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Dietary supplements · Supplements by theme · Blood sugar

12 entries

Blood sugar

Sorted from the strongest evidence to the most limited.

  • BerberineStrong
    A plant extract extensively studied for blood sugar and cholesterol, often mistakenly presented as a "natural Ozempic".
  • ChromeStrong
    A trace element marketed as an appetite suppressant and fat burner. It is also one of the most extensively tested slimming supplements — and the total amount of it weighs less than a kilo.
  • FenugreekStrong
    A seed sold in bodybuilding for testosterone. This is precisely its least well-documented use: its best studies concern blood glucose and cholesterol.
  • GinsengStrong
    Asian (Panax ginseng) or American root: a slight effect on fasting blood glucose, on fatigue in certain patients and on the frequency of colds; nothing on physical performance. It reduces the effect of warfarin.
  • Glucomannan (konjac)Strong
    A soluble fibre derived from konjac. It slightly lowers LDL cholesterol (around 10% at 3 g per day), but the meta-analysis of weight trials finds no weight loss.
  • Myo-inositolStrong
    A molecule similar to sugars, found in food. Almost all research into it focuses on women’s health: gestational diabetes, polycystic ovary syndrome and IVF.
  • Prebiotics (inulin, FOS)Strong
    Dietary fibers (inulin, FOS) that nourish gut bifidobacteria: slightly more regular transit, a small drop in blood sugar in diabetics; nothing in irritable bowel syndrome, and extra gas.
  • PropolisStrong
    A resin gathered by bees: in type 2 diabetics, slightly lower blood glucose and HbA1c in meta-analyses; trials mostly in patients, and a risk of contact allergy.
  • PsylliumStrong
    A soluble fiber that swells upon contact with water. Studied for bowel movement, satiety, and cholesterol.
  • SpirulinaStrong
    A microalgae that slightly lowers LDL, triglycerides, and blood pressure in meta-analyses; regarding weight, memory, and sports performance, a few trials with mixed results.
  • Green teaStrong
    Slightly lowers LDL cholesterol, blood sugar and blood pressure; almost nothing on weight, and a real risk to the liver at high doses in capsules.
  • Cider vinegarStrong
    It has become a social media sensation. Its effect on blood sugar levels after a meal is real and has been measured; as for the weight-loss claims, however, they are based on just one trial.