Chromium

Both enhance insulin sensitivity

Enhanced blood sugar control

⟡ Bitter Melon

Both enhance insulin sensitivity

Comprehensive blood sugar support

⟡ Glucomannan

Both help with blood sugar and appetite

Enhanced blood sugar control and reduced cravings

⊕ Niacin

stacks-well

Both support metabolic health and glucose regulation

Complementary metabolic support for blood sugar and lipids

Top studies from 40+ peer-reviewed papers

📚meta-analysisn=5501

Zhao G et al. • Reproductive biology and endocrinology : RB&E (2025)

“Chromium, inositol, and Omega-3 were found to be beneficial for improving lipid profile.”

Key Findings:

Inositol significantly decreased total cholesterol and triglyceride levels, while curcumin was most effective in improving low-density and high-density lipoprotein cholesterol levels.
Chromium, inositol, and Omega-3 were found to be beneficial for improving lipid profile.
For improving obesity, sex hormone levels, inflammatory factors and oxidative stress indicators of PCOS patients, carnitine, chromium, and soy isoflavones are effective options, respectively.
These findings confirm that nutritional supplements can effectively alleviate PCOS symptoms, potentially providing valuable guidance for the clinical selection of appropriate nutritional interventions.

📚meta-analysisn=14223

Xia J et al. • Pharmacological research (2023)

“Low to very low certainty evidence established chromium supplements as the most effective in reducing fasting blood glucose levels and homeostasis model assessment of insulin resistance (SUCRAs: 90...”

Key Findings:

Low to very low certainty evidence established chromium supplements as the most effective in reducing fasting blood glucose levels and homeostasis model assessment of insulin resistance (SUCRAs: 90.4% and 78.3%, respectively).
Vitamin K supplements ranked best in reducing glycated hemoglobin A1c and fasting insulin levels (SUCRAs: 97.0% and 82.3%, respectively), with moderate to very low certainty evidence.
Vanadium supplements ranked best in lowering total cholesterol levels with very low evidence certainty (SUCRAs:100%).
Niacin supplements ranked best in triglyceride reductions and increasing high-density lipoprotein cholesterol levels with low to very low evidence certainty (SUCRAs:93.7% and 94.6%, respectively).

📚meta-analysisn=2362

Hu X et al. • PeerJ (2023)

“Carnitine was relatively effective in reducing body mass, while chromium, Omega-3, and selenium were beneficial for improving glucose metabolism.”

Key Findings:

The network meta-analysis showed that carnitine, inositol, and probiotics reduced body weight and body mass index (BMI) compared to placebo, and carnitine outperformed the other supplements (SUCRAs: 96.04%, 97.73%, respectively).
Omega-3 lowered fasting blood glucose (FBG) (SUCRAs: 93.53%), and chromium reduced fasting insulin (FINS) (SUCRAs: 72.90%); both were superior to placebo in improving insulin resistance index (HOMA-IR), and chromium was more effective than Omega-3 (SUCRAs: 79.99%).
Selenium was potent in raising the quantitative insulin sensitivity index (QUICKI) (SUCRAs: 87.92%).
Coenzyme Q10 was the most effective in reducing triglycerides (TG), total cholesterol (TC), and low-density lipoprotein cholesterol (LDL-C) levels (SUCRAs: 87.71%, 98.78%, and 98.70%, respectively).

📚meta-analysisn=5691

Alinaghi F et al. • Contact dermatitis (2023)

“The pooled proportion (95% confidence interval) of Co, Cr and Ni in European metalworkers with dermatitis referred to patch test clinics was 8.2% (5.3%-11.7%), 8.0% (5.1%-11.4%), and 11.0% (7.3%-15...”

Key Findings:

The pooled proportion (95% confidence interval) of Co, Cr and Ni in European metalworkers with dermatitis referred to patch test clinics was 8.2% (5.3%-11.7%), 8.0% (5.1%-11.4%), and 11.0% (7.3%-15.4%), respectively.
The corresponding estimates for unselected metalworkers from workplace studies were 4.9% (2.4%-8.1%), 5.2% (1.0%-12.6%), and 7.6% (3.8%-12.6%), respectively.
In comparison, the prevalence of metal allergy in 13 382 consecutive European males with dermatitis was 3.9% (3.6%-4.2%), 4.4% (4.1%-4.8%) and 6.7% (6.3%-7.0%) for Co, Cr and Ni, respectively.

📊rctn=4169

Compare with Others Find Based on Your Goals

Watanabe H et al. • JAMA cardiology (2022)

“In patients with ACS with successful PCI, clopidogrel monotherapy after 1 to 2 months of DAPT failed to attest noninferiority to standard 12 months of DAPT for the net clinical benefit with a numerical increase in cardiovascular events despite reduction in bleeding events.”

Key Findings:

Of the 4136 included patients, the mean (SD) age was 66.8 (11.9) years, and 856 (21%) were women, 2324 (56%) had ST-segment elevation MI, and 826 (20%) had non-ST-segment elevation MI.
A total of 4107 patients (99.3%) completed the 1-year follow-up in June 2021.
The major secondary cardiovascular end point occurred in 56 patients (2.8%) in the 1- to 2-month DAPT group and in 38 patients (1.9%) in the 12-month DAPT group (absolute difference, 0.90% [95% CI, -0.02% to 1.82%]; HR, 1.50 [95% CI, 0.99-2.26]).
The major secondary bleeding end point occurred in 11 patients (0.5%) in the 1- to 2-month DAPT group and 24 patients (1.2%) in the 12-month DAPT group (absolute difference, -0.63% [95% CI, -1.20% to -0.06%]; HR, 0.46 [95% CI, 0.23-0.94]).

View all 40+ studies

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Chromium

mineral

Chromium Picolinate

Enhances insulin signaling to improve glucose uptake into cells — helps regulate blood sugar and reduce carbohydrate cravings.

immunitymineralblood-sugarinsulinweight-management

40+ studies

Evidence

Reviewed 19 days ago

high

Safety

200-1000mcg daily

Dose

8-16 weeks

Time to Effect

Chromium Picolinate

Best Form

Mechanisms of Action

🔑

Insulin Signaling

Enhances insulin receptor function

🍬

Glucose Uptake

Improves cellular glucose uptake

⚖️

Lipid Metabolism

May improve lipid profiles

Biological PathwayBeta

How Chromium works — from molecular targets to health outcomes. Click an edge to see supporting research.This visualization is in beta — pathways are being refined and expanded.

Supplement

Molecular Target

Biological Process

Health Outcome

Strong

Moderate

Emerging

strong

moderate

emerging

Tap node to isolate • Pinch to zoom • Tap edge for research

Recommended Dose

200-1000mcg daily

100mcg1000mcg

Loading: Not required; consistent daily dosing is key

Optimal Timing

With meals (especially carb-containing)
Can split doses with meals

Take with food

Available Forms

Form	Type
💊Chromium Picolinate	Recommended
💊Chromium Polynicotinate (niacin-bound)	Alternative
💊Chromium GTF (glucose tolerance factor)	Alternative

Picolinate is most studied. Polynicotinate may have slightly better absorption. GTF chromium is from yeast.

Duration

Minimum: 8 weeks

Optimal: 16 weeks

Cycling: Not required

Note: Taking with carbohydrate-containing meals may enhance benefits for blood sugar control.

📉

Blood Sugar Control

Improved fasting glucose and HbA1c

⏱️ 8-16 weeks

60% of users notice thispositive

🍩

Reduced Cravings

Decreased carbohydrate and sugar cravings

⏱️ 2-4 weeks

50% of users notice thispositive

💉

Insulin Sensitivity

Enhanced insulin response

⏱️ 8-12 weeks

55% of users notice thispositive

High SafetyMax safe dose: 1000mcg/day commonly used; higher doses studied

🟡

Type 2 Diabetics

May help with glucose control; monitor blood sugar and adjust meds with doctor

Who Should NOT Take This

Chromate or leather allergy (rare cross-reaction)

Drug Interactions

Diabetes medicationsmoderate

May enhance blood sugar lowering; monitor glucose

Levothyroxinemild

Take at least 3-4 hours apart

Possible Side Effects

Headache

mildrare

Tip: Usually transient

Warnings

May affect blood sugar; diabetics should monitor closely
Concerns about high-dose chromium picolinate and DNA are theoretical

⟡ Alpha-Lipoic Acid

Both enhance insulin sensitivity

Enhanced blood sugar control

⟡ Bitter Melon

Both enhance insulin sensitivity

Comprehensive blood sugar support

⟡ Glucomannan

Both help with blood sugar and appetite

Enhanced blood sugar control and reduced cravings

⊕ Niacin

stacks-well

Both support metabolic health and glucose regulation

Complementary metabolic support for blood sugar and lipids

Top studies from 40+ peer-reviewed papers

📚meta-analysisn=5501

Zhao G et al. • Reproductive biology and endocrinology : RB&E (2025)

“Chromium, inositol, and Omega-3 were found to be beneficial for improving lipid profile.”

Key Findings:

Inositol significantly decreased total cholesterol and triglyceride levels, while curcumin was most effective in improving low-density and high-density lipoprotein cholesterol levels.
Chromium, inositol, and Omega-3 were found to be beneficial for improving lipid profile.
For improving obesity, sex hormone levels, inflammatory factors and oxidative stress indicators of PCOS patients, carnitine, chromium, and soy isoflavones are effective options, respectively.
These findings confirm that nutritional supplements can effectively alleviate PCOS symptoms, potentially providing valuable guidance for the clinical selection of appropriate nutritional interventions.

📚meta-analysisn=14223

Xia J et al. • Pharmacological research (2023)

“Low to very low certainty evidence established chromium supplements as the most effective in reducing fasting blood glucose levels and homeostasis model assessment of insulin resistance (SUCRAs: 90...”

Key Findings:

Low to very low certainty evidence established chromium supplements as the most effective in reducing fasting blood glucose levels and homeostasis model assessment of insulin resistance (SUCRAs: 90.4% and 78.3%, respectively).
Vitamin K supplements ranked best in reducing glycated hemoglobin A1c and fasting insulin levels (SUCRAs: 97.0% and 82.3%, respectively), with moderate to very low certainty evidence.
Vanadium supplements ranked best in lowering total cholesterol levels with very low evidence certainty (SUCRAs:100%).
Niacin supplements ranked best in triglyceride reductions and increasing high-density lipoprotein cholesterol levels with low to very low evidence certainty (SUCRAs:93.7% and 94.6%, respectively).

📚meta-analysisn=2362

Hu X et al. • PeerJ (2023)

“Carnitine was relatively effective in reducing body mass, while chromium, Omega-3, and selenium were beneficial for improving glucose metabolism.”

Key Findings:

The network meta-analysis showed that carnitine, inositol, and probiotics reduced body weight and body mass index (BMI) compared to placebo, and carnitine outperformed the other supplements (SUCRAs: 96.04%, 97.73%, respectively).
Omega-3 lowered fasting blood glucose (FBG) (SUCRAs: 93.53%), and chromium reduced fasting insulin (FINS) (SUCRAs: 72.90%); both were superior to placebo in improving insulin resistance index (HOMA-IR), and chromium was more effective than Omega-3 (SUCRAs: 79.99%).
Selenium was potent in raising the quantitative insulin sensitivity index (QUICKI) (SUCRAs: 87.92%).
Coenzyme Q10 was the most effective in reducing triglycerides (TG), total cholesterol (TC), and low-density lipoprotein cholesterol (LDL-C) levels (SUCRAs: 87.71%, 98.78%, and 98.70%, respectively).

📚meta-analysisn=5691

Alinaghi F et al. • Contact dermatitis (2023)

“The pooled proportion (95% confidence interval) of Co, Cr and Ni in European metalworkers with dermatitis referred to patch test clinics was 8.2% (5.3%-11.7%), 8.0% (5.1%-11.4%), and 11.0% (7.3%-15...”

Key Findings:

The pooled proportion (95% confidence interval) of Co, Cr and Ni in European metalworkers with dermatitis referred to patch test clinics was 8.2% (5.3%-11.7%), 8.0% (5.1%-11.4%), and 11.0% (7.3%-15.4%), respectively.
The corresponding estimates for unselected metalworkers from workplace studies were 4.9% (2.4%-8.1%), 5.2% (1.0%-12.6%), and 7.6% (3.8%-12.6%), respectively.
In comparison, the prevalence of metal allergy in 13 382 consecutive European males with dermatitis was 3.9% (3.6%-4.2%), 4.4% (4.1%-4.8%) and 6.7% (6.3%-7.0%) for Co, Cr and Ni, respectively.

📊rctn=4169

Compare with Others Find Based on Your Goals

Watanabe H et al. • JAMA cardiology (2022)

“In patients with ACS with successful PCI, clopidogrel monotherapy after 1 to 2 months of DAPT failed to attest noninferiority to standard 12 months of DAPT for the net clinical benefit with a numerical increase in cardiovascular events despite reduction in bleeding events.”

Key Findings:

Of the 4136 included patients, the mean (SD) age was 66.8 (11.9) years, and 856 (21%) were women, 2324 (56%) had ST-segment elevation MI, and 826 (20%) had non-ST-segment elevation MI.
A total of 4107 patients (99.3%) completed the 1-year follow-up in June 2021.
The major secondary cardiovascular end point occurred in 56 patients (2.8%) in the 1- to 2-month DAPT group and in 38 patients (1.9%) in the 12-month DAPT group (absolute difference, 0.90% [95% CI, -0.02% to 1.82%]; HR, 1.50 [95% CI, 0.99-2.26]).
The major secondary bleeding end point occurred in 11 patients (0.5%) in the 1- to 2-month DAPT group and 24 patients (1.2%) in the 12-month DAPT group (absolute difference, -0.63% [95% CI, -1.20% to -0.06%]; HR, 0.46 [95% CI, 0.23-0.94]).

View all 40+ studies

What would you like to do next?

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Essential trace mineral for thyroid hormone production — deficiency is common and affects metabolism, energy, and cognition.

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8.5/10

Supports 300+ enzymatic reactions — critical for sleep, stress response, muscle function, and cognitive health.

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Essential B vitamins in their active methylated forms, supporting energy production, mood, and cognitive function.

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