Hello, according to your question, Tomson Bianjian West Indian Cherry Candy Tablets (formerly West Indian Cherry Chewable Tablets) are made of concentrated West Indian Cherry powder in Brazil's green fruit period, which is rich in natural vitamin C .. Each tablet contains natural vitamin c50mg, vitamins A, E, P, vitamin B, and various minerals (calcium, iron, potassium, manganese, zinc, magnesium, etc.). It is best to take it after dinner. I hope my reply can help you. Here's to health.