4.7 out of 5 from 986 written Burntide reviews7,197 orders filled through this desk91% of reviewers say they would recommend BurntideMost reviewers who report a change put it at 3–6 weeksThe pack most reviewers bought is 3 bottles60-day money-back guarantee · lot BUR-26/BU-8514

Burntide Official Website › Burntide Ingredients

Four names, one 525 mg blend

Burntide Ingredients: What Is in the 525 mg Blend

Quick answer

Burntide contains apple cider vinegar and three BHB salts (calcium, magnesium and sodium) in one 525 mg blend.

The label lists the blend total, not each amount. Above the blend it declares sodium 2.5 mg, calcium 1 mg and magnesium 0.75 mg.

For the full label, see the Supplement Facts panel.

Every figure on this page is read off the printed panel. Where the label withholds a number, this page prints that rather than an estimate.

The Burntide Supplement Facts panel
The active list

Every Burntide ingredient and what the label declares

Here is the whole active list, with what the label says about each amount. The right-hand column is the most important one on this page.

Named ingredientWhere it appears on the labelDeclared amount
Apple cider vinegarInside the 525 mg blendNot published separately
BHB calcium (beta-hydroxybutyrate salt)Inside the 525 mg blendNot published separately
BHB magnesium (beta-hydroxybutyrate salt)Inside the 525 mg blendNot published separately
BHB sodium (beta-hydroxybutyrate salt)Inside the 525 mg blendNot published separately
Calcium, magnesium and sodiumDeclared above the blend1 mg, 0.75 mg and 2.5 mg

Three of the five rows read “not published separately”, and that is not an omission on this website. It is what the jar says. A proprietary blend is a legal labelling option: the manufacturer prints the blend total and the ingredient names in descending order of weight, and is not required to publish the split.

What descending order does tell you is a ranking. Apple cider vinegar is listed first, so there is more of it than of any single BHB salt. That is the whole of what can be inferred, and inferring further would be arithmetic with no numbers in it.

Ingredient one

Apple cider vinegar in Burntide, and what the trials actually used

Apple cider vinegar is fermented apple juice. The component the research is about is acetic acid, and the amounts used in trials were measured in millilitres of liquid vinegar rather than milligrams of powder.

Kondo 2009 is the trial most often quoted. It gave participants 15 or 30 ml of vinegar daily for twelve weeks and measured modest differences in body weight and body fat against a placebo drink. Thirty millilitres of vinegar at 5 per cent acidity is about 1,500 mg of acetic acid, several times the entire 525 mg blend in this gummy.

The meal-response work is more consistent. Ostman 2005 found lower glucose and insulin responses and higher reported satiety after a bread meal; Johnston 2004 found improved insulin sensitivity after a high-carbohydrate meal in insulin-resistant adults; Hlebowicz 2007 measured slower gastric emptying. All of them used liquid vinegar with or just before food, which is exactly why this label asks for the gummy 30 minutes before a meal.

A 2020 systematic review gathered the safety and metabolic evidence together and found the effects small and the study quality mixed. A 2025 dose-response meta-analysis in people with type 2 diabetes is the most recent addition. Neither of them studied a gummy, and neither studied 525 mg.

The honest summary for this ingredient. Apple cider vinegar has a real, replicated, modest effect on the glucose and satiety response to a carbohydrate meal, at tablespoon doses of liquid vinegar. This gummy contains an unpublished share of a 525 mg blend. Those are two different statements and this page keeps them apart.

Ingredients two, three and four

The three BHB salts in Burntide, and the dose the research used

Beta-hydroxybutyrate is a ketone body. Your liver makes it when carbohydrate is scarce, and muscle and brain burn it as fuel. Bound to a mineral it becomes a salt that can be eaten, which is what BHB calcium, BHB magnesium and BHB sodium are.

Newman and Verdin 2017 is the reference for what BHB does beyond fuel: it acts on receptors and on gene expression, which is why it turns up in research well outside sports nutrition. Stubbs 2017 measured what happens when humans drink it, and Evans 2017 covers the exercise physiology. A 2022 review in Sports Medicine surveys the whole athletic literature and is candid about how mixed the performance results are.

Stubbs 2018 is the paper people reach for when they want an appetite claim: a ketone ester drink lowered ghrelin and reported hunger. It used an ester, in a drink, at a dose that raises blood ketones measurably. Soto-Mota 2019 ran 28 days of sustained ketosis in healthy adults and reported it as tolerable.

Every one of those studies used grams. The lowest interesting dose in the literature is around 10 g, and most are higher. Three BHB salts sharing part of a 525 mg blend are two orders of magnitude away from that. The salts on this label supply a real molecule in an amount that has not been shown to do what the papers describe, and saying so is the only position this desk can defend.

The declared minerals

The three minerals on the Burntide panel, in full

The panel declares sodium at 2.5 mg, calcium at 1 mg and magnesium at 0.75 mg, and marks all three at 0 per cent of the Daily Value. That is the label telling you plainly that they are nutritionally negligible.

They are on the panel because they came in with the BHB salts. A salt is a ketone bound to a mineral, so you cannot supply one without the other. Some ketone products use that as a selling point; on this label the arithmetic makes the claim impossible to sustain. The ODS magnesium fact sheet puts adult requirements in the 310 to 420 mg a day range. This gummy supplies 0.75 mg. The calcium fact sheet puts adult requirements around 1,000 mg; this gummy supplies 1 mg.

Sodium is the one worth a second look, not because 2.5 mg is much, but because sodium citrate also appears in the other ingredients line. The FDA and the CDC both publish guidance on reading sodium on a label, and anyone on a restricted intake should take the panel to whoever set the restriction rather than take a website's word for it.

The vegetarian mark printed on the Burntide jar
The vegetarian markThe jar carries a vegetarian mark. It describes the formulation, not the actives, and the label makes no vegan claim. Neither does this desk.
Loose capsules, the marketing image for the BHB salts
Why this photograph is a capsuleExogenous ketones are normally sold as capsules or powder at multi-gram doses. The image is accurate about the ingredient and misleading about the format, so it is published here with that said.
The rest of the gummy

What else is in a Burntide gummy

The other ingredients line is the part of a gummy label that most people skip, and on a chewable it carries more information than on a capsule.

  • Corn syrup
  • Purified water
  • Pure cane sugar
  • Apple pectin
  • Citric acid
  • Sodium citrate
  • Tapioca starch
  • Natural flavours
  • Beet root powder

Corn syrup and pure cane sugar are what makes it chewable and sweet, and they are the reason the panel reads 2 grams of total sugars with 1 gram added, and 8 calories. Apple pectin is the gelling agent, which is what makes this a vegetarian gummy rather than a gelatine one. Citric acid and sodium citrate control acidity. Tapioca starch keeps the gummies from sticking together, and beet root powder is the colour.

Over a full jar that is 240 calories and 60 grams of sugar across 30 days. Small, but it is not zero, and a page that prints the actives and hides the excipients is only telling half the label.

What the label does not print

Four things the Burntide label does not tell you

Two places where a reader could reasonably expect more from this label than it gives, stated here rather than buried.

What is missingWhy it would matterWhat this desk can say
The blend splitIt is the only way to compare this against the research525 mg is a ceiling. No ingredient inside can exceed it
Acetic acid contentIt is the active component of vinegarNot published. Powdered vinegar varies widely between suppliers
A certificate of analysisIt would confirm identity and potency for this runNone supplied for lot BUR-26/BU-8514. Reference BUR-8514-26-BU is traceability, not a result
Any trial of the finished gummyIt would move this from mechanism to evidenceNone exists. Every source cited here tested an ingredient

The NIH Office of Dietary Supplements fact sheet for this category reviews the ingredient evidence across the whole supplement aisle and is a better first read than any product page, including this one. A 2016 review reaches similar conclusions about how thin the evidence base generally is.

Questions

Questions about what is inside Burntide

How much apple cider vinegar is in Burntide?
Not published. The label prints one proprietary blend of 525 mg covering apple cider vinegar and three BHB salts together, and no per-ingredient figure appears anywhere.
Does Burntide contain enough BHB to put me in ketosis?
No, and this desk does not claim it does. The exogenous ketone research used 10 to 25 grams in a single drink. The whole blend here is 525 mg covering four ingredients.
Why does the Burntide label list calcium, magnesium and sodium twice?
It does not list them twice. The three minerals declared above the blend are the amounts the gummy supplies in total. The BHB salts inside the blend are the reason they are there.
Which Burntide ingredient has the strongest evidence?
Apple cider vinegar, by a distance, and only at tablespoon doses of liquid vinegar. The ketone salt research is newer, smaller and conducted at multi-gram doses.
Is there caffeine or a stimulant in Burntide?
No. Nothing on the panel is a stimulant and no caffeine appears in the other ingredients line either.
What are the non-active ingredients in Burntide?
Corn syrup, purified water, pure cane sugar, apple pectin, citric acid, sodium citrate, tapioca starch, natural flavours and beet root powder.
Sources

The research behind this Burntide page

Every source below was opened and checked. None of them studied Burntide itself; they concern the ingredients, at the amounts the researchers used.

  1. Kondo T, Kishi M, Fushimi T, Ugajin S, Kaga T. Vinegar intake reduces body weight, body fat mass, and serum triglyceride levels in obese Japanese subjects. Biosci Biotechnol Biochem. 2009;73(8):1837-43. PMID 19661687. https://pubmed.ncbi.nlm.nih.gov/19661687/
  2. Ostman E, Granfeldt Y, Persson L, Bjorck I. Vinegar supplementation lowers glucose and insulin responses and increases satiety after a bread meal in healthy subjects. Eur J Clin Nutr. 2005;59(9):983-8. PMID 16015276. https://pubmed.ncbi.nlm.nih.gov/16015276/
  3. Launholt TL, Kristiansen CB, Hjorth P. Safety and side effects of apple vinegar intake and its effect on metabolic parameters and body weight: a systematic review. Eur J Nutr. 2020;59(6):2273-2289. PMID 32170375. https://pubmed.ncbi.nlm.nih.gov/32170375/
  4. Arjmandfard D, Behzadi M, Sohrabi Z, et al. Effects of apple cider vinegar on glycemic control and insulin sensitivity in patients with type 2 diabetes: a GRADE-assessed systematic review and dose-response meta-analysis of controlled clinical trials. Front Nutr. 2025;12:1528383. PMID 39949546. https://pubmed.ncbi.nlm.nih.gov/39949546/
  5. Stubbs BJ, Cox PJ, Evans RD, et al. On the metabolism of exogenous ketones in humans. Front Physiol. 2017;8:848. PMID 29163194. https://pubmed.ncbi.nlm.nih.gov/29163194/
  6. Newman JC, Verdin E. Beta-hydroxybutyrate: a signaling metabolite. Annu Rev Nutr. 2017;37:51-76. PMID 28826372. https://pubmed.ncbi.nlm.nih.gov/28826372/
  7. Evans M, McClure TS, Koutnik AP, Egan B. Exogenous ketone supplements in athletic contexts: past, present, and future. Sports Med. 2022;52(Suppl 1):25-67. PMID 36214993. https://pubmed.ncbi.nlm.nih.gov/36214993/
  8. National Institutes of Health, Office of Dietary Supplements. Magnesium: Fact Sheet for Health Professionals. https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/
  9. National Institutes of Health, Office of Dietary Supplements. Calcium: Fact Sheet for Health Professionals. https://ods.od.nih.gov/factsheets/Calcium-HealthProfessional/
  10. U.S. Food and Drug Administration. Sodium in Your Diet: Use the Nutrition Facts Label and Reduce Your Intake. https://www.fda.gov/food/nutrition-education-resources-materials/sodium-your-diet
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One gummy a day, 30 to a jar, one 525 mg blend. Sixty days to send it back.

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