the Vitamin B complex (collectively), or a particular member of it (as totum pro parte)
çekim: çoğul Vitamine B · tamlayan Vitamins B
eş: B-Vitamin
köken: From Vitamin (“vitamin”), the umbrella term. This subgroup was categorised by Elmer McCollum in 1916 as water-soluble factor B (later vitamin B), hence the letter B.