There are quite a few articles decrying the use of berberine (Barberry, Goldenseal, Oregon Grape [Mahonia]), saying 'studies' have found it to be 'potentially harmful', but I kind of take those with a pinch if salt.
They are highly likely to have been funded by or connected to the drugs industry, who will try and trash anything that might remotely threaten their hold.
It is interesting that Berberine can have a superior effect on blood sugar, without the side-effects, and it is also interesting that Berberine is a potent anti-parasite herb.......
http://www.tahomaclinicblog.com/berberine-diabetes/
They are highly likely to have been funded by or connected to the drugs industry, who will try and trash anything that might remotely threaten their hold.
It is interesting that Berberine can have a superior effect on blood sugar, without the side-effects, and it is also interesting that Berberine is a potent anti-parasite herb.......
http://www.tahomaclinicblog.com/berberine-diabetes/