It turned out that it would take a higher than normal dosage of the wormer to affect the Collies and Shelties, an amount they were not likely to encounter if taking ivermectin for prophylactic (heartworm prevention) use. (thedogplace.org)
As a result, Soviet pharmaceutical companies churned out billions of units of questionable drugs that were only partially effective at normal dosages, weakening bacteria but not killing them outright — an environment perfect for spurring antibiotic resistance. (discovermagazine.com)
It was found here to reduce DHT levels by 32 % in normal dosages, thrashing nettle root, which is weak at best. (supernaturalacnetreatment.com)