Out of stock Quick view Quinine Bark 1 kg. Bulk Powder $50.00 $42.00 Quinine or Red Cinchona (Cinchona officinalis) bark – 32 oz. (1 kg.) bulk powder. Bulk orders are prepared once a week (Thursdays). Each order is prepared in the order it is received. Cut-off time for bulk orders is each Thursday at 10 AM... $50.00 $42.00 Out of stock Quick view Qty in Cart: 0 Price: $50.00 $42.00 Subtotal: Out of stock