Fluoride
Body function
Strengthens tooth enamel and helps prevent dental decay; supports bone structure
Daily requirement
~3 mg/day (women), ~4 mg/day (men)
Deficiency signs
Increased risk of tooth decay
Excess risks
Dental fluorosis (mottled enamel) in children with excess; skeletal effects at very high chronic intakes
At-risk groups
Children who swallow toothpaste; areas with very high natural water fluoride
Supplement forms
Mainly from fluoridated water and toothpaste; drops or tablets only on professional advice
Educational information only — not medical advice. This content does not diagnose, treat, or replace consultation with a qualified healthcare professional. Always seek professional medical advice for symptoms, supplement use, or health concerns.