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You want a supplement that delivers at least 1,000 mg of berberine per day. Make sure the dosage refers to actual Berberine HCl, not a blend or diluted formula. High-quality products clearly list their dosage and form.
Always choose a supplement that’s made in the USA under strict quality standards. To ensure purity and safety, look for products that are independently tested by third-party labs.
Brands that offer a 90-day guarantee show confidence in their product. It gives you time to try the supplement and feel the difference—risk-free.
It should be easy to return a product if it doesn’t work for you. Avoid brands with unclear or restrictive return policies—look for those that make the process simple and honest.
Some brands hide low amounts of berberine inside proprietary blends. Always look for clearly labeled doses of pure Berberine HCl.
Without third-party testing, you can’t be sure what’s really in the bottle. Choose supplements that are tested for purity and potency.
If there’s no money-back guarantee, think twice. Reliable brands make it easy to return a product if it doesn’t work for you.
Cheaper products often mean weak doses, fillers, or poor sourcing. For something you take daily, it’s worth paying for quality.
Made in the USA in an FDA-regulated facility. Luma Nutrition adheres to Good Manufacturing Practices (GMPs).
Other brands only contain 60% Berberine...if they contain it at all! But Luma Nutrition contains 99% of the highest quality Berberine HCl.
An independent lab tests all Luma Nutrition products to make sure they’re potent and free from harmful substances.
Luma Nutrition offers a fair, 90-day, risk-free, money-back guarantee. If you don't like the product, simply return it for a refund.
*Scores and results are based on the our ranking system and do not necessarily reflect typical results from the use of these products.
Please visit product websites for more information.
*Scores and results are based on the our ranking system and do not necessarily reflect typical results from the use of these products.
Please visit product websites for more information.
*Scores and results are based on the our ranking system and do not necessarily reflect typical results from the use of these products.
Please visit product websites for more information.
*Scores and results are based on the our ranking system and do not necessarily reflect typical results from the use of these products.
Please visit product websites for more information.
