Leava Review (2026): Ingredients, Evidence & Verdict

The manufacturer's own product information page lists just two active ingredients: apple cider vinegar ("Mother" apple cider vinegar, the unfiltered kind that retains the cloudy strand of proteins and bacteria) and ginger dry extract. The recommended dose is two gummies daily, with the brand suggesting consistent use over three months for results. No milligram amount is disclosed for either ingredient.

That's a notably short list for a weight-loss product marketed around appetite control: most competitors in this category, including several others reviewed on this site, list eight to eleven ingredients. Apple cider vinegar has some small human studies suggesting modest effects on satiety and post-meal blood sugar, though nowhere near the dramatic effect implied by "appetite control" marketing, and much of the strongest evidence comes from older or industry-funded research. Ginger has real research behind nausea relief and mild digestive support, with only weak, preliminary evidence for any metabolic or appetite effect. Neither ingredient is implausible for general wellness, but neither is a strong appetite-control agent on its own either.

Since doses still aren't disclosed for either ingredient, check the physical label as soon as it arrives. Apple cider vinegar in concentrated form can affect tooth enamel over time and may interact with diabetes medication or diuretics, so consult a doctor before use if you're pregnant, breastfeeding, or take regular medication. The official page states a 60-day money-back guarantee and ships within the EU in 3-5 days.

The manufacturer's product information page lists just two ingredients: apple cider vinegar (Mother ACV) and ginger dry extract, taken as two gummies daily. No milligram dose is disclosed for either.

It's notably fewer than most competitors in this category, which typically list eight or more ingredients (glucomannan, chromium, green coffee extract and similar). Apple cider vinegar and ginger are both plausible wellness ingredients, but a thin formula for the specific appetite-control claims being made.

Apple cider vinegar has some small studies suggesting modest effects on satiety and blood sugar, and ginger has real research on digestion, but neither is a strong appetite-control agent at typical doses, and no dose is disclosed here. Treat the marketing framing as more ambitious than the two-ingredient formula supports.

Apple cider vinegar in concentrated form can affect tooth enamel over time and may interact with diabetes medication or diuretics. Consult a doctor before use if you're pregnant, breastfeeding, or take regular medication.

Yes, the official page states a 60-day money-back guarantee.

Through the official page. That's exactly where our link takes you, so you see today's real price and package options firsthand.

It depends on your priorities. We scored Leava 2.0/5. On the positive side, the manufacturer's product page now confirms a real, if very short, ingredient list: apple cider vinegar and ginger dry extract. However, just two active ingredients for a product marketed around appetite control, notably thinner than most competitors in this category. Compare the evidence, total cost and alternatives before purchasing.