Does Borax Remove Fluoride From Your Body? The Evidence
A viral Spanish-language post — shared over 168,000 times — claims "borax eliminates fluoride from the body" and calls it a "supercure" that "they banned in 32 countries." Here is what the science actually says.
Evidence Tier: ❌ No evidence that borax removes fluoride — and swallowing it is dangerous. (One specific medical use of boric acid is real — 🥈 Silver — but it has nothing to do with fluoride.)
📋 Simple Summary
Borax is not a medicine. It is a laundry booster, a household cleaner, and a bug killer. The viral claim that it pulls fluoride out of your body is made up — no study has ever shown this. It was banned as a food ingredient because it can harm you, not because "they" are hiding a cure. The one real medical use of a close cousin (boric acid) is for a specific kind of yeast infection, prescribed by a doctor. Swallowing borax as a "detox" has sent people to the hospital with kidney damage.
The detailed breakdown continues below…
Category: Supplements & Compounds · Detox · Debunk
The claim, spelled out
Here is the claim from the post, in plain words:
"Borax eliminates fluoride from the body. It was banned in 32 countries. Borax — the supercure."
The account is "The Eagle flies free" (@Fa21519230). The post has huge numbers — over 168,000 views, 5,461 likes, 2,026 retweets. That reach is exactly why this one matters: thousands of people are about to search "does borax remove fluoride," and right now the only answer they find is his.
The post actually gives away its own problem in one sentence. It says "Borax kills fleas and ticks." It kills fleas and ticks because it is toxic. Something poisonous to pests is being repackaged as a health tonic for people. That is the core mistake, and it is the whole story in one sentence.
What borax actually is
Borax is sodium tetraborate — a mineral salt sold as a laundry booster, a household cleaner, and an insecticide. It is not a supplement. It is not food. It is a cleaning product that happens to contain an element called boron.
Boron itself is a real trace mineral your body uses in tiny amounts. But "boron is a nutrient" and "borax is safe to swallow" are two completely different sentences. It is like the difference between the iron in your blood and swallowing iron filings.
Why the claim is false — three layers
| The claim | The reality |
|---|---|
| "Eliminates fluoride from the body" | ❌ Fabricated. No study exists. I searched the medical literature for "borax + fluoride" and found nothing about human health. There is no mechanism, no paper, no evidence at all. |
| "Banned in 32 countries" | 🟡 Misleading. Borates were banned as a food additive (called E285) in the European Union in 2010 — because they are reproductive toxins, not because of fluoride. "Banned because it works" is a classic myth. |
| "The supercure" | ❌ Dangerous. Swallowing borax causes nausea, vomiting, and diarrhea — and in serious cases, kidney damage, seizures, coma, and death. |
The one thing that IS real (being fair)
I do not want to pretend every part of this is fake, because one part is genuinely true. The fairness is what makes the rest of the verdict stick.
Boric acid — a close cousin of borax — is a real, evidence-backed treatment for one specific problem: repeated yeast infections. It is in the Centers for Disease Control and Prevention's own treatment guidelines. A doctor prescribes it as a vaginal suppository.
Boric acid was also used as a mild antiseptic (a dilute eye wash and wound powder) going back to the late 1800s. And boron itself is a trace nutrient with a real role in bone health.
Now notice what all of these share: they are topical, specific, and tiny doses. None of them is "swallow borax as a detox." The real medicine uses the cleaned-up chemical, for one named condition, at a dose a doctor controls.
What "old-world wisdom" actually says
People often defend borax by pointing to traditional medicine. Let me be honest about what those traditions actually say, because it does not help the claim.
- Borax does appear in Ayurveda (as "suhaga") and Traditional Chinese Medicine (as "peng sha").
- But both traditions treat it as a substance that must be purified and used in tiny doses for specific conditions — and they explicitly warn about its toxicity.
- None of them use it as a "fluoride remover." Not one.
That last point is the decisive one. "Detoxing fluoride" is a modern idea. Water fluoridation only started around 1945. Old-world medicine cannot have a cure for a problem it never knew existed. You cannot claim "ancient wisdom" for something invented on the internet in the last decade.
As for "Amish secret cure" — there is no documented Amish internal borax remedy. Amish folk medicine is herbal: black walnut, garlic, honey, vinegar. "Amish remedy" is a known marketing trick grifters use because it sounds authentic and is impossible to check. It is a red flag, not a source.
The honest verdict
| Claim | Truth |
|---|---|
| "Borax is ancient medicine" | 🟡 Partly true — but for specific topical uses, in tiny purified doses. |
| "Borax removes fluoride" | ❌ No basis in modern science or any tradition. It is a modern invention. |
| "Amish secret cure" | ❌ Marketing trick. No evidence. |
| "Banned because it works" | ❌ Banned as a food additive because it is a reproductive toxin. |
Bottom line: do not ingest borax. Do not put it in water. Do not share this as health advice. It is a laundry product that kills bugs.
What this means for you
If the fluoride question is what actually worries you, the honest answer is simple: community water fluoridation is one of the most-studied public health measures in history, and at the levels used, it safely reduces tooth decay. If you want to limit fluoride, the real lever is using fluoride-free toothpaste and filtering your water — not swallowing a pesticide.
And if you are curious about the one real ingredient in this story — the mineral boron — we have a full, honest page on it: boron, what the evidence actually says. Boron is a legitimate, underrated mineral. Borax is not the way to get it.
Frequently Asked Questions
Does borax remove fluoride from the body?
No. There is no study showing borax removes fluoride, and no biological reason it would. The entire "borax detoxes fluoride" idea is a modern internet invention with no science behind it.
Is borax safe to drink as a "detox"?
No. Borax is toxic when swallowed. It causes nausea, vomiting, and diarrhea, and serious cases have led to kidney damage, seizures, coma, and death. It is a laundry product and insecticide, not a food or supplement.
Why was borax banned in some countries?
Boron compounds were banned as a food additive (E285) in the European Union in 2010 because they are reproductive toxins. The ban had nothing to do with fluoride and everything to do with safety.
Is boric acid ever used as real medicine?
Yes, for one specific thing. Boric acid is a legitimate, doctor-prescribed treatment for repeated yeast infections (vulvovaginal candidiasis), and it appears in CDC treatment guidelines. It is topical and dose-controlled — very different from drinking borax.
Is borax the same as the mineral boron?
No. Boron is a trace mineral your body needs in tiny amounts (good for bones). Borax is sodium tetraborate — a chemical made from boron that is used as a cleaner and insecticide. "Boron is a nutrient" does not mean "borax is safe to eat."
Sources
- Hadrup N et al. Toxicity of boric acid, borax and other boron containing compounds: A review. Regulatory Toxicology and Pharmacology. 2021. PMID: 33485927
- Schillinger BM et al. Boric acid poisoning. J Emerg Nurs. 1982. PMID: 6216273
- Spacco G et al. Unintentional boric acid exposure: a case report and boron level monitoring. 2025. PMID: 41120974
- Pahl MV et al. Boron and the kidney. J Ren Nutr. 2005. PMID: 16198928
- Iavazzo C et al. Boric acid for recurrent vulvovaginal candidiasis: the clinical evidence. J Womens Health. 2011. PMID: 21774671
- Nyirjesy P et al. Vulvovaginal Candidiasis: A Review of the Evidence for the 2021 Centers for Disease Control and Prevention Guidelines. Clin Infect Dis. 2022. PMID: 35416967
- Khaliq H et al. The Physiological Role of Boron on Health. Biol Trace Elem Res. 2018. PMID: 29546541
Medical Disclaimer: This page is for educational purposes only and does not constitute medical advice. We are researchers, not doctors. Borax is toxic and should never be swallowed. If you or someone you know has ingested borax, contact Poison Control immediately. Always consult a medical professional about your health.