Common Supplements Used for Parasite Control: Do They Work?

A look into some common supplements used by chicken keepers for parasite control.  Do they actually work?

The Bougie Coop is sponsored by Eden Feeds.

Links to studies referenced:

Red Pepper (capsaicin): https://pmc.ncbi.nlm.nih.gov/articles/PMC9495104/ (as antibiotic activity and good for gut health)

https://kkgpublications.com/wp-content/uploads/2020/10/ijaps.5.50004-2.pdf (effect on parasites)

Pumpkin seeds: https://academic.oup.com/jas/article/103/Supplement_1/268/8139035 (No effect)

https://www.researchgate.net/publication/283678017_Evaluation_of_the_anthelmintic_activity_of_pumpkin_seeds_Cucurbita_maxima_in_mice_naturall

https://cast.desu.edu/sites/cars/files/document/16/pumpkin_seeds-worms_djo.pdf No effect

https://pmc.ncbi.nlm.nih.gov/articles/PMC10209233/ no effect laying hens

https://meridian.allenpress.com/avian-diseases/article/69/1/74/505621/Effect-of-Supplementation-with-Artemisia No effect at doses that would be commonly given to backyard hens

Garlic: https://www.tandfonline.com/doi/full/10.1080/09712119.2019.1573731#d1e2387

https://pmc.ncbi.nlm.nih.gov/articles/PMC10854602/