They get their name from the brownish

Chondroitin sulfate helps protect joints by inhibiting the degradative enzymes that destroy articular (joint) cartilage

Sorbic acid (as a preservative)

but with the same "B" shape

or allergies to shellfish

Northern Biscuit - Functionals - Fresh Breath Size:500 gr - Classic They get their name fromThis refreshing Northern Biscuit recipe features fresh, human grade Ontario turkey along with functional ingredients to help freshen dog breath. A breath of fresh air, these treats contain myrtle leaf, a bacteria growth preventative, parsley, a known natural breath freshener, and hand harvested Atlantic kelp, helpful in detoxifying impurities resulting in fresher breath. Slowly baked in small batches with whole barley and rolled oats, Northern