The question people ask us most about Slenderiiz is how fast it works. The honest answer is not a number, and this article used to give one anyway.
We sell Slenderiiz. It is our weight-management flagship. Read accordingly.
The thing worth understanding first
An earlier version of this page put this at the very bottom, in the conclusion, after a week-by-week schedule of expected results. It belongs at the top:
The drops do not create a calorie deficit. Losing weight requires eating less energy than you use, and nothing in either bottle changes that. We hear from people who felt the product had failed them, and a good share of the time the programme was not being followed alongside it.
What the drops are sold as is an aid to sticking with a deficit. Whether they help you do that is a real question and it varies a great deal between people. It is a different question from whether they cause weight loss, and the two get blurred constantly, including by us, previously, on this page.
Why there is no honest weekly timeline
This article used to carry one. First two weeks, 4 to 6 weeks, 8 to 12 weeks, with what you could expect in each. It is gone, and not because it was generous.
A schedule of expected results is a results claim with a calendar on it. The FTC's standard is that if you describe an outcome, it has to be one people generally get, not one that is possible. Nobody has established a typical week-by-week outcome for this product, so any schedule is invented, however reasonable it sounds.
What we can tell you is what changes the answer.
What actually determines your result
- The size of the deficit, and whether it lasts. This is most of it. A modest deficit held for three months beats an aggressive one abandoned in three weeks, every time. - Your starting point. People starting heavier generally lose faster at first, partly because a larger body uses more energy at rest. - Whether you follow the food list. The programme comes with one, and the people who do well with it are overwhelmingly the people who use it. We publish the same information as the Slenderiiz food list. - Whether you are eating enough of everything else. Cutting calories hard without attention to protein, vitamins and minerals is how people end up hungry, tired and off the programme by week three. - Sleep, stress and movement. Dull, and they move the number more than any supplement in this catalogue.
The trial everything rests on
Every figure you see quoted for Slenderiiz traces back to one study, and its conditions are the context for all of it:
- Twelve weeks, twenty-three people, placebo-controlled. - Every participant ate to a 1,250 calorie daily limit from an approved food list. - Every participant exercised. - Every participant also took a multivitamin, minerals, omega-3 and a further supplement alongside the drops.
That is a serious, structured weight-loss programme. A result produced inside it is a result of the programme. Anyone quoting the headline without those four conditions is quoting half a sentence, and we spend a whole section on it in our full review.
What is actually in the two bottles
Worth separating, because the marketing often does not.
Slenderiix is homeopathic. What that means, and what regulators have said about the category, is in our piece on homeopathic weight loss drops, which does not flatter it.
Xceler8 is not homeopathic. It is a conventional supplement with its own Supplement Facts panel: B12, biotin, and a green tea, ashwagandha and rhodiola blend. It also contains a small amount of caffeine, and the inactive ingredients include grain alcohol at 20 percent, which is worth knowing and is not prominent in the marketing.
What we would say to somebody deciding
If you want a structured programme with a food list and daily accountability, and the drops are what makes you stick to it, that is a reasonable thing to buy and some people do well on it.
If you are hoping to add drops to your current routine and lose weight, this article's original conclusion was right and we are putting it back in its own words: that is not how it works, and being told otherwise is why people feel let down by it.
The complete assessment, including the star distribution across 123 reviews and what 31 percent of them said, is on the review page.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
More on this subject: Weight Management