Sisu Ester-C 600mg 240caps

The calcium in Ester-C provides part of your daily calcium requirements

Active vitamin C metabolites including L-threonate, which enhance cellular absorption and retention

Last up to 24 hours in the white blood cells of the immune system

Less acidic and easier on the stomach than ascorbic acid

Enhanced with antioxidant bioflavonoids from citrus fruits for superior absorption

Higher bioavailability and retention rate than other forms of vitamin C

Take 1-2 capsules daily