Evidence-based·Last reviewed May 31, 2026·How we grade evidence

Chromium Nicotinate

MineralChromium

Chromium nicotinate is chromium bound to nicotinic acid (niacin). Like other supplemental chromium forms (picolinate, polynicotinate, chromium yeast), it's promoted for glycemic control and insulin sensitivity in type 2 diabetes. The chromium evidence base is modest and inconsistent overall — and crucially, no form has consistently outperformed the others in head-to-head trials. Pick the form based on price and quality, not because of marketing claims of superior bioavailability.

Quick decision guide

May help most

Adults with type 2 diabetes or insulin resistance who want a low-cost trial of chromium as an adjunct to standard glycemic management — and who don't have a preference between nicotinate, picolinate, polynicotinate, or chromium yeast.

Common dosing range

200–1,000 µg elemental chromium/day. Trials in T2DM most often used 200–600 µg/day.

When to expect effects

8–12 weeks minimum to assess HbA1c or fasting glucose change.

Watch out for

Don't replace prescribed diabetes medications with chromium. Some hypoglycemia risk when combined with insulin or sulfonylureas — monitor glucose.

Evidence snapshot

Glycemic control in T2DM (chromium overall)Emerging
Form superiority (nicotinate vs picolinate vs polynicotinate)Low
Body composition / fat lossLow
Mood / carbohydrate cravingLow

What is it

Chromium nicotinate is chromium bound to nicotinic acid (niacin). Similar to chromium polynicotinate but typically with a different chromium-to-niacin ratio.

Is it worth it for you?

Use this as a quick fit check, not a diagnosis.

Worth considering if

You have T2DM or insulin resistance and want a low-risk chromium trial as an adjunct to standard care
You prefer the nicotinate form for the niacin component (modest extra niacin per dose)
You're choosing between chromium forms and pick nicotinate based on price or brand quality (not marketing)
You've discussed adding chromium with the clinician managing your diabetes medications

Probably skip if

You're hoping chromium-nicotinate is meaningfully better than chromium-picolinate or polynicotinate — head-to-head data don't support that
You're using it as a stand-alone weight-loss product — RCTs show essentially no weight-loss effect
You expect dramatic HbA1c reductions — meta-analyses estimate ~0.5% on average, similar to a modest dietary change
You're not on standard diabetes care — chromium is an adjunct, not a treatment
You're pregnant or breastfeeding without medical input

Evidence at a glance

Glycemic control in type 2 diabetes (adjunct)

Limited Evidence
Effect
HbA1c −0.55% pooled (chromium overall, modest); fasting glucose modest reduction; high heterogeneity across trials
Best fit
Adults with T2DM or insulin resistance on stable standard therapy; possibly stronger in chromium-deficient subgroups (older adults, parenteral nutrition recipients)
Time
8–12 weeks minimum to assess change

Body composition (fat loss, muscle)

Mixed Evidence
Effect
No significant difference vs placebo in body composition or strength in 12-week trial
Best fit
None established
Time
Not established for body composition

Carbohydrate craving / mood (in atypical depression)

Mixed Evidence
Effect
Inconsistent small effect on carbohydrate-craving symptoms; not replicated for the nicotinate form
Best fit
None established for nicotinate form
Time
8 weeks in trial protocols

Evidence for 3 uses

AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.

Glycemic control in type 2 diabetes (adjunct)

Disease adjunct
Limited Evidence

Suksomboon 2014 pooled 25 RCTs of chromium supplementation in T2DM and found a modest HbA1c reduction (−0.55%, 95% CI0.88 to0.22). Effects were inconsistent and heterogeneity was high. No specific form (picolinate, nicotinate, polynicotinate, or yeast) consistently outperformed the others. Chromium nicotinate trials are mostly within the broader chromium literature without head-to-head differentiation. Use as a low-risk adjunct to standard diabetes care, not a substitute.

Effect size
HbA1c −0.55% pooled (chromium overall, modest); fasting glucose modest reduction; high heterogeneity across trials
Time to effect
8–12 weeks minimum to assess change
Best fit
Adults with T2DM or insulin resistance on stable standard therapy; possibly stronger in chromium-deficient subgroups (older adults, parenteral nutrition recipients)
Less likely
Healthy adults with normal glucose handling; people expecting chromium to replace metformin/GLP-1/insulin therapy

Bottom line: Modest adjunct effect at best. Pick the chromium form on price and brand quality — nicotinate isn't measurably better than picolinate or polynicotinate.

Body composition (fat loss, muscle)

Supplement benefit
Mixed Evidence

Lukaski 2007 randomized overweight women to chromium picolinate, chromium nicotinate, or placebo during a 12-week resistance training programme. No significant differences in body composition, strength, or insulin sensitivity between forms or vs placebo. The broader chromium-and-weight-loss literature similarly shows weak, inconsistent effects. Chromium nicotinate is not a fat-loss supplement.

Effect size
No significant difference vs placebo in body composition or strength in 12-week trial
Time to effect
Not established for body composition
Best fit
None established
Less likely
Anyone hoping chromium will substitute for caloric deficit and resistance training

Bottom line: Skip for weight loss. The protein-calorie equation is what changes body composition.

Carbohydrate craving / mood (in atypical depression)

Supplement benefit
Mixed Evidence

A small set of older trials with chromium picolinate (not nicotinate specifically) suggested a possible benefit in atypical depression with carbohydrate craving. Effects were small, the trials were short, and replication has been inconsistent. There is no specific nicotinate-form data for this indication.

Effect size
Inconsistent small effect on carbohydrate-craving symptoms; not replicated for the nicotinate form
Time to effect
8 weeks in trial protocols
Best fit
None established for nicotinate form
Less likely
Adults with major depression needing evidence-based care

Bottom line: Don't rely on chromium-nicotinate for mood. Discuss depression treatment with a clinician.

How it works

Like other chromium forms, chromium nicotinate provides supplemental chromium for potential blood sugar and insulin effects. The niacin binding may improve absorption.

How to take it

1. Typical dose
• 200–500 µg elemental chromium/day for general supplementation • 500–1,000 µg/day in T2DM glycemic-control trials (most often 600 µg) • Confirm the LABEL lists ELEMENTAL chromium (µg) — not total chromium-nicotinate compound weight
2. Higher studied dose
Up to 1,000 µg/day in some T2DM trials; no clear additional benefit above 600 µg. No UL established but very-high-dose case reports exist of renal injury from chronic Cr ≥1,200 µg/day.
3. Timing
Once daily with a meal — chromium absorption is enhanced by vitamin C and impaired by phytate.
4. With food
With food (improves absorption and reduces any GI upset).
5. Split dosing
Single daily dose is fine. Split only if going above 500 µg/day to reduce any GI upset.
6. How long to try
8–12 weeks minimum for HbA1c or fasting glucose assessment. Recheck labs and decide whether to continue.

What to track

HbA1c at 8–12 weeks
Fasting glucose and post-meal glucose if you self-monitor
Watch for hypoglycemia symptoms if combined with insulin or sulfonylureas (sweating, shakiness, hunger)
Any new headache or GI upset

Bottom line: If you and your clinician decide a chromium trial is reasonable, 200–600 µg elemental chromium/day for 8–12 weeks is enough to evaluate. No need to pay a premium for one form over another.

5 commercial forms

Compare the main delivery options and what they’re best suited for.

Chromium nicotinate (this page)

Niacin-bound

Chromium chelated 1:1 (or similar) to nicotinic acid. Better absorbed than chromium chloride; comparable to picolinate and polynicotinate in head-to-head data. The niacin component adds a small dose of nicotinic acid per servingusually inconsequential.

Comparable to picolinate and polynicotinate.

Chromium polynicotinate

Higher Cr:niacin ratio

Chromium bound to multiple nicotinic-acid groups (often branded ChromeMate). Marketed as more bioavailable than picolinate; head-to-head clinical data don't clearly support superiority. See /nutrients/chromium-polynicotinate.

Comparable to nicotinate and picolinate in clinical trials.

Chromium picolinate

Most studied

Chromium bound to picolinic acid. The form used in most large T2DM glycemic-control trials. Some old safety questions about picolinic acid signaling were never substantiated in clinical use. See /nutrients/chromium-picolinate.

Equivalent to nicotinate and polynicotinate in head-to-head trials.

Chromium yeast (Saccharomyces cerevisiae)

Food-form

Chromium incorporated into yeast biomass; arguably the most 'food-like' source. Bioavailability per µg is comparable to chelated chromium forms; some prefer it for the food-matrix delivery.

Comparable in absorption and effect to chelated forms.

Chromium chloride

Lower absorption

Inorganic chromium salt. Lower bioavailability than chelated forms. Used in older clinical trials but largely superseded by picolinate/nicotinate/polynicotinate in modern supplements.

Lowest of the supplemental forms; superseded by chelates.

Safety

Know the common side effects, key cautions, and who should avoid it.

Common side effects

headachemild GI upsetoccasional flushing from the nicotinic acid component at higher doses

Serious risks

Who should avoid it

Pregnancy & breastfeeding

Adequate Intake of chromium in pregnancy is 30 µg/day (lactation 45 µg/day); ordinary diet typically supplies enough. Supplemental chromium beyond AI hasn't been studied in pregnancy and should be discussed with your obstetric provider.

Bottom line: Generally low-risk at supplement doses. The main practical caution is hypoglycemia with insulin/sulfonylureas — monitor glucose if you start chromium on top of those.

Interactions

insulin / sulfonylureas / meglitinidesModerate

Additive glucose-lowering effect — risk of hypoglycemia. Monitor blood glucose and discuss dose adjustment with your diabetes-care clinician.

metforminMinor

Mild additive insulin-sensitising effect. No specific dose adjustment required; monitor glucose.

levothyroxineMinor

Trivalent chromium may modestly reduce levothyroxine absorption. Separate doses by 3–4 hours.

iron supplementsMinor

Chromium and iron may modestly compete for transferrin binding; clinical significance is low. Separate by 2 hours if both are essential.

antacids (calcium carbonate / aluminum)Minor

May reduce chromium absorption when taken together. Separate by 1–2 hours.

high-dose niacin products (other supplements containing nicotinic acid or niacinamide)Minor

Chromium nicotinate contributes a small amount of nicotinic acid per dose. Stacking with high-dose niacin products can push you toward niacin-flush, hepatic enzyme elevation, or hyperuricemia.

Food sources

Broccoli, cooked

Amount
½ cup (~11 µg Cr)
%DV
31%

Grape juice

Amount
1 cup (~8 µg Cr)
%DV
23%

Turkey breast, roasted

Amount
3 oz (~1.7 µg Cr)
%DV
5%

Whole wheat English muffin

Amount
1 muffin (~4 µg Cr)
%DV
11%

Green beans, cooked

Amount
½ cup (~1.1 µg Cr)
%DV
3%

Beef, ground, cooked

Amount
3 oz (~2 µg Cr)
%DV
6%

Apple, with skin

Amount
1 medium (~1.4 µg Cr)
%DV
4%

Brewer's yeast (chromium-enriched)

Amount
1 Tbsp (variable, ~10–50 µg Cr)
%DV

Choosing a product

What to look for on the label — and what to be skeptical of.

Look for

Elemental chromium dose (µg) clearly stated — not just total weight of chromium-nicotinate compound
Single-ingredient or simple combination product if you're tracking chromium dose precisely
Third-party tested (USP, NSF, ConsumerLab) — confirms label dose
200–500 µg elemental chromium per capsule is the standard practical range
Disclosure of niacin (nicotinic acid) content per serving — typically a few mg

Be skeptical of

'Better absorbed than picolinate / polynicotinate' — head-to-head data show no consistent difference; Lukaski 2007 specifically tested nicotinate vs picolinate and found neither beat placebo
'Fat burner' or 'weight loss accelerator' — chromium doesn't reliably change body composition
'Insulin replacement' or 'reverses diabetes' — chromium is at most a modest adjunct
Mega-dose products (>1,000 µg per serving) marketed for daily use — no clear additional benefit and case reports of renal injury exist
Combination products that hide chromium-nicotinate inside a proprietary blend with unstated elemental chromium

Frequently asked questions

Is chromium nicotinate the same as chromium polynicotinate?

Similar but with different niacin-to-chromium ratios. Both deliver chromium with niacin binding.

References by claim

Glycemic control in type 2 diabetes (adjunct)

Suksomboon et al., 2014 (meta-analysis)PubMed — Journal of Clinical Pharmacy and Therapeutics (2014) link

Cefalu & Hu, 2002 (review)PubMed — Diabetes Care (2002) link

Body composition (fat loss, muscle)

Lukaski et al., 2007 (head-to-head Cr forms)PubMed — Nutrition (2007) link

Safety

NIH ODS Chromium Health Professional Fact SheetNIH Office of Dietary Supplements (2024) link

Other references

Hininger-Favier et al., 2009 (speciation)PubMed — Annales d'Endocrinologie (2009) link

Chromium Nicotinate on WikidataWikidata link

Chromium nicotinate (ChEBI:50368)ChEBI link

Chromium nicotinate (PubChem CID 9909912)PubChem link

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Evidence-based·Last reviewed May 31, 2026·Evidence current as of May 31, 2026·How we grade evidence

Disclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.