Hey Alan, although there is no way to prove that I indeed do not work in the cinnamon industry, here are a several articles to back the scientific objectivity behind this one:

1. https://www.healthline.com/nutrition/ceylon-vs-cassia-cinnamon
2. https://paleofoundation.com/9-important-things-you-need-to-know-about-your-cinnamon/
3. https://www.healthline.com/nutrition/side-effects-of-cinnamon#1
4. https://www.ncbi.nlm.nih.gov/pubmed/20024932

Hope that helps!