flouride

Fluoride can strengthen tooth enamel and help prevent cavities, but high exposure has raised concerns about possible thyroid and brain effects.

• Fluoride in water and toothpaste: It is added to many water supplies and toothpastes because it strengthens tooth mineral structures and can reduce tooth decay. 1 2
• Benefits versus risks: The balance is debated. The potential health concerns discussed include thyroid disruption and possible effects on brain function at elevated exposure; the amount consumed matters. 3 4
• Hydroxyapatite toothpaste: For someone seeking a fluoride-free option, Huberman describes toothpastes containing hydroxyapatite as an alternative intended to support remineralization. 5
• Oral hygiene: Brushing and flossing remain important for dental health, whether or not fluoride is used. 6