Fluoride

Sources

• Aluminium cookware and utensils
• Certain drinking water
• ​Certain fish/shellfish
• Combustion of coal (containing fluoride impurities) 
• Dental products - toothpaste, mouthwash, fluoride varnish and others​
• Fluoridated water
• Fluorinated pharmaceuticals
• Grape products, dried fruit, dried beans, cocoa powder, walnuts (all from fluoride pesticide use)
• Glass-etching or chrome-cleaning agents
• ​Industrial workplace settings
• Mechanically deboned meat
• Manufacturing processes - steel, copper, nickel, glass, brick, ceramic, glues and adhesives
• Processed beverages - beer, wine, fizzy drinks, certain sports drinks, sugar/fructose drinks
• Pesticides 
• Tea drinks - tea plants absorb fluoride from the soil