Pooled trials say black seed lowers blood sugar and pressure, but they disagree sharply (I² 99.2%). What a ground black cumin jar label does and does not say.
blood sugar
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Apple Cider Vinegar Gummies: The Key Weight-Loss Study Was Retracted
A 2024 apple cider vinegar weight-loss trial was retracted in 2025. What the meta-analyses show, why liquid-vinegar doses differ from gummies, and the 6 g of sugar. -
Ceylon Cinnamon for Blood Sugar: Why '9,000 mg' Is 450 mg of Extract
Pooled trials of cinnamon for blood sugar are inconclusive, and bitter melon is unproven. This capsule's '9,000 mg' is a herbal equivalent of 450 mg of extract.