... lemon flavor,yellow 1tablets/time, 2times/day We have exported Vitamin C with box to many market, OEM are available.Effective ... components:Vitamin C, concentrated fruit juice, sodium bicarbonate, citric acid, sugar, dextrin.Color of tablet:yellowShape of tablet:Round shapeMain functions ... Co.LtdTel:0086-411-84795986,84795996Fax:0086-411-84795986 Vitamin C Effervescent Tablets