Bulbine Natalensis, appears safe up to 50mgs/kg
 

Theriogenology. 2009 Aug;72(3):322-32. Epub 2009 May 1. Reproductive toxicologic evaluations of Bulbine natalensis Baker stem extract in albino rats. Yakubu MT, Afolayan AJ. Phytomedicine Research Centre, Department of Botany, University of Fort Hare, Alice 5700, South Africa. Abstract The effects of oral administration of aqueous extract of Bulbine natalensis Baker stem at [...]

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