Treating impulsivity with probiotics in adults (PROBIA): study protocol of a multicenter, double-blind, randomized, placebo-controlled trial

Table 2 Measurement of blood markers

Type of marker	Marker name	Link with:	Tissue
Inflammation	TNF-α	Inflammation/exercise*/diet	Serum/plasma
	IL-1β	Inflammation/exercise*/diet	Serum/plasma
	IL-6	Inflammation/exercise*/diet	Serum/plasma
	CRP	Inflammation/diet	Serum/plasma
	Bacterial lipoprotein	Inflammation/diet	Serum/plasma
	Vitamin B₁₂	Diet	Serum/plasma
	Folic acid	Diet	Serum/plasma
Vitamins and minerals	Vitamin D	Diet	Serum/plasma
	Iron	Diet	Serum/plasma
	Cu	Diet	Serum/plasma
Nutrients	Cholesterol	Diet	Serum/plasma
	Glucose	Diet	Serum/plasma
	Homocysteine	Diet	Serum/plasma
	BDNF	Diet	Serum/plasma
	5-HT	Diet	Serum/plasma
Other markers	SCFA	Diet	Feces
	GLP-1	Hormone-diet	Serum/plasma
	Insulin	Hormone-diet	Serum/plasma
	Paraoxonase	Diet	Serum/plasma

Abbreviations: 5-HT serotonin, BDNF brain-derived neurotrophic factor, CRP C-reactive protein, GLP-1 glucagon-like peptide 1, IL interleukin, SCFA short-chain fatty acid, TNF-α tumor necrosis factor-α

ISSN: 1745-6215