EXPLORE A NUTRIENT
Fluoride, F
Discover how amounts vary across foods, on a shared basis for comparison.
Understand this nutrient ↓What is it?
Chemical reference: fluoride (F-). USDA reports Fluoride, F separately. [1] [2]

An identity reference, not the appearance of the food.
Description, source and attribution
Reference depiction: fluoride. Formula F-; PubChem CID 28179; charge -1. This is a chemical reference, not a depiction of its physical appearance in food.
PubChem Compound 28179, 2D Structure. NCBI / National Library of Medicine. Source · Reuse terms
Source check:
A COMMON BASIS
Foods, per 100 g
15 foods with data 191 not reported, excluded from ranking
- Plum
Plums, raw, exactly as identified by USDA.
2 µg - Watermelon
Raw watermelon, edible portion; seedless status not specified.
1.5 µg - Onion
Raw onion; variety not specified.
1.1 µg
All results are sorted before pagination. Bars compare amounts within this search; they do not indicate health benefits. Not reported does not mean zero.
UNDERSTAND THE DATA
The nutrient, in context
How to read this ranking
This page compares Fluoride, F (Fluoride, F), in µg per 100 g of food.
Chemical forms and measurement methods remain separate. “Not reported” means a value is unavailable, not that the food contains zero. A food’s rank does not determine your individual needs or diagnose a deficiency.
This NIH fact sheet concerns this nutrient. Its recommended amounts describe daily intake for the stated population, not a 100 g food portion. Keep food and supplement exposure separate as the source specifies.
NIH · OFFICE OF DIETARY SUPPLEMENTS
Fluoride: Fact Sheet for Consumers
Original text published by NIH, including intake tables by age and sex, cautions, and the population context the source states. Bitameans has not performed an independent medical review or adapted these recommendations to your personal circumstances.
What is fluoride and what does it do?
Fluoride is a mineral that helps prevent tooth decay and helps keep your bones strong.
How much fluoride do I need?
The amount of fluoride you need each day depends on your age and sex. Here are the average daily recommended amounts in milligrams (mg).
| Life Stage | Recommended Amount |
|---|---|
| Birth to 6 months | 0.01 mg |
| Infants 7–12 months | 0.5 mg |
| Children 1–3 years |
Identity and structure sources
- PubChem Compound 28179: Fluoride Ion · Accessed 2026-09-13
- USDA FoodData Central: Foundation Foods Documentation · Accessed 2026-09-13


