This is a randomized, two-treatment, two-period, two-sequence, single dose, crossover bioequivalence study to compare Omeprazole 40 mg Delayed Release Capsules (Dr.Reddy's Laboratories Ltd.,) with Prilosec® 40 mg (Omeprazole Delayed Release Capsules (manufactured by Merck & Co., Inc., USA) in 44 healthy, adult, human subjects under fasting conditions.