Processed sugar intake suppresses the human immune system
the verdict
SUPPORTED
the evidence backs this
confidence 75/100
Current scientific literature supports the understanding that high-sugar and ultra-processed diets promote systemic inflammation and metabolic disruption, which can suppress or dysregulate immune function.
Evidence for · 2
Biochemistry of Human Gut Microbiota: Related Diseases and Dietary Interactions.
2026 · cited by 0
Paper 2 notes that high-sugar diets drive metabolic endotoxemia and systemic inflammation, negatively impacting immune and metabolic homeostasis.
See more details
More for · 1
Exploring the Connection Between Ultra-Processed Foods and Breast Cancer: From Adiposity to Inflammation and Beyond.
2026 · cited by 0
Paper 5 connects high consumption of ultra-processed foods, which are rich in added sugars, to low-grade chronic inflammation and immune-related metabolic alterations.