Beef lungs are high in protein and low in fat, making for a healthy treat. It's believed that beef lung is an excellent source of vitamins C and B12, iron, zinc, and other beneficial nutrients. Many pet owners also enjoy giving their dogs beef lung treats because they provide collagen. Single-Ingredient Treat for Dogs & CatsHigh-Protein • Air-Dried • Grain-Free & Natural Guaranteed Analysis (per 4 oz / 113g bag) Crude Protein (min): 70.0% Crude Fat (min): 10.0% Crude Fiber (max): 1.0% Moisture (max): 8.0% Ash (max): 6.0% Mineral & Vitamin Content Mineral Amount Iron ~5–8 mg Zinc ~3–4.5 mg Phosphorus ~400–500 mg Potassium ~500–600 mg Magnesium ~35–45 mg Sodium ~100–150 mg Copper ~0.6–1 mg Selenium ~35–50 mcg Calcium ~30–50 mg Vitamin Amount Vitamin A ~3,000–5,000 IU Vitamin B12 ~20–25 mcg Niacin (B3) ~10–15 mg Riboflavin (B2) ~2–3 mg Thiamine (B1) ~0.8–1.2 mg Folic Acid (B9) ~150–200 mcg Pantothenic Acid (B5) ~4–6 mg Feeding Instructions Dogs: Small Dogs (50 lbs): 4–6 pieces per dayBreak into smaller bites for training or light snacks. Cats: Feed 1–2 small bites daily as a reward or training treat. 📝 Supervise during feeding. Provide fresh water. Not intended as a complete meal. Best served as part of a balanced raw or whole-food diet Storage Store in a cool, dry place. Reseal bag after opening to preserve freshness.