Vitamin B12 is a water-soluble nutrient that’s required for many crucial processes in your body.The ideal dose of vitamin B12 varies based on your gender, age, and reasons for taking it.This article examines the evidence behind the recommended dosages for B12 for different people and uses.It’s necessary for proper red blood cell production, DNA formation, nerve function, and metabolism (Vitamin B12 also plays a key role in reducing levels of an amino acid called homocysteine, high levels of which have been linked to chronic conditions like heart disease, stroke, and Alzheimer’s (Additionally, vitamin B12 is important for energy production. The general recommendation for adults is 2.4 mcg.

Consume 6 of more servings of high-fiber whole grains such as brown rice and whole-wheat bread. Diet-related.

Nutritional supplements and vitamin formulas also provide vitamin B12 in a tablet, powder or liquid form.Ask your doctor before using any dietary supplements. Over time, B12 deficiency can lead to complications like anemia, nerve damage, and fatigue.The following factors may put you at a higher risk of not getting enough vitamin B12 from diet alone (If you’re at risk of deficiency, taking a supplement may help you meet your needs. Often, however, vitamin B12 injections are used to avoid the unreliable route of absorption through the intestines.Today, high-dose vitamin B12 is used in the treatment of various diseases. If you have a condition, check with your health care provider for your exact vitamin B12 requirement. According to a review published in Nutrients, for healthy vegans and vegetarians to meet the daily requirement for vitamin B12, taking one oral dose of 50–100 micrograms daily appears to be sufficient. Our website services, content, and products are for informational purposes only. Older addults require 2.4 micrograms or mcg of vitamin B12 daily, notes the Linus Pauling Institute. Healthline Media does not provide medical advice, diagnosis, or treatment.

Vitamin B12 Dosage for Certain Conditions. Older adults may also be recommended to obtain an additional 100 to 400 mcg of vitamin B12 … Different types of shellfish such as clams, mussels and crab also provide vitamin B12. Palacios enjoys cooking with wine, and sometimes even adding it to the food. Yet, there’s currently no evidence that B12 supplements improve memory in humans who aren’t deficient (In a large review, vitamin B12 supplements had no effect on depressive symptoms in the short term but may help prevent relapse over the long term (There are no specific dosage recommendations for B12 supplements for mental performance or mood. Aim for lean meats, poultry, fish and low-fat dairy products. Dosing Information of Vitamin B12 in Dogs and Cats.

Especially in America, for example, many doctors recommend taking 2000 μg per week: 1.5 μg + 2000/100 μg = 21.5 μg. Data not available. The most common cause of vitamin B12 deficiency in the UK is pernicious anaemia, which is not related to your diet. 2020 However, there’s currently no evidence that taking B12 supplements increases energy levels in people who are not deficient in this nutrient (Vitamin B12 is found mostly in animal products, including meats, seafood, dairy products, and eggs.

Copyright © Data not available.

Most people meet these needs through diet alone, but older adults, people on strict plant-based diets, and those with digestive disorders may benefit from supplements, though dosages vary based on individual needs.© 2005-2020 Healthline Media a Red Ventures Company. He has a Master of Science in dietetics and nutrition and specializes in health and nutrition articles for the general public. Tufts University recommends for older adults to focus on vitamin B12-fortified food products to ensure adequate intake and absorption. 0.5 to 3 mcg daily.