Gluco Tone berbérine
- Aide à maintenir une glycémie saine
- Soutient l'énergie et le métabolisme
- Favorise l'équilibre digestif et l'absorption des nutriments
- Améliore naturellement la concentration et la vitalité
- Puissant soutien antioxydant grâce à des plantes naturelles
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- Réduit la graisse viscérale du ventre — la berbérine active l'enzyme AMPK qui ordonne à votre corps de brûler la graisse abdominale au lieu de la stocker. C'est la vraie cause du ventre que ni le sport ni les régimes ne touchent.
- Régule la glycémie après chaque repas — la cannelle de Ceylan et le chrome stabilisent les pics d'insuline responsables du stockage automatique de graisse. Moins de pics, moins de stockage, moins de ventre.
- Accélère le métabolisme naturellement — le melon amer booste la combustion des graisses et soutient l'équilibre glycémique sans stimulant chimique ni effet secondaire.
- Redonne de l'énergie stable toute la journée — le curcuma et le ginseng panax éliminent la fatigue chronique et le coup de barre de 14h sans nervosité.
- Réduit les envies de sucre — en stabilisant la glycémie, les fringales sucrées après les repas disparaissent naturellement dès les premières semaines.
- Améliore la digestion et réduit les ballonnements — la moringa et le gymnema sylvestre soutiennent la flore intestinale et l'absorption optimale des nutriments.
- Absorption immédiate grâce au format liquide — contrairement aux gélules, les gouttes liquides sont absorbées directement par le corps pour une efficacité maximale et rapide.
- Soutien antioxydant puissant — le curcuma et la moringa protègent vos cellules contre l'inflammation et le vieillissement cellulaire tout en soutenant la santé globale.
- 100% naturel — sans effets secondaires — 12 ingrédients naturels, sans gluten, sans OGM, sans additifs. Parfum naturel baies cannelle.

Validé par la science, prouvé par les résultats
71%
Ont constaté une amélioration du contrôle de la glycémie à jeun avec la Berbérine lors d'essais cliniques*
63%
Ont observé une réduction des pics de glucose post-repas grâce à la Cannelle de Ceylan*
58%
Ont ressenti une meilleure sensibilité à l'insuline et un métabolisme du glucose optimisé grâce au Melon Amer*
46%
Ont montré un meilleur contrôle de l'appétit et une réduction des envies de sucre avec le Chrome*
Ces chiffres sont issus de recherches cliniques tierces sur les ingrédients individuels de la formule. Les résultats peuvent varier selon le mode de vie et la régularité d'utilisation.
À quoi s'attendre avec une utilisation régulière de Gluco Tone™ ?
Garantie Satisfait ou Remboursé 60 jours
Real, Verified Results:
Discover Why People Call Zvelt “Miraculous”
Note: All reviews come from real paying customers.
They have been authenticated and verified.
Sophie M. — 47 years old
I'd given up on getting my figure back
Since menopause, I'd gained belly fat without changing my diet at all. I tried diets, working out 3 times a week, meal replacements... nothing really worked. By week 3, my clothes were starting to feel looser. By month 2, I'd lost 6 cm off my waist. My doctor noted an improvement in my fasting blood sugar. I still can't fully believe it — but the results are there.
Tested product
Zvelt Berberine
Nathalie R. — 44 years old
Finally something that tackles the real problem
I'd tried intermittent fasting, going gluten-free, working out in the morning before work. I'd lose a little then gain it back. What convinced me was the explanation about insulin — for the first time someone explained why I had belly fat despite my efforts. By week 4 my clothes were looser. By month 2 my belt went down a notch. I recommend it to all my friends.
Tested product
Zvelt Berberine
Marc D. — 52 years old
My belly melted away in 3 weeks
I work in an office, I eat properly, I cycle on weekends. And yet that belly had been there for 5 years. I felt a real difference after 10 days. My blood sugar stabilized, I lost 4 cm off my waist, and I no longer get the afternoon slumps. Honestly blown away.
Tested product
Zvelt Berberine
Isabelle T. — 51 years old
-23 kg in 6 months, my life has changed
I weighed 94 kg. I'd tried everything — diets, a personal trainer, even nutritional coaching at €150 a month. Nothing lasted. With Zvelt I understood that my problem was hormonal, not a lack of willpower. 6 months later I'm at 71 kg. I've regained my confidence. I'm taking photos again. I'm pulling out dresses I wore at 35. It's not just a supplement — it's something that gave me my life back.
Tested product
Zvelt Berberine
Laurent B. — 58 years old
I finally lost the belly I'd carried for 10 years
I'd tried everything — diets, intermittent fasting, the gym. Nothing worked. My doctor had been talking about metformin for 2 years. I decided to try Zvelt first. After 3 weeks I lost 5 cm off my waist and my blood sugar returned to normal. My doctor asked me what I'd changed.
Tested product
Zvelt Berberine
Frequently Asked Questions
Simply take 1 capsule a day at breakfast with a large glass of water. That's it. No need to change your diet or do intense exercise. The capsule works gradually throughout the day to regulate your blood sugar and target belly fat.
Zvelt Berberine+ contains: Berberine Super Complex (1,500 mg including Berberine HCL 100:1 at 97% and Dihydroberberine), Advantra Z® (200 mg of citrus aurantium extract standardized to 10% synephrine), Green Tea Extract at 50% EGCG (180 mg), Ceylon Cinnamon (50 mg), Vegisurge Natural Caffeine (20 mg) and Performance Complex (1,000 mcg). All ingredients are natural, carefully sourced, and precisely dosed.
Zvelt Berberine+ is manufactured in the European Union, in a GMP- and HACCP-certified laboratory. Each batch is produced in small quantities to maintain the highest level of quality and goes through a 3-step quality control process.
Most people feel a difference within the first 9 days: less bloating, more energy after meals, and a belly that starts to deflate. Some see results faster, others need a few more weeks — every metabolism is different. That's why we offer a 60-day guarantee.
We recommend consulting your doctor before combining Zvelt Berberine+ with other dietary supplements, especially if you take medication for diabetes or blood pressure. We want you to stay safe and get the full benefit of our formula.
Yes, Zvelt Berberine+ is 100% vegan. The capsule is plant-based (HPMC) and all ingredients are of natural origin, with no animal-derived components.
Our supplements are formulated by nutrition experts using natural ingredients. In very rare cases, some people may experience mild digestive discomfort during the first few days. If you experience any adverse effect, please consult your doctor.
Each bottle contains 60 capsules, which is a 60-day supply at 1 capsule per day. For optimal results, we recommend a 3- to 6-month course.
Store your bottle in a cool, dry place, away from direct sunlight, to preserve the full effectiveness of the ingredients.
Zvelt Berberine+ stands out with its clinical dose of 1,500 mg of berberine (where most competitors offer only 500 mg), the use of patented ingredients like Advantra Z®, European GMP/HACCP-certified manufacturing, and full transparency on dosages. It's not a generic fat burner — it's a targeted formula for anyone who wants to lose belly fat without dieting.
Zvelt is covered by a 60-day money-back guarantee. If you're not satisfied with your results, simply send us an email at supportzvelt.fr@gmail.com and we'll refund you in full, no questions asked.
At Zvelt, we make no compromises on quality, safety, and transparency. The testimonials on our site are based on personal experiences and do not necessarily represent every user's results. Our products are not intended to diagnose, treat, cure, or prevent any disease. If you have a health condition, consult a qualified healthcare professional before taking our products. For any questions, contact us at: supportzvelt.fr@gmail.com