B Vitamins encompass a range of essential vitamins, including B1 (thiamine), B2 (riboflavin), B3 (niacin), B6 (pyridoxine), B12 (cobalamin), and folate. These vitamins are critical for energy metabolism, maintaining healthy nerve function, and promoting a good appetite. Dogs that are stressed or recovering from illness may benefit from additional B vitamins. You can find these vitamins in foods like eggs, meats, and cooked grains.