Slimming Coffee: What Is Inside and Who Should Avoid It

Short answer: slimming coffees are instant coffee mixes with caffeine plus extras such as fibre, collagen, L-carnitine or garcinia. Caffeine and fibre may help you feel alert or full, but no coffee burns fat on its own. Avoid them if you are pregnant, sensitive to caffeine or have heart or blood-pressure problems, and never buy one that promises fast weight loss.

What is usually inside

IngredientWhat it doesGood to know
Coffee (caffeine)Alertness and energyOne sachet has caffeine like a regular cup; count it in your daily total
Fibre (e.g. inulin)Can help you feel fullDrink water with it; can cause bloating at first
Collagen, glutathioneBeauty add-onsUsually small amounts; check the label
L-carnitine, garcinia, green coffeeMarketed for metabolismEvidence for weight loss is weak
Creamer and sweetenerTasteCheck sugar per sachet

What a slimming coffee can and cannot do

  • It can replace a sugary café drink with a lower-calorie one.
  • Caffeine and fibre may help you feel alert or full for a while.
  • It cannot burn fat or cause weight loss without changes to diet and activity.
  • It is not a meal replacement.

Who should avoid them

  • Pregnant or breastfeeding women.
  • Anyone under 18.
  • People with heart problems, high blood pressure, anxiety or sleep problems.
  • Anyone sensitive to caffeine or taking medication (ask a doctor or pharmacist first).

Warning signs of an unsafe slimming product

Health regulators in many countries have found slimming coffees and capsules containing hidden prescription drugs such as sibutramine, which can cause serious heart problems. Be careful with any product that:

  • promises to make you lose a set number of kilos, or “fast” or “without diet”
  • causes a racing heart, sweating, sleeplessness or anxiety (stop and see a doctor)
  • has no batch number, manufacturer address or ingredient list
  • is much cheaper than everywhere else

Coffee mixes at 99fils

CoffeeWhat it isPrice
Fitgum Collagen Chia Coffee 11-in-1Robusta coffee with collagen, glutathione and chia seeds27
GlutaLipo Gold Series Fiber Coffee12-in-1 fiber coffee mix53
Max Curve CoffeeSugar-free instant coffee high in fibre29
K-Drinks Sip N Go CoffeeFunctional coffee mix, 10 x 21g37

Prices in AED as of November 2026; the product page always shows the current price.

Frequently asked questions

Do slimming coffees really work?

Not on their own. They can be a lower-calorie coffee, and fibre may help with fullness, but weight depends on overall diet and activity.

How many cups a day?

One sachet a day as directed; count it towards your total caffeine.

Can I drink it at night?

Most contain caffeine, so it can affect sleep. Have it earlier in the day.

99fils is run by Ninty Nine Fils Trading LLC in Deira, Dubai. We deliver to all seven emirates in 1–4 business days (AED 16 per order), with cash on delivery, cards, Tabby and Tamara, and every product is covered by our Authenticity Policy.

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