Research & products for natural oral health
Cavities are one of the most common health conditions in the world — yet one of the least understood in natural health. Reverse Cavity Protocol exists to change that.
What Reverse Cavity Protocol is
Gabe, founder of Reversing Autoimmune, did everything he was supposed to — and still got cavities. Already deep in the natural health world, he wanted a natural path for his teeth too. Reverse Cavity Protocol is what he built from the research.
If you don't see your question here, ask us. We typically answer the most asked questions.
Partly. Enamel that has lost minerals at the earliest stage — a chalky white spot — can take minerals back up and harden again. Once decay breaks through the surface, it can't refill; that needs a dentist.
How remineralization works →Saliva does most of the work, carrying calcium and phosphate back into weakened enamel. Fluoride and hydroxyapatite toothpastes both have randomized trials showing they help this process along.
Read the hydroxyapatite review →If it's still a white spot with the surface intact, the research says yes — consistent daily care can remineralize it. A formed hole can't grow back and needs a filling.
White spots: what helps →Usually because the layer under the enamel is exposed — receding gums or worn enamel open tiny channels that lead toward the nerve. Several ingredients have trials showing modest relief over 2–8 weeks. Pain that is new, one-sided, or getting worse is a reason to see a dentist.
The Sensitive Teeth Guide →In three head-to-head trials it prevented cavities at the same rate. Fluoride's evidence base is much larger, and most hydroxyapatite trials were manufacturer-funded — the review covers both sides.
Read the full review →The trials are small, short, and mostly negative — and charcoal is abrasive enough to wear away enamel, which doesn't grow back.
The Whitening Guide →Sensitive teeth, bleeding gums, a spot you just noticed — each guide covers what's happening, what helps, and when to see a dentist.
For parents
Two-minute episodes your child can follow while they brush — for the battles over brushing, candy, and the dentist. Each story comes with a note for you on the evidence behind it. Ages 3–8.
For each goal we review everything that's been tested and report what holds up. The three we're asked about most:
Fluoride has decades of trials behind it, and hydroxyapatite matched it in three head-to-head studies. Early lesions can remineralize — a formed cavity can't, and needs a dentist.
It dependsPotassium nitrate, arginine, and hydroxyapatite all have trials. Effects are real but modest, and the placebo response is large — the review sorts out which is which.
Mostly overclaimedCharcoal and oil pulling lead the claims. The trials are small, short, and mostly negative — and charcoal's abrasiveness can cost you enamel you don't get back.
Next live webinar
Early enamel lesions can take up minerals again; a formed cavity can't. We walk through the studies that show where that line is — and what it means for daily care.
Thu Sep 10, 2026 · 5pm ET · 60 min · Claire Watts and Marcus Hale, DDS
Live Q&A with the review team — questions are answered live only. Past sessions →
Every week we send one finding from the oral health research, explained in plain words, with the study linked. No product pitches, no filler — if a week has nothing worth your time, we skip the week.
The protocol is built directly from our research — each item at the amounts the studies used. Every order pays for the next review; no sponsors, no ad money.
Prefer to pick items individually? Browse the shop →
Help fund the research by selling our products in your practice or store. Join the partner program →
Product sales fund the research — we have no sponsors. The review team works independently of the shop: if the evidence on one of our products is negative, that's what we publish.