We Bought the 5 Most Popular Remineralizing Gums and Read Every Panel. Here's the Honest Ranking.

Why We Did This Review

We picked the 5 remineralizing gums people ask about most and put every one of them through the same 6 checks, in the same order, with the same pass mark. All five were bought at normal retail price.

The 6 Checks We Used

Before the ranking, here's exactly what we looked at, and why each one changes what you get.

Our Top 5, Ranked

All five went through the same 6 checks. Here's the scorecard first, then the full write up on each one below.

🥇Best Overall · #1 Pick

★★★★★6 / 6 Checks

Larineco

Nano-hydroxyapatite gum · 18 pieces per box · 2 to 3 pieces a day

$19.98 for 2 boxes, $0.56 a piece ✓ Third-Party Lab Tested Fluoride Free

Nano-HA ✓ Natural Base ✓ Clean Sweeteners ✓ Under $0.70 ✓ Starts At $19.98 ✓ Lab Tested ✓

The only gum here that cleared all 6 checks, and the cheapest way into this category by a wide margin. Nano-hydroxyapatite, five different tree resins in the base, and no aspartame or sucralose anywhere on the panel.

Thirteen things on the panel and not one of them needed explaining away, which is a lower bar than it sounds and one most of this category still trips over. The base is where it separates itself: chicle, mastic, spruce, myrrh and acacia, five tree resins where the other four use one or two. Xylitol and erythritol do the sweetening. The clay and the eggshell powder are there for minerals rather than texture.

13 Ingredients · Fully Disclosed

Nano-Hydroxyapatite Xylitol Erythritol Chicle Gum Mastic Gum Spruce Gum Myrrh Gum Acacia Gum Calcium Bentonite Clay Eggshell Powder Menthone Carvone Cineole

Pros

• Nano-hydroxyapatite is named as nano on the panel, not left as the vague catch all term
• Five tree resins in the base, chicle, mastic, spruce, myrrh and acacia, where most rivals use one or two
• Sweetened with xylitol and erythritol only, no aspartame, no sucralose, no sugar
• $19.98 for two boxes is the cheapest entry of any hydroxyapatite gum here, against $24.99 to $33.00 elsewhere
• Publishes independent third-party lab testing on the gum ingredients
• Calcium bentonite clay and eggshell powder add minerals that Enamio and PUR leave out entirely
• Fluoride free, and the base is plant derived rather than a synthetic polymer
• 30-day money-back guarantee, with up to 50% off on the multi-box tiers

Cons

• The amount of nano-hydroxyapatite per piece isn't published. That's true of every gum in this review, but we'd still rather see the number than take it on trust.

📋

Verdict

It cleared all six checks, and it's the cheapest hydroxyapatite gum here to actually get started with, which matters when you have never chewed the stuff before. The five resin base is genuinely unusual, and the panel is short enough to read in one go. It isn't the cheapest per piece, Dentagum edges it by a cent, but Dentagum wants $33 before it will sell you anything.

Bottom Line The most complete panel here, the widest natural base, third-party testing you can actually read, and the lowest entry price of any hydroxyapatite gum here. It is the one we would buy first.

Try Larineco · 30-Day Money-Back Guarantee →

🥈#2 · Strong Panel, Steep Buy-In

★★★★5 / 6 Checks

Dentagum

Nano-hydroxyapatite gum · 60 pieces per pouch

$33.00 a pouch, $0.55 a piece Heavy Metal Tested ⚠ Contains Egg and Propolis

Nano-HA ✓ Natural Base ✓ Real Lab Report ✓ Starts At $33 ✗

The closest thing here to a genuine rival. Nano-hydroxyapatite, an organic chicle base, and the only brand in this review that puts a named accredited lab's certificate of analysis in front of you. Then it asks for $33 before it will sell you a single pouch.

8 of 12 Ingredients Shown

Nano-Hydroxyapatite Organic Xylitol Organic Erythritol Organic Chicle Gum Organic Mastic Gum Activated Charcoal Natural Calcium Bentonite Clay Organic Egg Shell Powder ⚠

Pros

• Nano-hydroxyapatite named as nano in four separate places, including on the pouch
• Organic chicle base, sourced from sapodilla latex and openly described as plastic free
• Links a full ISO 17025 certificate of analysis, not just a statement that testing happened
• That report is from Light Labs, an ISO 17025 accredited lab, and all four heavy metals came back in spec
• Organic xylitol and erythritol only, with an aspartame free mark on the pack
• 60 pieces a pouch is the largest count in this review, which is what pulls the per piece cost down

Cons

• $33.00 is the smallest order Dentagum will take. There is no single pouch and no trial size.
• The site prints a row of clinical sounding percentages under the words clinically proven, with no study named, no sample size and nothing to click
• The lab report covers heavy metals only, even though the badge next to it also says phthalates
• Contains organic egg shell powder and natural propolis, a bee product. Worth knowing if you avoid either
• Not vegan, and the page does not flag it
• The amount of nano-hydroxyapatite per piece is not published

📋

Verdict

On the panel alone Dentagum is excellent, and the certificate of analysis is something the rest of this category should copy. Two things keep it off the top spot. The first is the $33 minimum, which is a lot to gamble on a flavor you have never chewed. The second is the row of clinical sounding percentages with no study behind any of them, which is the sort of thing that makes the rest of the page harder to take at face value.

Bottom Line The best ingredient panel here after Larineco, and the only accredited certificate of analysis in the review. Held back by a $33 minimum order and efficacy numbers with no study attached.

🥉#3 · Best Particle Spec, No Single Pouch

★★★4 / 6 Checks

Enamio

Nano-hydroxyapatite gum · 18 pieces per pouch

$24.99 for 2 pouches, $0.69 a piece ⚠ No Named Lab ⚠ No Single Pouch

20nm Particles ✓ Natural Base ✓ Starts At $24.99 ✗ No Named Lab ✗ Under $0.70 ✓

The only brand in this review that publishes a particle size, and the only one that breaks its full formula out by function. It also will not sell you a single pouch, and the testing badge does not lead anywhere.

8 Ingredients · Fully Disclosed

Carbonate Nano-Hydroxyapatite (20nm) Calcium Glycerophosphate Magnesium Citrate Xylitol USP Monk Fruit Extract Chicle (Natural Tree Sap) Candelilla Wax Citric Acid

Pros

• Publishes an actual particle size, 20nm, where every other brand just says nano
• Full formula broken out by function, gum base, sweeteners, actives, pH support, trace minerals and flavor, which almost nobody does
• Natural chicle tree sap base with candelilla wax, stated biodegradable and plastic free
• Xylitol USP and monk fruit only, with aspartame, sucralose, saccharin, acesulfame K and stevia all named and excluded
• Per pouch hologram sticker with a serial number you can check on their site

Cons

• $0.69 a piece sits above both gums ranked ahead of it, only just inside the $0.70 line
• No single pouch, so the cheapest way in is $24.99 for two
• The 3rd-Party Tested badge names no lab and links to no certificate
• The nano-hydroxyapatite amount is never given, in milligrams or as a percentage, despite the claim of the highest concentration of any gum
• No supplement or nutrition facts panel published on the site
• Not yet kosher or halal certified, which the FAQ says is planned

📋

Verdict

Enamio is the most transparent brand here about what is in the formula and the least transparent about how much. Naming a 20nm particle size is a real point of difference and it deserves credit. But claiming the highest concentration of any gum while publishing no number at all is the kind of thing worth having answered before spending $24.99 to find out.

Bottom Line The best formulation disclosure in the review, undercut by an unverifiable concentration claim. You will pay more per piece than either gum ranked above it.

④#4 · Good Formula, Priced Out

★★½3 / 6 Checks

Underbrush

Hydroxyapatite gum · 18 pieces per pack

$29.99 for 2 packs, $0.83 a piece ⚠ No Named Lab

Nano + Micro HA ✓ Natural Base ✓ $0.83 A Piece ✗ No Named Lab ✗

The deepest ingredient thinking in this review and the most honest FAQ we read anywhere, wrapped around the highest price per piece on the page. It is also the only brand whose formula changes depending on which flavor you pick.

Mineral System · Selected Items

Hydroxyapatite (Nano and Micro) Chicle Gum Base Xylitol and Erythritol Zinc Gluconate

Pros

• Declares hydroxyapatite as nano and micro in every flavor's ingredient list, with no ambiguity
• Chicle gum base from sapodilla latex, with polyvinyl acetate and butadiene styrene both explicitly ruled out
• Mineral system goes well past hydroxyapatite, adding calcium carbonate, magnesium carbonate, zinc gluconate and bentonite clay
• The most candid FAQ in the category. It volunteers that most hydroxyapatite research is on toothpaste rather than gum, that the flavor fades sooner without synthetic boosters, and that this does not replace brushing

Cons

• $0.83 a piece is the highest cost of any gum in this review, and there is no single pack at all
• The formula is not the same across flavors. Cinna-Mastic drops calcium carbonate, magnesium carbonate and zinc gluconate entirely, at the same price
• Nine trust badges along the page, not one of them from a named certifying body or lab
• No hydroxyapatite amount published, in milligrams or as a percentage
• Tropic Twist and the Variety Pack swap in sorbitol and monk fruit, so the panel you read is not always the panel you get

📋

Verdict

We wanted to rank this higher than we did. Whoever writes Underbrush's FAQ is the only person in this category willing to tell you what the research does not yet show, and the mineral system is the most thought through of the five. Two things pushed it down. You cannot spend less than $29.99 to try it, and the flavor you choose quietly changes what you get. Buy Mastic Mint or you are not buying the formula they describe.

Bottom Line The best thinking in the category, at the highest price per piece, with a formula that shifts by flavor. Worth it if you can spend $29.99 up front and stick to Mastic Mint.

⑤#5 · Not a Remineralizing Gum

★★3 / 6 Checks

PUR

Xylitol chewing gum · 55 pieces per bag

$4.99 a bag, $0.09 a piece ⚠ No Hydroxyapatite ⚠ Gum Base Undisclosed

Cheapest Per Piece ✓ No Hydroxyapatite ✗ Base Undisclosed ✗ No Published Report ✗

A good sugar-free gum that does not belong in a remineralization comparison, and does not claim to. It is here because readers keep asking whether it counts. It contains no hydroxyapatite of any kind, so on the two checks that define this category it scores zero.

5 of 6 Ingredients Shown

Xylitol Gum Base ⚠ (not specified) Gum Arabic Natural Flavors Carnauba Wax

Pros

• $0.09 a piece, which is roughly one sixth of what the cheapest hydroxyapatite gum here costs
• Orthodox Union kosher certified, made in Switzerland, with a six item ingredient list you can read in one breath

Cons

• Contains no hydroxyapatite, nano or otherwise, so nothing in it supplies the mineral enamel is built from
• The gum base is listed as gum base and nothing more, on the product page, the FAQ and the about page
• The entire oral health argument rests on xylitol, which is a real one, but it is not remineralization
• No per piece xylitol amount is published, so you cannot tell how it compares to the xylitol in the others
• No nutrition or supplement facts panel published on the product page
• No third-party lab report or certificate of analysis published on the site
• To be fair to PUR, it never claimed to be a remineralizing gum. We are scoring it against a job it did not apply for.

📋

Verdict

PUR is a genuinely good xylitol gum and we have no complaint about it as a product. It is cheap, it is clean, it is kosher certified and it is made in a facility they will tell you about. But if you came here looking for hydroxyapatite, it does not have any, and no amount of xylitol changes that. Buy it because you want a nine cent sugar-free gum. Do not buy it expecting what the other four are selling.

Bottom Line A fine sugar-free gum, and the cheapest thing here by a distance. It contains no hydroxyapatite, so it cannot do the job the other four are built for.

How Larineco Ended Up At #1

Nothing about this ranking was decided by the front of a box. It came down to two columns of the scorecard.

On both counts, the panel is what it says it is.

What This Review Showed

If you're shopping for one of these, the 6 checks above are how to judge any of them. Here's what doing it five times over made clearer.

• 1
  The front of the box is the least useful part of it.

  Every one of these products leads with the same three or four words. The panel on the back is where they stop matching each other, and it is the only part anyone has to stand behind. Turn the box over first.

• 2
  Nobody in this category will tell you the dose.

  Not one of the five publishes how much hydroxyapatite is in a piece. Not the cheapest, not the most expensive, not the one claiming the highest concentration of any gum. Until that changes you are comparing ingredient lists, not strengths, and anyone who tells you otherwise is guessing.

• 3
  A badge is not a test.

  Four of these five carry some version of a third-party tested mark. Exactly one of them, Dentagum, links a full certificate from a lab you can name, with results you can read. A row of icons along the bottom of a product page is artwork.

• 4
  What it costs to start matters more than what it costs per piece.

  Per piece pricing flatters whoever sells the biggest box. The number that actually decides whether you ever try one of these is the smallest order the brand will accept, and among the hydroxyapatite gums here that gap runs from $19.98 to $33.00.

Final Recommendations