For maximum absorption, dissolve under the tongue. May be chewed and swallowed. Adults and children 12 years and older: 2 tablets every 4 hours. Do not exceed 12 tablets in 24 hours. Children 4 to 11 years: 1 tablet every 4 hours. Do not exceed 6 tablets in 24 hours. For children under 4 years, consult a healthcare professional.