howtosupplement
Hormonal/Weight/Heart

Chromium

Trace mineral that may modestly improve glucose control and appetite in adults with insulin resistance, but offers little for healthy users.

Chromium

Chromium

38
score
C
evidence
Caution
risk
Quick Take

Mostly a niche glucose-support supplement — healthy adults with normal labs usually won't notice much.

Chromium is a trace mineral found in broccoli, whole grains, potatoes, meats, and some juices, although food levels vary widely. It appears to enhance insulin signaling and glucose uptake in some tissues. The best-supported use is modest improvement in fasting glucose or HbA1c in people with insulin resistance, with weaker evidence for appetite, body weight, and lipids. Healthy adults with normal glucose control usually benefit little.

Proven Benefits

01
May improve fasting glucose/HbA1c
02
May improve insulin sensitivity
03
May support small weight loss
04
May reduce carbohydrate cravings
05
May improve triglycerides/HDL

Protocol

Amount
200-400 mcg
Frequency
Once daily
When
With a meal; if using more than 200 mcg, split into 2 doses with meals.

Onset Time

4-8 weeks for glucose; 8-12 weeks for HbA1c or weight.

Who Should Consider

Adults with prediabetes or insulin resistance
Overweight adults with strong sugar cravings
People with low whole-grain and vegetable intake
Adults testing glucose support after lifestyle changes

Food Sources

  • Broccoli (~10 mcg per 1/2 cup cooked)
  • Grape juice (~7-8 mcg per 240 mL)
  • Whole-wheat bread (~2-4 mcg per 2 slices)
  • Potato with skin (~3 mcg per medium potato)
  • Beef or turkey (~2 mcg per 85 g)

How It Works

Trivalent chromium may bind to chromodulin and amplify insulin receptor kinase activity, which can increase GLUT4-mediated glucose uptake. In some insulin-resistant people this may modestly improve insulin sensitivity, but responses are inconsistent.

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