Is it OK to take 2 1000 mcg of B12 a day?
Is it OK to take 2 1000 mcg of B12 a day? 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 […]