Based on the plethora of symptoms affecting different organs/systems, PASC-affected population could be categorized into four different clusters or sub-phenotypes: Sub-phenotype-1 (33.8%) with cardiac and renal manifestations, Sub-phenotype-2 (32.8%) with respiratory, sleep and anxiety disorders, Sub-phenotype-3 (23.4%) with skeleton-muscular and nervous disorders, and Sub-phenotype-4 (10.1%) with digestive and pulmonary dysfunctions 123,136
This often decides whether a case qualifies under federal product liability standards
Moreover, Thorne uses NSF and cGMP-certified facilities to manufacture its berberine supplements, and all of its supplements are rigorously tested in-house four times at various stages of manufacturing (although test results are not readily available on the product website)
It increases the expression of tight junction proteins and the integrity of the intestinal lining
Recent Peer-Reviewed Research (for informational purposes only) The citations below are provided solely for research and educational reference