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 › Choosing A Metabolism Supplement

A checklist

Choosing A Metabolism Supplement: Eight Checks

Quick answer

Eight things to check on any metabolism supplement before buying it: printed amounts, a serving you will keep, a stated timescale, a guarantee long enough to use it, a real contact desk, a readable lot code, evidence that matches the dose, and a seller who prints what the label does not say. Then this product, scored against all eight.

Six passes, one half pass and one flat no. The failing row is the reason the other seven are worth reading.

The eight checks

Eight checks for any metabolism supplement

The checklist first, product-free, so it is usable on anything in the aisle.

Printed amounts for every active

Not a blend total. A number beside each name is the only thing that lets you compare a product against published research, and its absence is a decision the manufacturer made.

A serving you will genuinely keep

Four capsules three times a day is a plan for the first fortnight. One of anything, attached to something you already do, is a plan for six months.

A stated timescale

A seller who tells you to judge it at week six is a seller who expects you to still be there at week six. Silence on timing usually means the first week is the weak part.

A guarantee longer than the timescale

If the product needs six weeks and the window is thirty days, the two numbers disagree and the window is the one that was chosen.

A contact desk that exists

A telephone number, a returns address and stated hours. A supplement website with none of those is telling you how a refund will go.

A readable lot code

Printed on the jar, matchable to an order. It is the only link between the thing in your hand and the run it came from.

Evidence that matches the dose

Citations are easy. Citations at the dose the product actually contains are rare, and the gap between the two is where most of this category lives.

A seller who prints what the label does not say

Proprietary blend, no certificate of analysis, no trial of the finished product. A page that never names a limitation has not looked for one.

Scored in public

Burntide against the eight checks

Now the awkward part. Here is Burntide, the product this website sells, scored against all eight in public.

The checkResultWhy
Printed amounts for every activeNoThe panel prints one proprietary blend at 525 mg. No per-ingredient amount exists anywhere on the jar, in the artwork, or in this desk's paperwork
A serving you will genuinely keepPassOne chewable gummy a day, attached to a meal. Five of the eight named reviewers are filed under a theme about the habit sticking
A stated timescalePass3 to 6 weeks is published here, in the hero, in the timeline and in the pack recommendation
A guarantee longer than the timescalePassSixty days from purchase, which leaves about seven weeks of taking it after shipping
A contact desk that existsPassA telephone number, two email addresses, an office address and a separate returns address, all on the contact page
A readable lot codeHalfLot BUR-26/BU-8514 is printed and matchable to an order. Reference BUR-8514-26-BU is a traceability reference and no certificate of analysis exists
Evidence that matches the doseNoThe vinegar trials used 15 to 30 ml of liquid vinegar; the ketone trials used 10 to 25 grams. Neither is reachable inside a 525 mg blend
A seller who prints what the label does not sayPassEvery row above appears on the product pages of this website as well as in this table

Six passes, one half and two flat noes. Read the two noes together and they are really one problem: a proprietary blend makes the dose unpublishable, and an unpublishable dose cannot be matched against research. Every other criticism of this product on this website follows from that single labelling decision.

What this table is for. If the two failing rows are the ones that matter most to you, this is the wrong product and you should buy something that prints its amounts. That is the honest reading and it is printed on the website that sells it.

The category

What the neutral sources say about this whole aisle

Some context for the whole category, which is more sobering than any single product page.

The NIH Office of Dietary Supplements fact sheet for this category reviews the ingredient evidence across the aisle and is consistently unimpressed: effects where they exist are small, trials are short, and finished products are rarely studied at all. A 2016 review reaches the same place from the research side.

The FDA maintains a running list of products in this specific aisle found to contain undeclared pharmaceutical ingredients. It is the strongest argument there is for a readable lot code and a traceable purchase channel, and it is the reason check six on this list exists.

The FTC's consumer page on this category's advertising covers the claim patterns that draw enforcement, and it is a useful thing to read immediately before looking at any product page, including this one.

Format

Gummy, capsule or liquid: an honest comparison

Format is a real decision and it is usually argued badly, so here it is as a trade-off rather than as a winner.

GummyCapsuleLiquid
Amounts usually printedSometimesMore oftenVaries
SugarTypically 1 to 3 g a servingNoneUsually none
Dose ceilingLow. A gummy holds very littleHigherHighest for a liquid active
Acid on the teethChewed, brief exposureNoneSipped, longer exposure
Likelihood of daily useHighestModerateLowest
Best forAdherenceDoseDose, if you will take it

The bottom two rows are the whole argument. A gummy is the format most likely to be taken every day and the format least able to carry a research-sized dose. Which of those matters more depends entirely on whether the alternative is a capsule you take or a capsule you forget.

If what you actually want is acetic acid, liquid apple cider vinegar costs a few dollars and contains far more of it than any gummy can. That is a genuine recommendation against this product and it belongs on a checklist page.

Before you buy anything

Four questions that have nothing to do with the label

Four questions to ask before any purchase in this category, which have nothing to do with the label.

  • What am I going to measure? Decide before you start, record a week of baseline, and change one thing at a time. Tracking is itself linked to outcome, which is useful for you and inconvenient for anyone trying to attribute a result to a product.
  • When will I decide? Pick the date now and put it inside the guarantee window. A decision point chosen in advance is the difference between a fair test and drifting.
  • What would change my mind? If the answer is nothing, the purchase is not an experiment and should be priced accordingly.
  • Am I buying this instead of something? Food, sleep and movement are not a rhetorical flourish on a disclaimer; they are the variables with the evidence behind them.

Somebody who answers those four honestly will make a better decision about any product in this aisle than any checklist can produce, including this one.

Questions

Choosing a metabolism supplement: common questions

What should a metabolism supplement label print?
An amount for every active ingredient. A blend total tells you the ceiling and nothing else, and no dose inside it can be compared with any published research.
Do metabolism supplements work?
The NIH fact sheet for this category concludes the ingredient evidence is thin and the finished-product evidence thinner. Individual ingredients have small measured effects at doses most products do not reach.
Is a gummy worse than a capsule?
It carries sugar a capsule does not, and it is chewed rather than swallowed. It is also far more likely to be taken every day, and an intervention nobody keeps up has no effect at all.
How long should I give a metabolism supplement?
Long enough for the guarantee window rather than your patience to be the constraint. In practice that means judging it at the end of the second month.
What is the biggest warning sign on a label in this category?
An outcome claim on the front panel beside a proprietary blend on the back. The first promises something the second makes impossible to check.
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. National Institutes of Health, Office of Dietary Supplements. Dietary Supplements for Weight Loss: Fact Sheet for Health Professionals. https://ods.od.nih.gov/factsheets/WeightLoss-HealthProfessional/
  2. Rios-Hoyo A, Gutierrez-Salmean G. New dietary supplements for obesity: what we currently know. Curr Obes Rep. 2016;5(2):262-70. PMID 27053066. https://pubmed.ncbi.nlm.nih.gov/27053066/
  3. U.S. Food and Drug Administration. Weight Loss Product Notifications (tainted products marketed as dietary supplements). https://www.fda.gov/drugs/medication-health-fraud/tainted-weight-loss-products
  4. U.S. Food and Drug Administration. Dietary Supplement Labeling Guide. https://www.fda.gov/food/dietary-supplements-guidance-documents-regulatory-information/dietary-supplement-labeling-guide
  5. Federal Trade Commission, Consumer Advice. The Truth Behind Weight Loss Ads. https://consumer.ftc.gov/articles/truth-behind-weight-loss-ads
  6. Cavero-Redondo I, Martinez-Vizcaino V, Fernandez-Rodriguez R, et al. Effect of behavioral weight management interventions using lifestyle mHealth self-monitoring: a systematic review and meta-analysis. Nutrients. 2020;12(7):1977. PMID 32635174. https://pubmed.ncbi.nlm.nih.gov/32635174/
  7. 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/
  8. 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/
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Order Burntide with the scorecard in front of you

Six passes, one half and two noes, printed on the website that sells it. Sixty days to change your mind.

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One gummy a day · 30 per jar · 60-day money-back guarantee · lot BUR-26/BU-8514

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