The B vitamins—comprising B1 (Thiamine), B2 (Riboflavin), B3 (Niacin), B5 (Pantothenic Acid), B6 (Pyridoxine), B7 (Biotin), B9 (Folate), and B12 (Cobalamin)—are essential for energy production and the metabolism of proteins, fats, and carbohydrates. These vitamins also contribute to brain function and red blood cell formation. A diet rich in meats, whole grains, and vegetables will usually provide your bully puppy with the necessary B vitamins they need for healthy growth and energy levels.