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Last updated: October 26, 2026 · By Martin Smith · How I research
If you have been struggling with stubborn weight that just will not budge — no matter how clean you eat or how much you move — you are not alone. For millions of adults over 35, the real problem is not willpower. It is a slowing metabolism that stops responding the way it used to. CitrusBurn supplement claims to fix exactly that — using a plant-based, stimulant-free formula built around the so-called “Orange Peel Trick.” But does it actually work? And what are real users saying in 2026? This review covers the ingredients and the research behind them, what the manufacturer claims, user complaints, side effects, and whether it is worth your money. I haven’t taken CitrusBurn myself: the review is based on the manufacturer’s sales page and policies, published research on each ingredient, and the user reviews I found.
CitrusBurn has been discontinued: in October 2026 ClickBank told affiliates that the seller has stopped selling it. Be cautious of any site still offering it: it isn’t the official seller, and its bottles may not be genuine. See my guide to spotting fake supplement websites. The review below is kept as research on the formula and its ingredients.
CitrusBurn at a glance
- What it is: a capsule supplement built around Seville (bitter) orange peel, sold for metabolism and weight management
- Form: capsules in bottles, sold as 2, 3 or 6 bottles (60-, 90- and 180-day supplies) until it was discontinued in October 2026
- How to take it: one capsule a day with a full glass of water, ideally in the morning before breakfast (manufacturer’s directions)
- Guarantee: 180 days, money back, according to the manufacturer, while it was on sale
- Best for: no one now, as it has been discontinued; it was aimed at adults who wanted a stimulant-free capsule to use alongside a calorie-conscious diet and regular activity
- Who should skip it: anyone pregnant or nursing, under 18, with a heart condition or high blood pressure, or taking prescription medication (especially for diabetes or blood thinning) without a doctor’s OK
- My verdict in one line: berberine gives it some research support; the rest of the formula shows small or uncertain effects, and the amounts aren’t disclosed
What Is CitrusBurn Supplement?
According to the manufacturer, CitrusBurn is a natural weight loss supplement designed to support metabolism, reduce cravings and provide steady energy without harsh stimulants. It comes as capsules in bottles of a month’s supply and is taken once a day, ideally in the morning before breakfast. It was sold only through its official website, with ClickBank handling checkout as the retailer.
The sales page builds its pitch around what it calls thermogenic resistance: the idea that after about age 35 the body’s fat-burning response slows down, and that a compound in Seville orange peel can “break through” it. Thermogenic resistance isn’t a recognised medical condition; it’s the manufacturer’s name for a slower metabolism. Instead of caffeine, the formula uses citrus and other plant extracts.
The manufacturer says it is made in the USA in an FDA-registered, GMP-certified facility (FDA registration is not FDA approval), that the ingredients are plant-based, non-GMO, gluten-free, soy-free and dairy-free, and that batches get third-party inspections for purity and potency.
How the Manufacturer Says CitrusBurn Works (the "Orange Peel Trick")
The “Orange Peel Trick” is the sales page’s name for the formula’s main ingredient: an extract of Seville orange peel (bitter orange, Citrus aurantium), which contains a compound called p-synephrine.
According to the manufacturer, p-synephrine “flips a switch” that tells the body to burn fat, and the sales page says research from Harvard, the Mayo Clinic and the University of Barcelona shows it raises thermogenesis by up to 74%, so you keep burning fat even while you sleep. The sales page doesn’t link to that research, and I couldn’t match the figure to any published study. The studies it does list are mostly small trials of bitter orange, green tea, vinegar, capsaicin and ginger, which I cover in the table below.
What published research supports is more modest: in short studies, p-synephrine slightly raised resting energy use, and products containing it produced small extra weight loss over 6 to 12 weeks, usually alongside caffeine and other ingredients. I found no published trial of CitrusBurn itself, so treat the formula’s effects as the manufacturer’s claims, not established facts.
The sales page also says many customers notice changes after 6 to 12 weeks of daily use. Individual results vary, and the users who were happiest in the reviews I found were also eating less and moving more.
What the Manufacturer Says CitrusBurn Does
The sales page promises these benefits. They are the manufacturer’s claims; the ingredient table below shows how far the research goes.
- More calories burned: supports thermogenesis, the body’s heat-based calorie burning
- Fewer cravings: vinegar, ginger and berberine are said to support fullness and blood sugar
- Steady energy: stimulant-free, so no jitters, according to the manufacturer
- Metabolic and hormonal balance: credited to berberine and Korean red ginseng
- Simple routine: one capsule in the morning
CitrusBurn Ingredients: What the Research Says
The current sales page names seven botanicals: Seville orange peel, apple vinegar, red pepper, ginger, green tea, berberine and Korean red ginseng. It doesn’t list the amount of each per capsule, so I can’t compare the doses with those used in studies. (An earlier version of this review listed a 510 mg blend of ten ingredients, including cinnamon, banaba leaf and resveratrol. The current sales page doesn’t mention those three, so they are left out until I can check a current label.)
| Ingredient | What the manufacturer says | What published research says | Evidence for weight loss | Study |
|---|---|---|---|---|
| Seville orange peel extract (bitter orange, p-synephrine) | Supports thermogenesis and burns fat fast | A review of about 20 small studies found p-synephrine slightly raised resting energy use, and products containing it gave modest extra weight loss over 6 to 12 weeks, usually combined with caffeine and other ingredients. The review’s lead author has worked with the bitter orange industry, and longer studies are lacking. | Limited | Stohs et al., 2012 (review) |
| Apple cider vinegar (“Spanish red apple vinegar”) | Promotes a feeling of fullness and satiety | In a 12-week trial in obese Japanese adults, a drink containing 15 or 30 ml of vinegar a day led to slightly lower body weight and visceral fat than placebo. The trial was run by a vinegar maker and used liquid vinegar, not a capsule extract. | Limited | Kondo et al., 2009 |
| Red pepper (capsaicin) | Increases calorie burn by 25% after meals | A meta-analysis found capsaicin taken before a meal slightly reduced how much people ate at that meal, but the studies varied a lot. I found no evidence for a 25% rise in calorie burn. | Limited | Whiting et al., 2014 |
| Ginger root | Reduces cravings by 54% and supports blood sugar | A 2024 meta-analysis of 27 trials found a small weight reduction with ginger, but rated the certainty of the evidence low to very low. I found no trial behind the 54% figure. | Limited | Rafieipour et al., 2024 |
| Green tea extract (EGCG) | Enhances fat oxidation and energy | A Cochrane review found green tea preparations gave a small, statistically non-significant weight loss in overweight adults, unlikely to matter clinically. | Limited | Jurgens et al., 2012 (Cochrane review) |
| Berberine | Metabolic balance | A meta-analysis of 12 randomized trials found berberine moderately reduced body weight, BMI and waist size compared with control. It is sometimes called “nature’s metformin”, although it is not a substitute for prescribed medication, and it can interact with diabetes drugs. | Some | Asbaghi et al., 2020 |
| Korean red ginseng | Metabolic and hormonal balance | In an 8-week trial in 50 obese women, Korean red ginseng didn’t change weight, body fat or other obesity measures compared with placebo; only a quality-of-life score improved. | None found | Kwon et al., 2012 |
How to read the evidence column: Strong means consistent results from good-quality trials; Some means a modest effect across several trials; Limited means small, short or low-certainty results; None found means I found no trials showing an effect on weight.
What the Research Means for CitrusBurn
Berberine is the ingredient with the best support for modest weight loss, but the trials typically used 500 mg or more a day, and I don’t know how much one CitrusBurn capsule contains. The orange peel, vinegar, capsaicin, ginger and green tea research points to small or uncertain effects, and the ginseng trial found no effect on weight. The percentages on the sales page (74%, 25% and 54%) don’t match the studies it lists.
Realistically, CitrusBurn could be a small helper alongside a calorie deficit and regular activity, not a replacement for them.
CitrusBurn Side Effects
CitrusBurn is stimulant-free, so the jitteriness, heart palpitations, and sleep disruption common with traditional fat burners are rarely reported here. Many users say they tolerated it well from day one.
Some people experience mild digestive adjustment in the first week — largely due to apple cider vinegar and ginger — which typically settles quickly. Those with citrus sensitivity, or anyone taking blood thinners or diabetes medication, should consult a doctor before starting, as berberine can interact with certain prescriptions.
Is CitrusBurn Safe?
The manufacturer says CitrusBurn is made in an FDA-registered, GMP-certified facility in the United States (FDA registration is not FDA approval), with non-GMO, plant-based ingredients and no synthetic stimulants, and that batches get third-party inspections.
Bitter orange deserves a specific note. p-Synephrine is chemically related to stimulants, and combined with caffeine it may raise heart rate in sensitive people, so be careful with coffee, energy drinks or other fat burners while taking CitrusBurn. Berberine can lower blood sugar, which matters if you take diabetes medication.
Who Should Skip CitrusBurn (or Talk to a Doctor First)
That said, no supplement is universally appropriate for every individual. CitrusBurn should not be used by:
- Pregnant or nursing women
- Anyone under the age of 18
- Individuals with pre-existing heart conditions
- Those currently taking prescription medications without first consulting a doctor
As with any dietary supplement, results depend on individual health status, consistency of use, and overall lifestyle habits.
How To Use CitrusBurn
The manufacturer’s directions are to take one capsule a day with a full glass of water, ideally in the morning before breakfast, every day. Don’t take more than the label says. Taking it in the morning also avoids any effect on sleep, which a few users mention. Use it alongside a balanced diet and regular activity; on its own, the research suggests the effect will be small.
What Users Report
Positive feedback I found commonly centers on steady energy and reduced appetite, which some users say they noticed within the first two weeks (results vary). Many users describe fewer afternoon energy crashes and less bloating — even before visible weight changes appear.
Critical reviews typically come from users who expected fast results. Many of the complaints I found are about expectations rather than side effects. Users who combined CitrusBurn with a calorie-conscious diet and regular activity report noticeably better outcomes than those who relied on it alone. In the reviews I found, people who used it as a helper were more positive than those who treated it as a shortcut.
CitrusBurn Pros & Cons
| Pros | Cons |
|---|---|
| Stimulant-free, according to the manufacturer | Amounts per ingredient aren’t disclosed |
| Contains berberine, which has some research support for modest weight loss | No published trial of CitrusBurn itself, and most ingredients show small or uncertain effects |
| One capsule a day | Contains bitter orange (p-synephrine), which isn’t suitable for everyone |
| 180-day money-back guarantee while it was on sale | Sales page claims (percentages, “breakthrough” research) go beyond the studies it lists |
| Non-GMO, gluten-free, soy-free and dairy-free, according to the manufacturer | Discontinued in October 2026: no longer sold by the official seller |
| One-time payment, not a subscription, according to the manufacturer | Not suitable for pregnant women or under-18s |
CitrusBurn Price, Guarantee and How Buying Worked
CitrusBurn has been discontinued, so there is no current price and no way to order it from the official seller.
While it was on sale, it came in 2-, 3- and 6-bottle bundles (60-, 90- and 180-day supplies), ordered on the official website with ClickBank handling checkout as the retailer. According to the manufacturer, it was a one-time payment with no subscription, and the refund policy offered a 180-day money-back guarantee. Questions about a past order can go to ClickBank’s customer support.
Is CitrusBurn Legit? Be Careful With Sites Still Selling It
CitrusBurn appears to have been a real product, sold by its vendor through ClickBank with a written 180-day refund policy. It has now been discontinued, so any site still offering it isn’t the official seller, and its bottles may not be genuine or covered by any guarantee. My guide to spotting fake supplement websites shows what to check before you pay for any supplement.
This review has no links to any CitrusBurn sales page.
The sales page made claims beyond the research. It quoted percentages (74% more thermogenesis, 25% more calorie burn, 54% fewer cravings) that I couldn’t match to the studies it listed, referred to research from Harvard and Barcelona without linking to it, and used customer testimonials with weight-loss figures. I found no published trial of CitrusBurn itself.
Alternatives to CitrusBurn
- CitrusBurn vs Mitolyn: how it compares with a stimulant-free capsule built around mitochondrial support.
- Berberine supplement review: if berberine is the ingredient you’re interested in, a stand-alone supplement lets you see the dose.
- Java Burn review: a coffee add-on, if you prefer a liquid you take with your morning cup.
- HepatoBurn review: a liver-themed capsule that also contains berberine.
For a side-by-side ranking, see my best weight loss supplements 2026 guide.
Final Verdict
CitrusBurn is an easy, one-capsule-a-day supplement without stimulants. Its best-supported ingredient is berberine, which has modest evidence for weight loss; the orange peel, vinegar, capsaicin, ginger and green tea research shows small or uncertain effects, and the ginseng trial found none. The amounts per capsule aren’t disclosed, so it’s hard to judge how much of each you actually get.
It is not a fast-acting weight loss pill and should not be approached as one. Users who understand this, and pair it with consistent diet and lifestyle habits, are far more likely to be satisfied.
CitrusBurn has been discontinued, so this review is kept as research only. If you were considering it, see the alternatives above.
Frequently Asked Questions
Does CitrusBurn supplement really work? It may help a little: many users in the reviews I found say it helped with energy and cravings when they used it every day alongside a diet. Of its ingredients, only berberine has some research support for modest weight loss, and there is no published trial of CitrusBurn itself, so results vary.
What are CitrusBurn ingredients? According to the current sales page: Seville orange peel (p-synephrine), apple vinegar, red pepper (capsaicin), ginger, green tea, berberine and Korean red ginseng, all plant-based. The amount of each per capsule isn’t disclosed.
What is the Orange Peel Trick? It’s the sales page’s name for the formula’s main ingredient, Seville orange peel extract, which contains p-synephrine. Studies show small increases in energy use and modest extra weight loss with products containing it, mostly alongside caffeine.
Is CitrusBurn safe to use daily? It appears to be well tolerated by many healthy adults in the reviews I found. It contains bitter orange, so take care with caffeine and other stimulants, and people with medical conditions, heart problems or high blood pressure, or anyone on medication, should consult their doctor before starting.
Is CitrusBurn legit? It appears to have been a real product, sold through ClickBank with a 180-day refund policy, and the manufacturer said it was made in an FDA-registered, GMP-certified facility (FDA registration is not FDA approval). It has now been discontinued. It was not a magic pill, and the sales page’s claims went further than the research.
How long does CitrusBurn take to work? The manufacturer suggests 6 to 12 weeks of daily use. Some users report energy and appetite changes within the first couple of weeks, although results vary.
Any CitrusBurn side effects? Some users report mild digestive discomfort in the first few days, particularly from ginger, berberine, or apple cider vinegar. This typically resolves quickly. Afternoon or evening use may cause mild sleep disruption — morning use is recommended.
Was CitrusBurn a subscription? No. According to the manufacturer, it was a one-time payment with no automatic rebilling.
Where to buy CitrusBurn? You can’t buy it from the official seller any more. CitrusBurn has been discontinued: in October 2026 ClickBank told affiliates that the seller has stopped selling it. It was sold only through its official website, so be cautious of any site still offering it: those bottles may not be genuine. See my guide to spotting fake supplement websites.
Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before starting any new supplement. Individual results may vary. This content may contain affiliate links.