People with Myalgic Encephalomyelitis / Chronic Fatigue Syndrome have a deficit in the butyrate-producing capacity of the gut microbiome. The relationships observed among symptom severity and gut microbiome disturbances suggests a causal linkage and support research into interventions that boost butyrate production.
Most "niacin" products are niacinamide. If you want the form discussed in this research, look for nicotinic acid specifically.
Direct-buy option with a featured coupon code. Use the code below at checkout for the best visible discount path.
Use at checkout for 10% off.
Shop PureBulk →Pure nicotinic acid powder. No fillers, flexible dosing. This is the form studied in the GPR109A and lipid metabolism literature — not niacinamide.
View on Amazon →Smaller quantity for trying nicotinic acid. Same pure form, lower commitment.
View on Amazon →Niacin.io may earn from qualifying purchases.