It was a study done on rats, and these rats were given really high doses
Later studies not included in these meta-analyses have been too small to contribute meaningful data ( Reference Pirola, Gandossi and Agosti 92 , Reference de Farias, Cardoso and de Oliveira 93 )
The one that has gained the most online traction is a supplement called berberine
An intraperitoneal glucose tolerance test (IPGTT) was performed on days 0 and 10
Fromer M, Pocklington AJ, Kavanagh DH, Williams HJ, Dwyer S, Gormley P, Georgieva L, Rees E, Palta P, Ruderfer DM, et al
Improvement measures: Neutralizing agents can be combined to eliminate the interference of antibacterial components, or membrane filtration can be adopted to enhance sensitivity