Infants and children up to 3 years of age: Give 5 drops, once a day. Adults, Adolescents and Children 4 years or older: Take orally 5 drops, one to three times per day, or as directed by a healthcare professional. Do not allow the dropper to come in contact with any liquid, including saliva. If antiobiotics are being taken, take at least 2-3 hours before or after antibiotics. Do not exceed recommended daily intake unless advised by a suitably qualified person.