Definitions:

1. A group of water-soluble vitamins that are found especially in yeast, seed germs, eggs, liver, meat, and vegetables, and that have varied metabolic functions that include coenzymes and growth factors. NOUN
   • Many people take B-complex vitamin to boost their energy levels.
2. A supplement that usually delivers eight of the B vitamins, that play essential roles in certain bodily functions, such as helping your body make energy from the food you eat and forming red blood cells. NOUN
   • B-complex vitamin is important for maintaining healthy vision.
   • The doctor recommended taking a daily dose of B-complex vitamin.

Synonyms:

• b-complex supplement