What is the max mg of omeprazole that can be taken in one day?

The maximum recommended dose of omeprazole for most adults is 40 mg per day. However, in certain conditions like Zollinger-Ellison syndrome, doses may be higher, up to 120 mg per day under medical supervision. It's essential to follow a healthcare provider's instructions regarding dosage, as individual needs can vary. Always consult a doctor before making any changes to medication.