Most gullet and bully sticks are single‑ingredient chews made from beef gullet (also called beef pizzle).
Product descriptions say chewing gullet/bully sticks helps remove tartar and plaque through the mechanical scraping action of chewing.
Sourcing varies by product—listings cite countries such as Canada and Colombia, and some describe North American or free‑range beef. Check the product label or listing for the specific origin and sourcing claims before buying.
They are commonly high in protein; some listings also note joint‑support nutrients such as glucosamine and chondroitin. One listing provides this guaranteed analysis: Crude Protein Min. 80.0%, Crude Fat Min. 9.0%, Crude Fiber Max. 0.3%, Moisture Max. 10.0%.
Many listings are labeled for all life stages and sizes, but some specify adult dogs or medium/large breeds. Check the product description and feeding recommendations to ensure suitability for puppies or small breeds.
Listings commonly advise storing treats in a dry place and supervising pets while they chew; some also recommend washing hands after handling.