https://www.naturalnews.com/2025-09-08-guar-gum-sharpens-mind-mood-transform-sleep.html
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Enter partially hydrolyzed guar gum (PHGG), a soluble fiber extracted from guar beans, a legume native to India and Pakistan. Unlike typical fiber supplements that merely bulk up stool, PHGG is a prebiotic, meaning it acts as fertilizer for the good bacteria in your gut. When these bacteria feast on PHGG, they produce short-chain fatty acids (SCFAs) — compounds like butyrate, propionate, and acetate that don't just stay in the gut. They seep into your bloodstream, cross the blood-brain b