Toxic Levels of Kratom and LD50 of Mitragynine
Mitragynine is the most abundant alkaloid in kratom. Kratom contains about 40 alkaloids that we know of. All of the alkaloids combined make up only 0.5-1.5% of the total leaf material. Estimates of percentage of mitragynine in alkaloids range from 12% in Malaysian kratom to 66% in Thai kratom. If alkaloids make up only 1% …