What is chromium and what does it do in the body?

Chromium is an essential trace mineral involved in carbohydrate, fat, and protein metabolism. It helps support normal insulin action and glucose metabolism.

Can chromium help with blood sugar control?

Chromium supplementation may modestly improve fasting glucose or HbA1c in some people with insulin resistance or type 2 diabetes, especially when baseline control is poor. Effects are not consistent for everyone.

What is a typical chromium dosage?

Common supplemental amounts range from about 25 to 1,000 µg per day depending on the product and goal. Follow label directions and consider medical guidance if you have diabetes or take glucose-lowering medication.

Does chromium improve cholesterol or triglycerides?

Some studies show small improvements in lipid markers such as LDL or HDL, but results are mixed. It should not replace standard diet and medical management for dyslipidemia.

Is chromium safe and who should be cautious?

Chromium is generally well tolerated at typical supplemental doses, but side effects can occur in some people. Those with diabetes, kidney or liver disease, or who take glucose-lowering medicines should consult a clinician before use.

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Chromium

Moderate study situation·7/10

A higher score indicates better study conditions, but not necessarily effectiveness.

An essential trace mineral supporting insulin action and glucose metabolism, with potential use in metabolic health.

Cardiovascular Support Essential Nutrient Glucose Metabolism Cholesterol Management Weight Management

dose range

25–1000 µg

Once daily or in divided doses with meals.

Consumption

Take with meals to enhance absorption and reduce gastrointestinal discomfort.

Not fat-soluble.

Best time

Best taken with food, typically at breakfast or lunch.

Description

Chromium is a trace mineral vital for normal carbohydrate, fat, and protein metabolism, primarily by enhancing insulin function. Deficiency is rare, but supplementation is explored for blood sugar regulation in at-risk populations.

benefits

Main effects with level of evidence

Moderate

Note on evidence

There is moderate evidence for chromium improving glucose metabolism in people with mild insulin resistance or poorly controlled type 2 diabetes. Effects in healthy individuals or for weight loss are less consistent.

Improved glucose metabolism in insulin resistance or type 2 diabetes

Moderate

Chromium supplementation may help lower fasting blood glucose and HbA1c in some individuals with insulin resistance or type 2 diabetes, particularly those with poor baseline control.

Particularly relevant for: Adults with type 2 diabetes · People with metabolic syndrome

S1 · NIH Office of Dietary Supplements S2 · PubMed: Chromium supplementation and glucose metabolism in diabetes S6 · Examine.com: Chromium

May modestly improve blood lipid profile

Limited

Chromium may help lower LDL cholesterol and raise HDL cholesterol, but effects are modest and not consistent across all studies.

Particularly relevant for: Adults with dyslipidemia

S1 · NIH Office of Dietary Supplements S4 · Linus Pauling Institute: Chromium S6 · Examine.com: Chromium

Possible aid in appetite control and cravings reduction

Limited

Some trials suggest chromium may reduce hunger and food cravings, particularly in those prone to binge eating, but results are weak and benefit is small.

Particularly relevant for: Individuals with cravings or binge eating tendencies

S6 · Examine.com: Chromium S7 · Healthline: Chromium Benefits and Risks

Safety & Information

Important safety information & known risks

For educational purposes only • not medical advice

Chromium is generally safe at recommended doses below 1,000 µg/day, but risks increase with higher or prolonged use, history of kidney/liver disease, or certain drug interactions.

warning notices

Risk of kidney or liver toxicity increases with high-dose (above 1,000 µg/day) or long-term use.
People with preexisting kidney or liver diseases or on diabetes medications may be at greater risk for adverse reactions.
Gastrointestinal discomfort, headaches, or allergic reactions are rare but possible at supplemental doses.
Avoid chromium supplementation if you have kidney or liver disease unless supervised by a clinician.
Monitor blood sugar closely if using diabetes medications with chromium, as it may enhance their effects.
Do not exceed 1,000 µg/day from supplements, as higher doses may increase risk of kidney or liver harm.

Known interactions with medications

Diabetes medications (including insulin): Potential for increased hypoglycemic effect.

Contraindications / special precautions

Known kidney or liver disease without physician supervision
Hypersensitivity to chromium compounds

interactions

Important interactions between active ingredient ↔ supplement / medication / food

Chromium can interact with diabetes medications and may be influenced by some minerals.

Chromium may enhance glucose-lowering effects of diabetes drugs.

drug · Insulin or oral diabetes medications

MonitorModerate

Why

Chromium can increase insulin sensitivity or potentiate drug action, risking hypoglycemia.

recommendation

Monitor blood sugar levels closely and consult your healthcare provider before combining.

S1 · NIH Office of Dietary Supplements S3 · EFSA Scientific Opinion on Chromium

High-dose iron may reduce chromium absorption when taken together.

nutrient · Iron

SeparateLimitedSeparate by 2h

Why

Competition for absorption pathways in the gut can reduce effective uptake.

recommendation

Take chromium supplements at least 2 hours apart from high-dose iron.

S4 · Linus Pauling Institute: Chromium

Zinc supplements may reduce absorption of chromium when taken together.

nutrient · Zinc

SeparateLimitedSeparate by 2h

Why

Competition in the intestinal tract can impair absorption of either mineral.

recommendation

Take zinc and chromium supplements at different times of day, such as with separate meals.

S4 · Linus Pauling Institute: Chromium

mechanisms of action

Brief explanations of how it works

Enhances insulin signaling and glucose uptake

Chromium increases the effect of insulin by improving cellular signaling and glucose transporter activity, supporting better blood glucose control.

S1 · NIH Office of Dietary Supplements S2 · PubMed: Chromium supplementation and glucose metabolism in diabetes

Modulation of lipid and carbohydrate metabolism

Chromium may influence lipid and carbohydrate metabolism by interacting with enzymes involved in cholesterol synthesis and macronutrient processing.

S4 · Linus Pauling Institute: Chromium S6 · Examine.com: Chromium

Sources & References

Primary literature and reviews on which these statements are based

7 sources

NIH Office of Dietary Supplements

Comprehensive review of chromium's function, sources, needs, safety, and interactions.

PubMed: Chromium supplementation and glucose metabolism in diabetes

Clinical review of chromium's impact on blood glucose management.

EFSA Scientific Opinion on Chromium

European safety and health assessment for dietary chromium.

Linus Pauling Institute: Chromium

Evidence summary of chromium's roles and intake recommendations.

WebMD: Chromium

General overview and safety notes on supplemental chromium.

Examine.com: Chromium

Systematic evidence overview including benefits and safety.

Healthline: Chromium Benefits and Risks

Consumer-friendly review of potential benefits and risks.

Laatst bijgewerkt: 7 februari 2026

This information is for educational purposes only and does not replace medical advice.

Chromium

Description

benefits

Improved glucose metabolism in insulin resistance or type 2 diabetes

May modestly improve blood lipid profile

Possible aid in appetite control and cravings reduction

Safety & Information

interactions

Chromium may enhance glucose-lowering effects of diabetes drugs.

High-dose iron may reduce chromium absorption when taken together.

Zinc supplements may reduce absorption of chromium when taken together.

mechanisms of action

Enhances insulin signaling and glucose uptake

Modulation of lipid and carbohydrate metabolism

Sources & References

Minerals

Andere categorieën

Safety & Information

interactions

Chromium may enhance glucose-lowering effects of diabetes drugs.

High-dose iron may reduce chromium absorption when taken together.

Zinc supplements may reduce absorption of chromium when taken together.

mechanisms of action

Enhances insulin signaling and glucose uptake

Modulation of lipid and carbohydrate metabolism

Sources & References