Made for your metabolic health
Loved by 40,000+ customers who took back control of their weight and blood sugar without punishing diets.
“Kleeva Berberine finally helped me get my sugar cravings under control. After two months I feel lighter and I have more energy!” — Joanna, 47
Kleeva Berberine
- Supports healthy blood sugar levels
- Helps control appetite and sugar cravings
- Supports metabolism and metabolic balance
- Supports digestion and gut health
- High absorption · 60 capsules, a 30-day supply
- Vegan · no unnecessary additives
Anna Kowalczyk, RD
Clinical dietitian
“As a dietitian, I recommend berberine to people who want to take care of their blood sugar, metabolism, and weight. Kleeva is my first choice: high absorption and a clean, vegan formula deliver real results with daily use.”
How does berberine work?
Berberine activates AMPK, the enzyme known as the body’s “metabolic master switch.” That sets off a chain of beneficial processes:
Berberine is one of the most extensively studied natural compounds, with its effects documented in numerous clinical trials.
Join thousands of happy customers
Kleeva Berberine has become a daily ritual for people who want to feel light, stay energized, and keep their appetite in check.
Your path to feeling better
Berberine has been used in traditional medicine for centuries, and its effects are now backed by extensive research. Here is what you can expect with regular use:
Months 1–2
✔ Support for healthy blood sugar levels.
✔ Fewer sugar cravings and less snacking.
Months 3–6
✔ Support for healthy weight management.
✔ Support for heart and circulation.
6+ months
✔ Lasting metabolic balance.
✔ Better everyday well-being and energy.
Why choose Kleeva Berberine?
Healthy blood sugar
Berberine supports healthy blood glucose levels, which is why specialists value it.
Heart health
Supports circulation and helps maintain healthy cholesterol levels.
More energy
By supporting your metabolism, it helps keep your energy up all day long.
Healthy gut
Supports digestion and the balance of your gut microbiome.
One natural, powerful ingredient
Tired of supplements with a mile-long ingredient list that still do nothing?
Kleeva gives your body exactly what it needs: pure, high-absorption berberine in a convenient vegan capsule.
No unnecessary fillers. 60 capsules, a full 30-day supply.
60capsules · VEGAN
See how we compare
| Kleeva | Other brands | |
|---|---|---|
| High absorption | ✔ | ✕ |
| 100% vegan formula | ✔ | ✕ |
| Standardized extract | ✔ | ✕ |
| No unnecessary additives | ✔ | ✕ |
| 60 capsules, a 30-day supply | ✔ | ✕ |
| 90-day money-back guarantee | ✔ | ✕ |
Berberine, backed by research
Berberine is one of the most extensively studied natural compounds. Here are selected independent clinical studies:
Effect of berberine on blood glucose and lipid profile
Ye Y. et al., Frontiers in Pharmacology (2021), meta-analysis of RCTs
View study →Effect on fasting glucose and HbA1c
Liang Y. et al., Endocrine Journal (2019), meta-analysis
View study →Effect on lipid profile and glucose metabolism
Lan J. et al., Journal of Ethnopharmacology (2015), meta-analysis
View study →Effect of berberine on blood lipid levels
Dong H. et al., Evid. Based Complement. Alternat. Med. (2012)
View study →QUALITY
Quality you can rely on
Kleeva Berberine is a standardized, high-absorption extract with a clean vegan formula and no unnecessary fillers. We control every detail of production and select every ingredient with care, so you can take it with complete peace of mind.
This content is for informational purposes only. If you take prescription medication, talk to your doctor before adding a supplement.
Our promise to you
Highest quality
We do not compromise on raw materials or manufacturing. Every batch meets the highest standards.
Customer first
Your satisfaction is what matters most to us. We are here to help at every step.
90-day guarantee
Not happy? Return the product within 90 days and get a full refund. No questions asked.
What our customers say
★ 4.9/5 based on 2,853 reviews · 98% would recommend to a friend
Finally something that works!
After a month I noticed a huge difference in my appetite. No more snacking on sweets in the evening. I lost 9 pounds without a brutal diet. I recommend it to everyone!
My doctor was impressed
I have been taking Kleeva for three months. My blood sugar and cholesterol have clearly improved, and I have more energy. The capsules are easy to swallow and tasteless. I am staying on it.
My hunger is under control
Berberine helped me tame my evening hunger pangs. I always snacked too much, and now I feel a real difference in my sugar cravings. Great, natural formula.
Light and energized
I feel lighter and less sluggish after meals. Much less bloating. One bottle lasts the whole month, so the value is excellent.
Frequently asked questions
What is berberine?
Berberine is a natural plant compound (an alkaloid) extracted from plants such as barberry. Used for centuries in traditional medicine, it supports healthy blood sugar, metabolism, and circulation.
How do I take Kleeva Berberine?
The usual serving is one capsule before each main meal, or as directed on the label. Take it with a glass of water. Do not exceed the recommended daily serving.
When will I notice the first results?
Many people notice fewer sugar cravings within the first few weeks. The full metabolic benefits usually show after 1 to 3 months of regular use.
Is it safe?
Kleeva is a natural dietary supplement with a clean formula. If you take medication, are pregnant, or are breastfeeding, talk to your doctor before starting any supplement.
Is it vegan?
Yes. Kleeva Berberine is 100% vegan, in a plant-based capsule with no animal-derived ingredients.
Do you offer a money-back guarantee?
Yes. You get a 90-day no-questions-asked guarantee. If you are not satisfied, return the product and get a full refund.
Try Kleeva Berberine risk-free
We are confident you will love the results. That is why you get 90 days to test it at your own pace. If you do not feel the difference, we will refund 100% of your money. No questions, no hassle.
ORDER NOW — 90-DAY GUARANTEEDietary supplement. 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. A supplement is not a substitute for a varied diet; a balanced diet and a healthy lifestyle are essential. The content on this page is for information only and does not replace medical advice. Consult your doctor or pharmacist before use, especially if you are pregnant, breastfeeding, or taking medication. Customer reviews reflect individual experiences; results may vary.
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