Preferred Nutrition
Berberine 500 mg
72/100
SUPPIE SCORE
82/100
EFFICACY
Medium
SAFETY
76/100
CLEANLINESS
What Does Berberine 500 mg Do?
- 1,000 mg/day from the label dose matches the lower end of commonly studied berberine dosing.
- Berberine HCl is the best-studied form, but has relatively low oral bioavailability.
- No proprietary blend is used; the active dose is fully disclosed per capsule.
Can I take this berberine with my diabetes medication?
How long should I use this product before checking my blood sugar or cholesterol?
Is this supplement suitable if I have digestive sensitivity?
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What Are the Benefits of Berberine 500 mg?
Based on proven scientific research
Glucose MetabolismVery strong
Cholesterol SupportStrong
Triglyceride SupportStrong
Cardiovascular HealthStrong
Insulin SensitivityStrong
Good For:
What Are the Side Effects of Preferred Nutrition Berberine 500 mg?
Always consult your health practitioner if in doubt.
RiskMedium Risk
Overview
•Provides 500 mg berberine HCl per capsule, with the adult label dose of 1 capsule twice daily supplying 1,000 mg/day, a commonly studied dose but one that can lower blood glucose in sensitive users.
•Do not use during pregnancy or breastfeeding, as the label explicitly warns against use and berberine is generally avoided in these populations.
•Use caution with diabetes or hypoglycemia, especially if taking insulin, metformin, sulfonylureas, GLP-1 drugs, or other glucose-lowering therapies, because additive blood sugar lowering may occur.
•The label advises consulting a healthcare practitioner for leukopenia, kidney disease, hypotension, or other blood pressure problems; berberine may also interact with some drug transport and metabolism pathways.
•Gastrointestinal effects are specifically noted on the label, including constipation, vomiting, abdominal pain, or diarrhea; discontinue and seek medical advice if these occur.
•The product is labelled free from gluten, dairy, soy, wheat, yeast, corn, eggs, fish, shellfish, nuts, artificial preservatives, colours, and sweeteners; it does contain rice flour as an excipient.
Potential Side Effects
Negative Interactions
Inactive Ingredients
Low Risk
Good
Good
Low Risk
Low Risk
Low Risk
What Are the Ingredients in Preferred Nutrition Berberine 500 mg?
Berberine hydrochloride (Berberis vulgaris root bark)
500 mg per capsule
carbohydrate gum (cellulose)
water
rice flour
magnesium stearate of vegetable origin
silica
stearic acid
Sources & References
Frequently Asked Questions
Common questions about Preferred Nutrition Berberine 500 mg