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Common Fat Burner Ingredients and What They Do

Quick answer

Fat burner ingredients are the compounds products use to support metabolism, most often caffeine, green tea extract, capsaicin, carnitine and chromium. Trials show small effects at best, and several carry real risks. Jellutide lists only apple cider vinegar and BHB salts in its blend, with no caffeine source.

Written by the Jellutide label deskUpdated October 18, 2026 · 5 min read

The Supplement Facts side of the Jellutide label with the 525 mg blend and the other ingredients list — The Jellutide label lists two blend ingredients. None of the common stimulants discussed below appear on it.

The usual suspects01

What are the most common fat burner ingredients?

Caffeine, green tea extract, capsaicin, carnitine, chromium and forskolin top most lists. Cleveland Clinic notes that most fat burners have not been tested in studies, and some ingredients link to only small losses (Cleveland Clinic, Do fat burners work?).

Common fat burner ingredients and what the NIH fact sheet says
Ingredient	What research shows
Green tea	0.95 kg more than placebo; liver injury linked to extracts
Chromium	1.1 kg more; "debatable clinical relevance"
Carnitine	1.33 kg more across 9 trials
Capsaicinoids	4 mg a day did not change weight at 12 weeks
Forskolin	500 mg a day showed no effect on weight

Source for the rows: NIH Office of Dietary Supplements (NIH ODS, Supplements for Weight Loss).

Caffeine02

Which fat burner ingredient is the strongest?

Caffeine is the one you will feel. It also drives most of the side effects.

The FDA cites 400 mg a day as an amount not generally linked to harm in healthy adults, about two to three cups of coffee (FDA, How much caffeine is too much?).

Supplements can hold far more caffeine than natural sources, which can bring nervousness, insomnia and a very fast heart rate (Cleveland Clinic, Do fat burners work?). Guarana and green tea add caffeine too.

Jellutide03

Which fat burner ingredients are in Jellutide?

Two: apple cider vinegar and BHB salts, in a 525 mg blend. There is no caffeine source on the bottle label.

Vinegar is at least about 263 mg by label order. BHB salts are at most about 262 mg by order, and about 27 mg by our mineral arithmetic. Research doses are far higher, as the bars show.

Apple cider vinegar
Below the low end, even if it were all acid

One gummyUnder 525 mg of ACV ingredient (only part is acetic acid)
750-1,500 mg acetic acid a day (15-30 mL vinegar)750-1,500 mg
Comparison source: (Kondo 2009, vinegar trial)
BHB salts
0.3% of the low end

One gummyAbout 27 mg at most (mineral math)
10-40 g of BHB as salts in ketone studies10,000-40,000 mg
Comparison source: (Evans 2022, exogenous ketone review)
Added sugar
2% of the Daily Value

One gummy1 g per gummy
50 g Daily Value for added sugars50 g
Comparison source: (FDA, Added Sugars on the label)

Raspberry bars: what one gummy can hold, from the label. Green bars: daily amounts used in research, or the Daily Value. The label hides single amounts inside the 525 mg blend, so the gummy figures are ceilings, not measured amounts.

Jellutide: from $49 a bottle30 gummies · 2, 3 or 6 bottles · free US shipping on 3 or 6 · 60-day guarantee

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Label vs sales page04

Does the sales page list different ingredients?

Yes. The seller's page lists chromium and a 22-ingredient blend, including guarana, green tea and raspberry ketones, without amounts (Jellutide sales page).

The bottle label does not. This site follows the bottle, so read the one that arrives. If it differs, call the order desk. Our label vs sales page guide has the comparison.

Choosing05

How do you choose a product by its ingredients?

Look for named ingredients, printed doses and a caffeine number. If you cannot find those, be cautious.

Keep taking prescribed medicine, and ask a clinician before mixing supplements with it. The 60-day guarantee covers Jellutide if you want to test it.

Want to try Jellutide? Two packs ship free in the US, and both come with the 60-day guarantee from delivery.

3 bottles$216$72 a bottle · 90 days · Free US shippingGet 3 bottles

6 bottles$294$49 a bottle · 180 days · Free US shippingGet 6 bottles

Prices on the sales page, October 18, 2026 (Jellutide sales page). Check your medicines with your doctor first.

FAQ06

Questions

Is caffeine a fat burner?

Caffeine is the most common ingredient in fat burners, but a reported weight effect is small. It does raise alertness and heart rate. Healthy adults are generally told to stay under 400 mg a day (FDA, How much caffeine is too much?).

Do natural fat burners have fewer side effects?

Not necessarily. Green tea extract has been linked to rare liver injury, and guarana carries caffeine (NCCIH, Green Tea). Natural sources can still affect the heart, sleep and medicines.

Does Jellutide contain caffeine?

No caffeine source is printed on the bottle label. The sales page, though, names guarana and green tea, which both carry caffeine (MSKCC, Guarana). Read the bottle you receive.

Who wrote this07

Written and reviewed by

Written byThe Jellutide label deskIjellutide, official U.S. Jellutide shop

Pages built from the label, the sales page and linked NIH, FDA, CDC, FTC and peer-reviewed sources.

Medically reviewed byDr. Alexis David, MD, PhysicianRole: Medical reviewerReview date: October 19, 2026

Last updated October 18, 2026. Read our editorial standards and how we check reviews. This website is run by Ijellutide, an official U.S. Jellutide shop, not by the manufacturer or the distributor. We earn money when you buy through our order links.

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2 bottles$178$89 a bottle · 60 days 3 bottles$216$72 a bottle · 90 days Best value6 bottles$294$49 a bottle · 180 days

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