An open label, balanced, randomized, two-treatment, four-period, two-sequence, single-dose, crossover fully replicate bioequivalence study comparing Mesalamine delayed release capsules 400 mg manufactured by Sun Pharmaceutical Industries Limited, India with Mesalamine Delayed-Release Capsules 400 mg, manufactured for Teva Pharmaceuticals USA, Inc. Parsippany, NJ 07054, in healthy, adult, human subjects under fasting condition.