Energy balance
Excessive caloric intake and nutrient excess cause mitochondrial dysfunction in adipocytes, leading to increased reactive oxygen species (ROS) production, which in turn causes insulin resistance and lipid accumulation.
To support mitochondrial health and insulin sensitivity, avoid chronic nutrient excess. High levels of glucose and free fatty acids can overwhelm mitochondria, leading to oxidative stress and insulin resistance. Focus on maintaining energy balance to prevent substrate overload.
Excessive caloric intake, increasing the mitochondrial substrate load, or mitochondrial dysfunction that precludes effective dissipation of the proton gradient can increase ROS production, causing cell damage, increased mutation rates of mtDNA, and apoptosis.
Why this rating
The paper is a review citing multiple primary studies (references 2, 6, 12, 13, 18, 19, 20, 21, 22, 23) demonstrating the link in humans and animal models.
Source
Mitochondrial dysfunction in obesity
Juan C. Bournat et al. · Current Opinion in Endocrinology Diabetes and Obesity · 2010
DOI 10.1097/med.0b013e32833c3026
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