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The recommended daily intake (RDI) for vitamin B12 for people over 14 is 2.4 micrograms (mcg) . However, you may want to take more or less, depending on your age, lifestyle, and specific...
The recommended daily amount of vitamin B-12 for adults is 2.4 micrograms (mcg). Most people can get enough vitamin B-12 in the foods they eat. But people who follow a vegetarian or vegan diet should eat nutritional yeast and other foods fortified with vitamin B-12.
What are the suggested amounts for vitamin B12 by age? The National Institutes of Health (NIH) recommends a daily B12 allowance of 2.4 mcg (micrograms) for the average adult. [3] However, vitamin B12 intake can be particularly important for children, and how much B12 per day you need can be linearly related to age.
How much vitamin B12 do I need? The amount of vitamin B12 you need each day depends on your age. Average daily recommended amounts for different ages are listed below in micrograms (mcg).
For reference, the recommended daily intake (RDI) of vitamin B12 is 2.4 mcg for both men and women, though pregnant and breastfeeding women have a higher need .
How much vitamin B-12 should you take? The recommended dietary allowance (RDA) includes the vitamin B-12 you get from both food and any supplements you take. Even at high doses, vitamin...
Dietary intake of vitamin B12 through breast milk, infant formula and table foods is vital. The recommended daily dosage for adults over 18 years old is 2.4 micrograms. Most adults consume at least this amount from their diets alone, given that they eat animal products like meats, seafood, dairy and eggs.
How Much Vitamin B12 Do We Need? I recommend: Those over 65 years of age should take at least 1,000 mcg (µg) cyanocobalamin every day. And, here’s a tip: If you’re experiencing deficiency symptoms, the best test is a urine MMA—not serum B12 level). How much vitamin B12 should be taken at different stages of life?
Experts suggest that if a patient’s serum vitamin B12 level is between 150 to 399 pg/mL (111 to 294 pmol/L), the patient’s serum MMA levels should be checked to help confirm a diagnosis of vitamin B12 deficiency [7, 9].
If your vitamin B12 levels are low, a common recommended OTC dose is about 1,000 mcg daily. But your healthcare provider can advise you about how much vitamin B12 you should look for in a supplement. The amount of vitamin B12 in OTC dietary supplements varies.