Latest evidence update: 2026-05-21
Several herbs (apple cider vinegar, cinnamon, curcumin, and fenugreek) could be considered valuable adjuvant therapy for glycemic control in type 2 diabetes patients.
Apple cider vinegar significantly reduces HbA1C in type 2 diabetes patients compared with placebo.
Consumption of 2-5 servings per week of apples, red wine, blueberries, and strawberries reduces the risk of Parkinson disease.
Apple cider vinegar significantly reduces fasting blood glucose in type 2 diabetes patients compared with placebo.
Apple cider vinegar is the most effective herb to reduce fasting blood glucose compared with other herbs studied.
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