Greenies products are formulated for multiple life stages, including adult and all-ages formulas, and for a range of dog sizes. Packaging and product listings commonly specify sizes such as small, medium, large, or indicate they are suitable for all sizes.
Product details indicate Greenies items are manufactured in both the United States and Canada, depending on the specific item.
Flavors shown include tuna and chicken for cat treats, and minty varieties (spearmint/peppermint) for some dog treats and dental chews.
Dental care: dog dental chews and some crunchy cat treats. Digestion/hairball control: some indoor cat treats include a fiber blend. Calming: soft-chew supplements formulated with active ingredients such as L-Tryptophan and L-Theanine.
They are labeled as containing less than 2 calories per treat.