Question: what is the best vitamins for german shepherd?
Answer:  Glucosamine Hydrochloride. Glucosamine hydrochloride is the most popular joint supplement given to large dogs like German Shepherds. ...   Chondroitin Sulfate. ...   Avocado/Soybean Unsaponifiables (ASUs) ...   Omega-3 fatty acids. ...   Methylsulfonylmethane (MSM) ...   Green-Lipped Mussels (GLM)