Can children (less than 18 years old) take Serenol? Julia November 15, 2019 15:11 Updated Follow Serenol has not been studied for use by children under 18 years old. Related articles If I forgot to take Serenol one day, should I double my dose the next day? Do I have to take Serenol with food? How long before or after meals? Do I take it at bedtime? What symptoms does Serenol help? Can I take Serenol if I am allergic to pollen? Who can or should use Serenol? Comments 0 comments Article is closed for comments.