A modest helper for blood sugar and cravings in PCOS — minor next to inositol and berberine, but reasonable as an add-on.
Chromium is a trace mineral that helps insulin work more effectively. For women with PCOS or persistent sugar cravings, it is promoted for steadier blood sugar and fewer cravings — both linked to the insulin resistance that often sits behind PCOS.
The evidence is modest and mixed. Some studies show small improvements in blood-sugar control and a reduction in cravings; others show little effect. It is best seen as a minor helper rather than a centrepiece — inositol and berberine have stronger data for the same blood-sugar goal in PCOS.
PCOS with insulin resistance, frequent sugar or carb cravings, or blood-sugar swings — as a small add-on to diet and the better-evidenced options.
Chromium is spread thinly across the diet, with the richest sources being broccoli (the clear standout), followed by wholegrains and wholemeal bread, lean meats, green beans, potatoes, and fruit such as grapes and apples. Brewer's yeast is a traditional concentrated source. Two practical points: food processing strips much of the chromium from refined grains and sugar, so highly processed diets tend to be lower — and, counterintuitively, eating a lot of sugar actually increases how much chromium you lose in urine. A wholefood diet rich in vegetables and wholegrains keeps your baseline healthy, with a supplement reserved as a small add-on for specific blood-sugar or craving goals.
A common dose is 200–500 mcg/day of chromium picolinate, taken with food. There is little benefit to going higher.
Take it with a meal for best absorption. Give it several weeks alongside dietary changes to judge any effect on cravings.
Generally well tolerated at these doses; very high long-term intakes are not advised.
Myo-inositol and magnesium for broader blood-sugar support — these do more of the heavy lifting.
If you take diabetes medication or insulin, monitor your blood sugar and check with your doctor, as the effects can add up.
Anyone on blood-sugar-lowering medication, and those with kidney problems.
Chromium picolinate (a well-absorbed form) at 200–500 mcg, third-party tested.
Chromium is a reasonable minor add-on for blood sugar and cravings in PCOS, with modest evidence. Take 200–500 mcg of the picolinate form with food — but lean on inositol and berberine, which have stronger data.
Trials and reviews of chromium for glycaemic control and cravings; research on chromium in PCOS; NIH information on chromium.
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Based on guidance from the NHS, NICE, Cleveland Clinic and peer-reviewed research.
General information, not a substitute for personal medical advice — always consult your doctor or a qualified health professional before making health decisions. If you are pregnant, breastfeeding, trying to conceive, under 18, or taking medication, speak to your doctor before starting any supplement.