 IU (25–100 mcg) daily. Consuming more than this is not advised, as it is not linked to any extra health benefits.
How much B12 does a woman need daily?
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.
Can vitamin B12 damage your liver?
The common forms of vitamin B include vitamin B1 (thiamine), B2 (riboflavin), B3 (niacin), B6 (pyridoxine) and B12 (cyanocobalamin). Except for niacin (when given in high doses), there is no evidence that the other B vitamins, in physiologic or even super-physiologic high doses cause liver injury or jaundice.
Should you take B12 everyday?
While the recommended daily amount of vitamin B-12 for adults is 2.4 micrograms, higher doses have been found to be safe. Your body absorbs only as much as it needs, and any excess passes through your urine. High doses of vitamin B-12, such as those used to treat a deficiency, might cause: Headache.
How much vitamin D should I take daily?
The recommended daily amount of vitamin D is 400 international units (IU) for children up to age 12 months, 600 IU for people ages 1 to 70 years, and 800 IU for people over 70 years.
Is it better to take vitamin D every day or once a week?
Daily vitamin D was more effective than weekly, and monthly administration was the least effective.
Is it OK to take 1000 mcg of B12 a day?
The recommended dose for treating vitamin B12 deficiency is 1000 mcg daily. The recommended dose for preventing vitamin B12 deficiency is 1500 mg or 2500 mcg (sublingual tablets) daily. The dose for treating hyperhomocysteinemia is 400 mg daily in combination with folic acid.
What are the symptoms of high B12 levels?
High doses of vitamin B-12, such as those used to treat a deficiency, might cause:
- Headache.
- Nausea and vomiting.
- Diarrhea.
- Fatigue or weakness.
- Tingling sensation in hands and feet.
How many milligrams of vitamin B12 for pernicious anemia?
Patients with gastrointestinal issues may receive one-milligram doses of vitamin B12, in either injection or oral forms. Pernicious anemia: This is a condition that affects about 1 percent to 2 percent of older adults.
How much vitamin B12 is in a multivitamin?
Many store multivitamins contain high amounts of B12. An average brand may contain about 25 mcg, which is more than 400% of the recommended daily value. Check with your doctor to determine if multivitamins is right for you. There is little risk from taking too much B12, however, high amounts may interact with certain medications.
Which is the best vitamin B12 liquid drops?
Vitamin B12 Liquid Drops from Salt Lake supplements is a one of a kind supplement that can help your mind and body get extra energy, mental balance, and physical health. Vitamin B-12, also known as cobalamin, is an essential water-soluble vitamin involved in a variety of bodily functions.
How much vitamin B12 should a 50 year old take?
Vitamin B12 recommendations do not differ for people following a plant-based diet. However, the RDI of 2.4 mcg for people under 50 years of age is much harder to meet on a vegetarian or vegan diet ( 1 ). ). There are currently no government recommendations for B12 supplement dosages for vegetarians. ).