What is the recommended dose of Serenol? Julia November 15, 2019 15:11 Updated Follow The daily dose of Serenol is two tablets, taken once a day, with or without food. Related articles Do I have to take Serenol with food? How long before or after meals? Do I take it at bedtime? What are the major side effects of Serenol? Can you take Serenol if you are taking birth control? What symptoms does Serenol help? Can children (less than 18 years old) take Serenol? Comments 0 comments Article is closed for comments.