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Endocrinología, Diabetes y Nutrición (English ed.) Therapeutic effects of chromium supplementation on women with polycystic ovarian...
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Vol. 72. Issue 8.
(October 2025)
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Vol. 72. Issue 8.
(October 2025)
Review article
Therapeutic effects of chromium supplementation on women with polycystic ovarian syndrome: A systematic review and meta-analysis
Efectos terapéuticos de la suplementación con cromo en mujeres con síndrome de ovario poliquístico: una revisión sistemática y metaanálisis
Mohammed Hamshoa,
Corresponding author
Hamsho2000001@hotmail.com

Corresponding author.
, Yazan Rannehb, Abdulmannan Fadelc
a Department of Nutrition and Dietetics, Faculty of Health Science, Istanbul Yeni Yüzyıl University, Istanbul, Turkey
b Department of Nutrition and Dietetics, College of Pharmacy, Al-Ain University, Abu Dhabi, United Arab Emirates
c Department of Nutrition and Health, College of Medicine and Health Sciences, Al Ain, United Arab Emirates
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Abstract
Background

Polycystic ovarian syndrome (PCOS) has been treated recently with chromium supplementations. However, it is unknown if this dietary supplement has similar effect to metformin.

Aim

The aim of this study was to investigate the efficacy of chromium supplementation in women with PCOS.

Methods

A meta-analysis was conducted using relevant articles obtained from searches of PubMed, Scopus, Embase, and Google Scholar. The mean difference and standardized mean difference were employed to determine the effect size for biochemical parameters.

Results

A total of 10 randomized controlled trials involving 683 women were included in the analysis. The results indicated that chromium supplementation, as vs a placebo, significantly decreased fasting blood insulin (P=0.01), triglyceride (P<0.00001), total cholesterol (P<0.00001), very low-density lipoprotein (P<0.00001), low-density lipoprotein (P=0.0003), high sensitivity C-reactive protein (P=0.02), malondialdehyde (P=0.007), follicle stimulating hormone (P=0.0007), and prolactin (P=0.01), and increased the Quantitative Insulin Sensitivity Check Index (P=0.02), total antioxidant capacity (P<0.0001), and ovulation incidence (P=0.001). Chromium supplementation was also found to be more effective than metformin in reducing HOMA-IR (P<0.00001), and luteinizing hormone (P=0.04).

Conclusion

Chromium picolinate supplementation at a dosage of 200μg may provide benefits similar to metformin with regard to FBG, FBI, ovulation, and pregnancy incidence, with fewer side effects in patients with PCOS. Further experiments are still required to draw effective dietary guidelines related to chromium.

Keywords:
Polycystic ovarian syndrome
PCOS
Chromium
Metabolic profile
Inflammation
Meta-analysis
Resumen
Antecedentes

El síndrome de ovario poliquístico (SOP) se ha tratado recientemente con suplementos de cromo. Sin embargo, se desconoce si este suplemento dietético tiene un efecto similar al de la metformina.

Objetivo

El objetivo de este estudio fue investigar la eficacia de los suplementos de cromo en mujeres con SOP.

Métodos

Se realizó un metaanálisis utilizando artículos relevantes obtenidos de búsquedas en PubMed, Scopus, Embase y Google Scholar. Se emplearon la diferencia de medias y la diferencia de medias estandarizada para determinar el tamaño del efecto de los parámetros bioquímicos.

Resultados

Se incluyeron en el análisis un total de 10 ensayos controlados aleatorizados con 683 mujeres. Los resultados indicaron que los suplementos de cromo, en comparación con un placebo, disminuyeron significativamente la insulina en sangre en ayunas (p=0,01), los triglicéridos (p<0,00001), el colesterol total (p<0,00001), las lipoproteínas de muy baja densidad (p<0,00001), las lipoproteínas de baja densidad (p=0,0003), la proteína C reactiva de alta sensibilidad (p=0,02), el malondialdehído (p=0,007), la hormona foliculoestimulante (p=0,0007) y la prolactina (p=0,01), y aumentaron el índice cuantitativo de comprobación de la sensibilidad a la insulina (p=0,02), la capacidad antioxidante total (p<0,0001) y la incidencia de ovulación (p=0,001). Los suplementos de cromo también resultaron más eficaces que la metformina para reducir el HOMA-IR (p<0,00001) y la hormona luteinizante (p=0,04).

Conclusión

La suplementación con picolinato de cromo a una dosis de 200μg puede proporcionar beneficios similares a la metformina en lo que respecta a la FBG, la FBI, la ovulación y la incidencia de embarazo, con menos efectos secundarios en pacientes con SOP. Aún es necesario realizar más experimentos para elaborar directrices dietéticas eficaces en relación con el cromo.

Palabras clave:
Síndrome de ovario poliquístico
SOP
Cromo
Perfil metabólico
Inflamación
Metaanálisis

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