Supplementen, getoetst aan het bewijs

Inositol

Sterkte van het bewijs: Zwak

Bijgewerkt 2026-08-07

Deze gids is nog niet in uw taal vertaald en wordt daarom in het Engels getoond.

Kort antwoord

Does inositol improve insulin resistance?

In women with polycystic ovary syndrome, an umbrella review of meta-analyses found inositol improved fasting insulin with moderate certainty, and increased ovulation rates in those who were subfertile. That is a real finding in a defined group. There is no comparable evidence base for inositol as a general glucose supplement.

Voordat u dit neemt

Overleg met uw voorschrijver voordat u dit bij een medicijn neemt, zeker bij bloedsuikerverlagende middelen. Stop nooit met een voorgeschreven medicijn om een supplement te nemen.

Interacties

  • Additive with glucose-lowering medication, and often taken alongside metformin in the polycystic ovary syndrome literature specifically because both act on insulin sensitivity.1

    Voorzichtig

Wie het niet moet nemen

  • Inositol raises ovulation rates in women with polycystic ovary syndrome. If you are taking it for metabolic reasons and not trying to conceive, that is a side effect worth knowing about rather than discovering.1

    Voorzichtig

  • Discuss with your clinician before taking it in pregnancy. Trials exist in that setting, but dose and indication are decisions for someone who knows your history.

    Voorzichtig

Ons oordeel

Reasonable to discuss with a clinician if you have polycystic ovary syndrome. Outside that, you would be extrapolating from a population you are not in.

Wat wij bij u mogen zeggen en verkopen

Gezondheidsclaims voor deze producten zijn in uw regio niet toegestaan, dus deze pagina bevat geen enkele commerciële link. Zij is uitsluitend informatief.

In uw regio worden geen commerciële links getoond.

Hoe u de bewijslabels leest

Elke bewering op deze pagina draagt een label dat aangeeft hoeveel gewicht zij kan dragen. Het beschrijft de sterkte van de bevinding, niet het aanzien van het tijdschrift.

  • Sterk bewijsEen grote gerandomiseerde studie, een lang cohortonderzoek, of overeenstemming tussen meerdere daarvan.
  • Voorlopig bewijsEcht, maar dun — klein, kort, observationeel of nog niet gerepliceerd.
  • OmstredenDeskundige onderzoekers zijn het openlijk oneens. Wij kiezen geen kant voor u.

What the evidence covers

An umbrella review — a review of meta-analyses rather than of trials — assessed 28 pooled analyses of nutritional interventions in polycystic ovary syndrome and graded how much certainty each finding carried. Inositol came out with moderate certainty for improving fasting insulin, alongside a small number of other supplements.

The same review recorded moderate-certainty evidence that inositol increases ovulation rates in subfertile women with the condition. That is the most clinically concrete finding on this whole page, and it has nothing to do with glucose sensors.

Wat het bewijs zegt

  • In women with polycystic ovary syndrome, inositol supplementation improved fasting insulin with moderate certainty in an umbrella review of meta-analyses.1

    Voorlopig bewijs

  • The same review found moderate-certainty evidence that inositol increases ovulation rates in subfertile women with polycystic ovary syndrome.1

    Voorlopig bewijs

  • That review found no high-certainty evidence that dietary interventions alone improved health or reproductive outcomes in polycystic ovary syndrome.1

    Voorlopig bewijs

Why the population matters more than usual here

Polycystic ovary syndrome is strongly associated with insulin resistance, which is why an insulin-sensitising supplement was tested there in the first place. But a finding in a group selected for a specific endocrine disorder does not transfer to a general reader whose only concern is a borderline HbA1c.

Every other supplement on this page is at least tested in populations resembling our readers. This one is not, and the honest framing is that it is well studied in a place most people reading this do not stand.

Veelgestelde vragen

Should I take inositol for prediabetes?
The evidence base is in polycystic ovary syndrome, not prediabetes. Applying it to yourself means assuming a finding transfers between quite different populations, which is exactly the reasoning this site tries to avoid.
What is the difference between myo-inositol and D-chiro-inositol?
They are different isomers, often sold together in a fixed ratio on the basis that this reflects physiological proportions. Trial evidence is mostly on myo-inositol, and the case for particular ratios is commercial more than it is established.

Literatuur

  1. 1.Moslehi N, Zeraattalab-Motlagh S, Rahimi Sakak F, Shab-Bidar S, Ramezani Tehrani F, Mirmiran P (2023). Effects of nutrition on metabolic and endocrine outcomes in women with polycystic ovary syndrome: an umbrella review of meta-analyses of randomized controlled trials. Nutrition Reviews. 10.1093/nutrit/nuac075

Lees hierna