What is a mcg?

A mcg, or microgram, is a unit of measurement that is equal to one millionth of a gram. It is often used to measure small amounts of substances, such as vitamins, minerals, and medications. For example, many vitamin supplements list their doses in mcg, particularly for vitamins like vitamin D or B12.

It is important to be aware of the difference between mcg and mg (milligram), as they are both units of weight but differ by a factor of 1000. This means that 1 mg is equivalent to 1000 mcg.

When measuring medications or supplements in mcg, it is crucial to follow the recommended dosage guidelines provided by healthcare professionals or on the packaging to ensure proper dosing and avoid potential side effects or complications.