Supplied / PackagingStresstabs Allbee C-550: Each yellow capsule, printed “W-R” contains: vitamin C (ascorbic acid) 550 mg, vitamin B 1 (thiamine mononitrate) 15 mg, vitamin B 2 (riboflavin) 10 mg, niacinamide 50 mg, vitamin B 6 (pyridoxine HCl) 5 mg, pantothenic acid (calcium pantothenate) 10 mg. Nonmedicinal ingredients: cornstarch, D&C Yellow No.10, FD&C Yellow No.6, gelatin, magnesium stearate, mineral oil, silicon dioxide, sodium lauryl sulfate, titanium dioxide and vanilla flavor. Bottles of 100.