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Fluoride-Free Toothpaste Powered by CacaoOutperforms both Fluoride and Nanohydroxyapatite in every way
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non-toxic.loved by dentists.powered by cacao.reduces sensitivity.FDA cleared.fluoride-free.safe for children.

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What Makes Theodent the #1 Alternative to Fluoride?Theodent is a landmark breakthrough in oral care. Our patented technology, Rennou™, harnesses the power of cacao to deliver top-tier protection without the toxicity. Simply, Theodent is a safer AND more effective option than fluoride-based toothpastes.
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Committed to Premium IngredientsTheodent is a landmark breakthrough in oral care. Our patented technology, Rennou™, harnesses the power of cacao to deliver top-tier protection without the toxicity. Simply, Theodent is a safer AND more effective option than fluoride-based toothpastes.
Learn more about our ingredients

Store LocatorOur official distributors around the world are stocked with Theodent and ready to assist all of your oral-health needs.
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Us vs themNo compromises, just clean and effective oral care. Theodent toothpaste is the only option that rapidly remineralizes enamel, reduces sensitivity, and contains non-toxic, clean ingredients.

[IMG: Mainstream Science Catches Up to Long-Standing Fluoride Concerns]
Mainstream Science Catches Up to Long-Standing Fluoride Concerns
Recent findings from the National Toxicology Program are bringing long-standing concerns about fluoride into the mainstream. This groundbreaking study reveals a potential link between higher fluori...
[IMG: Theodent Partners with Lovell to Serve Those Who]
Theodent Partners with Lovell to Serve Those Who've Served Us
Theodent's partnership with Lovell Government Contracting Agency marks a pivotal moment in veterans' oral health care. Now listed on national contracts, our fluoride-free, Rennou™-powered toothpast...
[IMG: Cultivating Healthy Dental Habits in Kids with Fluoride-Free Chocolate Chip Toothpaste]
Cultivating Healthy Dental Habits in Kids with Fluoride-Free Chocolate Chip Toothpaste
Discover how Theodent Kids, with its unique chocolate chip flavor and revolutionary ingredient Rennou™, transforms children's oral care. Dive into our blog to explore why dental hygiene is crucial ...
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[IMG: Proudly Fluoride Free]
[IMG: SLS Free]
[IMG: Made in USA]
[IMG: Recyclable]
[IMG: Vegan]
[IMG: Gluten Free]

THE TECHNOLOGYWhat Makes Theodent Different
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It Started with an AccidentMany of our most important medical discoveries were not planned. Penicillin came from a contaminated petri dish. X-rays were found while studying cathode rays. Theodent has a similar origin story.In the early 1990s, Dr. Tetsuo Nakamoto, a researcher at the LSU School of Dentistry, was studying how caffeine affects teeth when he noticed something odd about a closely related molecule called theobromine, which occurs naturally in cacao. Where caffeine damaged enamel, theobromine did the opposite. It appeared to grow the hydroxyapatite crystals that make up tooth enamel, producing crystals that were larger and more acid-resistant than those formed by fluoride. Earlier research had noted that cacao seemed to have some protective dental effect, but no one had identified the specific mechanism or pursued its application in oral care.Dr. Nakamoto did. His team isolated theobromine from cacao, stripped out the fats and sugars you'd find in processed chocolate, and combined it with calcium and phosphate in a specific ratio. The result is Rennou, the patented active ingredient in every Theodent product. The formulation and its application to oral care are covered by patents that Theodent holds exclusively.

How Rennou WorksYour teeth are made of hydroxyapatite crystals. Every day, acids from food, drinks, and oral bacteria dissolve small amounts of these crystals, a process called demineralization. Saliva carries calcium and phosphate to repair the damage, but the replacement crystals tend to be small and slow to form.Rennou accelerates that repair process and improves the quality of the result. When the active molecule in Rennou contacts the tooth surface, it causes calcium and phosphate ions already present in your saliva to organize into crystal units roughly four times larger than normal hydroxyapatite (Global Journal of Medical Pharmaceutical and Biomedical Update, 2025). Because larger crystals have less surface area relative to their volume, they are significantly harder for acids to dissolve.The important distinction here is that Rennou works at the ionic level. It doesn't deposit material onto the tooth. The minerals doing the actual rebuilding come from your own saliva; Rennou provides the molecular trigger that causes them to form bigger, better-organized structures. The formulation is theobromine combined with calcium and phosphate in a proprietary ratio developed over years of research

Why Not Fluoride?Fluoride has been the default in oral care for over a century. It works by forming fluorohydroxyapatite crystals, which are more acid-resistant than normal enamel. On that narrow measure, it's effective. But fluoride is also a neurotoxicant, and every fluoride toothpaste sold in the United States is required by the FDA to carry a Poison Control warning.In 2011, Poison Control Centers logged 21,513 calls related to fluoride toothpaste ingestion. A 2019 study in JAMA Pediatrics linked maternal fluoride exposure during pregnancy to reduced IQ in offspring. Earlier research has connected excessive fluoride intake to increased risk of bone fracture (Pediatrics, 1986) and dental fluorosis. This is especially relevant for young children, who ingest between 30% and 75% of their toothpaste while brushing (BMC Oral Health, 2006). The ADA's recommendation is a pea-sized amount starting at age two, which, if you've ever brushed a toddler's teeth, you know is more aspirational than practical.Rennou produces larger, more acid-resistant crystals than fluoride without any of these toxicity concerns.

Why Not Nano-Hydroxyapatite?Most fluoride-free toothpastes on the market today use nano-hydroxyapatite, or nHA. It's worth understanding what nHA actually does, because the mechanism is fundamentally different from Rennou's.Remineralization requires calcium and phosphate in ionic form. Ions are what integrate into your enamel's crystal lattice. Whole particles can't do that. They have to break down first. nHA is made up of synthetic hydroxyapatite particles that are applied to the tooth surface, where they sit until they dissolve into their ionic components. The problem is that this dissolution is slow and inefficient, which is why nHA toothpastes need to use enormous concentrations to show results. Most nHA formulas run between 5% and 10% of the total paste, which works out to roughly 50,000 to 100,000 ppm of the ingredient. For context, fluoride toothpaste uses 1,000 to 1,500 ppm. nHA isn't really acting as an active ingredient at those levels. It's more like flooding the zone with a relatively inert material and hoping enough of it breaks down to be useful.Rennou takes the opposite approach. Its active molecule is present at a concentration well below that of fluoride, yet clinical data shows 71x more effective remineralization (Caries Research, 2013). That's possible because Rennou works at the ionic level from the start. Rather than waiting for particles to dissolve, it directly catalyzes the organization of calcium and phosphate ions that are already available in your saliva.There's a market distinction worth noting as well. nHA is a commodity ingredient with no IP protection. Any company can buy it and put it in a tube. Rennou is patented, and the patents are held by Theodent. That's why you won't find it in any other product.

Safe for EveryoneRennou carries the US FDA's highest food safety designation, GRAS (Generally Recognized as Safe). At the concentrations present in Theodent toothpaste, Rennou poses no toxicity risk, and the product is safe if swallowed during normal use. That's why Theodent products do not carry a Poison Control warning.For parents, this is a meaningful difference. Young children swallow most of their toothpaste. With fluoride, that's a problem serious enough to warrant a federal warning label. With Theodent, it isn't. Theodent Kids comes in flavors that children are genuinely enthusiastic about, which helps with the twice-a-day brushing routine, and you don't need to supervise every spit.Theodent Classic and Theodent 300 are formulated for adults who want a premium oral care product backed by actual clinical research. The published studies are listed on our Clinical Information page, and the peer-reviewed literature on theobromine and remineralization continues to grow.

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Theodent Classic
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(4.7)Achieve peak oral hygiene without fluoride. The solution has existed in nature all along: cacao! An organic compound proven to contain extraordinary oral health benefits was discovered in the fruit of the cacao tree. Theodent Classic toothpaste harnesses the power of this organic compound through Rennou™, a patented technology available only in Theodent products. Strengthen your smile with Theodent Classic.
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[IMG: Proudly Fluoride Free]
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[H1] Theodent Classic
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Achieve peak oral hygiene without fluoride. The solution has existed in nature all along: cacao! An organic compound proven to contain extraordinary oral health benefits was discovered in the fruit of the cacao tree. Theodent Classic toothpaste harnesses the power of this organic compound through Rennou™, a patented technology available only in Theodent products. Strengthen your smile with Theodent Classic.
How to Use
Brush twice daily for two minutes. Rinse and repeat.
Ingredients
Aqua/Water/Eau, Hydrated Silica, Xylitol, Sorbitol, Glycerin, Sodium Lauroyl Sarcosinate, Xanthan Gum, Theobromine, Calcium Acetate, Disodium Phosphate, Citric Acid, Sodium Bicarbonate, Sodium Benzoate, Sodium Chloride, Stevioside, FlavorClick here for more information.
Specifications
3.4 oz (96.4g) Silky smooth transluscent paste. Approximately two months of twice-daily use. You may travel on an airplane with this tube!

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Theodent 300Our most concentrated Rennou™ formula. Theodent 300 delivers the highest level of protection in the world — engineered for those who need serious remineralization and sensitivity relief.Best for: Hypersensitivity, enamel erosion, or anyone who wants the absolute best.Theodent classicOur flagship. Clinically proven Rennou® technology in a twice-daily toothpaste that remineralizes enamel, reduces sensitivity, and keeps your smile at its best, all without fluoride. The toothpaste that started it all.Best for: Daily protection for the whole family.Theodent KidsThe same patented science, formulated to be as gentle as possible for developing teeth. A formula parents can feel good about, even if they swallow it.Best for: Children who deserve better than fluoride.

[IMG: Proudly Fluoride Free]
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[H1] Theodent Kids Toothpaste
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Help your child achieve optimal oral hygiene without fluoride. The solution has existed in nature all along: cacao! An organic compound proven to contain extraordinary oral health benefits was discovered in the fruit of the cacao tree. Theodent Kids toothpaste harnesses the power of this organic compound through Rennou™, a patented technology available only in Theodent products. Theodent Kids also has a yummy chocolate flavor that kids love, making it easy to convince them to brush twice a day. Strengthen your child’s smile, safely, with Theodent Kids.
How to Use
Brush twice daily for two minutes. Rinse and repeat.
Ingredients
Aqua/Water/Eau, Hydrated Silica, Xylitol, Sorbitol, Glycerin, Sodium Lauroyl Sarcosinate, Xanthan Gum, Theobromine, Calcium Acetate, Disodium Phosphate, Citric Acid, Sodium Bicarbonate, Sodium Benzoate, Sodium Chloride, Stevioside, FlavorClick here for more information.
Specifications
3.4 oz (96.4g) Silky smooth transluscent paste. Approximately two months of twice-daily use. You may travel on an airplane with this tube!

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Theodent 300Our most concentrated Rennou™ formula. Theodent 300 delivers the highest level of protection in the world — engineered for those who need serious remineralization and sensitivity relief.Best for: Hypersensitivity, enamel erosion, or anyone who wants the absolute best.Theodent classicOur flagship. Clinically proven Rennou® technology in a twice-daily toothpaste that remineralizes enamel, reduces sensitivity, and keeps your smile at its best, all without fluoride. The toothpaste that started it all.Best for: Daily protection for the whole family.Theodent KidsThe same patented science, formulated to be as gentle as possible for developing teeth. A formula parents can feel good about, even if they swallow it.Best for: Children who deserve better than fluoride.

[IMG: Proudly Fluoride Free]
[IMG: SLS Free]
[IMG: Made in USA]
[IMG: Recyclable]
[IMG: Vegan]
[IMG: Gluten Free]