Progressive Labs C Aspa Scorb 8oz. A mineral transporter. Calcium and Sodium ascorbate have intentionally been left out of this formula. Recommended use: Take 1 teaspoon per day, or as directed by a healthcare professional. Add 1 teaspoon to 6 oz. of fruit juice, vegetable juice, or water and stir until dissolved. Drink Immediately. Progressive Labs C Aspa Scorb Facts: 1 tsp contains: Vitamin C (from ascorbic acid, magnesium ascorbate, potassium ascorbate, zinc ascorbate, maganese ascorbate, and selenium ascorbate) 4000 mg Magnesium (from magnesium ascorbate and magnesium aspartate) 250 mg Potassium (from potassium ascorbate and potassium aspartate) 96 mg Zinc (from zinc ascorbate) 30 mg Manganese (from manganese ascorbate) 4 mg Selenium (from selenium ascorbate) 50 mcg Other Ingredients: silicon dioxide.