Short Courses

Explore important topics for botanical safety and efficacy as you dive deep into one plant at a time in these bite-size courses.

Comfrey & the PA Puzzle

This short course on pyrrolizidine alkaloids (PA) and Comfrey (Symphytum spp.) is designed to provide healthcare providers, pharmacists, experienced herbalists, and herbal products formulators with a comprehensive understanding of PA: their structure, function, properties, energetics, metabolism, toxicology, and occurrence, especially in Comfrey.

$47 LET'S DO THIS ⇨