Dayang Multivitamins Effervescent Orange 20 Tablets is a food supplement of vitamins and minerals with sweeteners.Vitamins B1, B2, B3, B5, B6, B8, B12 and C, as well as copper, iron, magnesium and manganese contribute to normal energy metabolism.Vitamins B2, B3, B5, B6, B9, B12 and C, as well as magnesium and iron, contribute to normal energy metabolism. Vitamins B2, B3, B5, B6, B9, B12 and C, as well as magnesium and iron, contribute to reduce fatigue.orange flavor.Food supplements should never replace a healthy, diversified and balanced diet and a healthy lifestyle.