Is 1000 μg of B-12 too much?
Is 1000 μg of B-12 too much? Though doses of up to 2,000 mcg of vitamin B12 are considered safe, it's best to speak to a doctor to find out whether taking a supplement is necessary. Most people can fill their B12 needs through a healthy diet. Some, such as older adults or those with certain dietary restrictions, should supplement. What is vitamin B12 1000 mcg good for? 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...