Blend item 2 of 4
Malic Acid in ProDentim: A Fruit Acid With No Printed Amount
Malic acid is a fruit acid found in apples and strawberries, and the ProDentim sales page lists it in a blend of four plants and minerals. The sales page links it to tooth whiteness. A strawberry whitening test found no real whitening, and acids can wear enamel. No amount is printed.
Written by the ProDentim label teamUpdated
The basics01
What is malic acid in ProDentim?
Malic acid in ProDentim is a fruit acid, the sour part of apples and strawberries. The sales page names it as the second of four items in a "Proprietary Blend of 4 Plants and Minerals" (ProDentim sales page).
The other three are inulin, tricalcium phosphate and peppermint. The sales page prints no amount for any of them.
Food makers use malic acid for tang and for flavor. In a soft tablet it most likely does the same job, but the label images do not say. They show no Supplement Facts panel and no other-ingredients line.
That means we cannot tell how much malic acid is in one tablet, or whether it comes from fruit or is made in a plant. Open your own tub and read the panel.
| Name on the sales page | Malic acid |
|---|---|
| What it is | Fruit acid found in apples and strawberries |
| Place on the sales page list | 5 of 7 |
| Amount per tablet | Not printed (no amount on the sales page) |
| What research looked at | Food acids and enamel erosion; a strawberry-and-baking-soda whitening study |
| Strength of evidence | No whitening shown; acids can erode enamel |
| Marketed or traditional use | Fruit acid and flavor |
| Main caution | Acidic foods and drinks can wear enamel; a tablet's amount is not printed. |
| Sales page says | “In strawberries helps maintain tooth whiteness” |
The claim02
Does malic acid whiten teeth?
No. There is no evidence that malic acid in a swallowed tablet whitens teeth. The sales page line for it reads "In strawberries helps maintain tooth whiteness" (ProDentim sales page).
That sentence is about strawberries, not about this tablet. It does not say how much malic acid is in a tablet, and it names no study.
The closest test we found used extracted molars. A strawberry and baking soda mix was the least effective method and gave no real whitening beyond removing surface debris (Kwon 2015, strawberry DIY whitening). Dentist-grade and store-bought whitening products did whiten in the same test.
A second test from the same group reported that the mix lowered enamel hardness by up to 10 percent (Kwon 2015, strawberry DIY whitening). So the fruit-acid idea has a downside as well as a gap.
What the picture does not prove
The strawberries on the tub make the fruit link feel natural. The label does not say the tablet holds strawberry, and the sales page does not say where its malic acid comes from.
The research03
What does research say about acids and tooth enamel?
Research on acids and enamel points one way: acids wear enamel down. The ADA lists acidic foods and drinks as a cause of tooth erosion (ADA MouthHealthy, Dietary Acids).
A lab study of citric, malic and lactic acids found that erosion grew as the pH fell and the acid got stronger (Citric, malic, lactic acid & enamel). Malic acid did less harm than citric acid in drink tests, but it still eroded enamel at low pH and high strength.
These are lab findings. None tested a chewable tablet, and none tested how often a small dose touches the teeth. They are a reason for care, not proof of harm from ProDentim.
| Question | What we found | Source |
|---|---|---|
| Amount per tablet | Not published | Sales page (ProDentim sales page) |
| Tooth whitening | No real whitening in a strawberry test | (Kwon 2015, strawberry DIY whitening) |
| Can erode enamel | Yes, in lab tests at low pH and high strength | (Citric, malic, lactic acid & enamel) |
| Trial of the ProDentim tablet | None found | Our search |
Why it is there04
Why would a probiotic tablet contain malic acid?
A likely reason is taste. The sales page calls the tablet a "dissolvable candy", and sour fruit acids are a common candy ingredient.
That is our reading, not a statement from the seller. The sales page gives a health line for malic acid and no reason for its place in the formula.
Acid can matter to probiotics too, because live bacteria differ in how much acid they tolerate. The images give no pH figure and no stability test, so we do not know if the blend helps the strains.
A health line for an ingredient describes the ingredient in general. It is not a result from a trial of the finished tablet, and none was found.
ProDentim: from $49 a bottle30 soft tablets · one a day · free US shipping on 3 or 6 · 60-day money-back guarantee
See packsCautions05
Is malic acid in ProDentim safe for teeth?
Malic acid is a normal food acid, and a small amount in a tablet is not likely to be a worry for most adults. The amount is unknown, so we cannot give a firm answer.
If you chew the tablet and then sip an acidic drink, your teeth meet acid twice in a short time. The ADA advises care with frequent acid contact, and a dentist can tell you what suits your teeth (ADA MouthHealthy, Dietary Acids).
- Ask your dentist if you have worn enamel, sensitive teeth or frequent acid reflux.
- Check the tub for an other-ingredients line if you avoid a specific food.
- Stop and call a clinician if you notice swelling, a rash or trouble breathing.
Acid in a tablet adds nothing to brushing twice a day with fluoride toothpaste (ADA MouthHealthy, Brushing Your Teeth) or cleaning between teeth daily (ADA MouthHealthy, Flossing). Keep seeing your dentist, and keep taking prescribed medicine exactly as directed.
Where it fits06
How does malic acid compare with the other three blend items?
Malic acid is the one item whose research is mostly about risk to enamel rather than a benefit. The other three have more to say, though not about this tablet.
Each line below sits on its own page with its own sources, so you can read them in any order.
Inulin
A prebiotic fibre. Studied in the gut. Gas and bloating rise with dose. See inulin in ProDentim.
Tricalcium phosphate
A calcium salt. Toothpaste studies are about the tooth surface, not swallowed tablets. See tricalcium phosphate in ProDentim.
Peppermint
A flavor and herb. Can worsen heartburn in some people. See peppermint in ProDentim.
The full list, with the three strains, is on the ProDentim ingredients page. The label gaps are on the ProDentim supplement facts page.
Our reading07
Should malic acid change whether you buy ProDentim?
Probably not by itself. Malic acid is a common food acid, and the whitening line is the weakest claim on the page.
If tooth color matters to you, ask a dentist about options with real test results. A strawberry-based claim is not one of them (Kwon 2015, strawberry DIY whitening).
If enamel wear is your worry, ask the same dentist. The questions to bring are short: how much acid, how often, and what you drink right after.
The label is clear that this is a probiotic product with a count of 30 soft tablets. It is not clear about amounts. That gap matters more than any single blend item.
FAQ08
Malic acid questions
Is malic acid natural in ProDentim?
The sales page does not say where its malic acid comes from. Malic acid occurs in apples and strawberries, and it can also be made in a plant. Without a Supplement Facts panel in the images, the source cannot be checked.
How much malic acid is in one ProDentim tablet?
Not published. The sales page names malic acid inside a four-item blend and prints no amount for any item. The label images show no panel. Ask the seller's desk, or read the panel on your own tub.
Does the strawberry on the tub mean the tablet has strawberry?
Not necessarily. The strawberries are art on the label and in the brand images. The images do not print a flavor statement or an other-ingredients line, so the tablet's flavor source is unknown.
Can malic acid hurt tooth enamel?
It can in lab tests at low pH and high strength, like other food acids (Citric, malic, lactic acid & enamel). A small dose in a tablet is a different case, and no test covers it. Ask your dentist if your enamel is worn.
Is malic acid the same as vitamin C?
No. Malic acid is a fruit acid used for tang and flavor. Vitamin C is ascorbic acid, a vitamin. The ProDentim sales page lists malic acid and does not list vitamin C among its seven lines.
Does malic acid kill bacteria in the mouth?
There is no evidence for that in this tablet, and the sales page does not claim it. Do not read an ingredient line as a germ-fighting claim. Good brushing and cleaning between teeth are what the ADA points to (ADA MouthHealthy, Brushing Your Teeth).
Who wrote this09
Written and reviewed by
Pages built from the label, the sales page and linked NIH, NIDCR, FDA, CDC, ADA, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is run by a USA authorized ProDentim retailer, not by the manufacturer. We earn money when you buy through our order links.
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