Strongest in Consistency (95). Held back by Replication (9).
Mostly meta-analyses and well-designed RCTs.
Few independent replications; results not yet robust.
Thousands of participants across the literature.
Studies agree on direction of effect.
Evidence base skews older; field may have moved on.
No quantified outcomes yet. Once we have studies with measurable endpoints, you will see per-outcome magnitude here.
Areas where research points to a consistent direction of effect. The strength of evidence is graded; the size of the effect is not quantified.
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.
Apple cider vinegar is the most effective herb to reduce fasting blood glucose compared with other herbs studied.
Apple cider vinegar significantly reduces fasting blood glucose in type 2 diabetes patients compared with placebo.
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