Berberine

Berberine is a potent glucose-lowering supplement that may support blood-glucose regulation and metabolic health, but its effects can be strong enough to cause hypoglycemia. It warrants caution and medical guidance. 1

• 1. Blood-glucose and metabolic effects: Berberine can lower blood glucose and is described as activating AMPK. Reported effects also include lower total cholesterol and insulin, while a guest discusses clinical-trial evidence of improved insulin sensitivity. 2 3 4
• 2. Typical dose and individual variation: A typical explored dose range is 500 mg to 1.5 g daily, but dose needs and tolerance vary; one speaker describes tolerating 750 mg to 1 g with a large carbohydrate-containing meal. 5 6 7
• 3. Low blood sugar and symptoms: Taking berberine on an empty stomach—or with low carbohydrate intake—was associated with hypoglycemia, headaches, dizziness, and impaired vision. The discussion advises particular caution in those circumstances. 8 9