Of course, you can. I’m not sure if you have all the signs of leaky gut if you need to test for it, but if you want check for it look for elevated LPS in the blood. Leaky gut is metabolic endotoxemia (toxin overload), which is elevated LPS levels in the blood. ⁠
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Increased serum endotoxin concentration is followed by elevated inflammation that is marked by measurable increases in interleukin-6, interleukin-1-alpha, interferon-gamma, triglycerides, and post-prandial insulin. ⁠
If these markers are elevated, you likely have leaky gut. ⁠