Product overview — what it is in one paragraph
Four Leaf Rover Bovine Colostrum is a powdered dietary supplement for dogs derived from the first milk of grass-fed New Zealand cattle. It provides immune system support, gut health maintenance, and relief for seasonal or environmental allergies through natural antibodies and proteins. Manufactured by Four Leaf Rover in a GMP-compliant facility in Texas, this product targets dogs experiencing digestive issues, skin irritations, or weakened immunity across all age groups.
Key specifications
| Specification | Detail |
|---|---|
| Form factor | Powder |
| Net contents | 1.04 oz (29.5 g) or 33 g |
| Active ingredients | Bovine colostrum, IgA antibodies, proline-rich polypeptides (PRPs), lactoferrin |
| Sourcing | 100% grass-fed New Zealand cattle, free of growth hormones, antibiotics, rBGH, and BSE |
| Dosage frequency | Once or twice daily, away from meals (at least 20 minutes before for better absorption); mix with broth or kefir |
| Serving size by weight | <11.5 kg: 1/16 tsp; 11.5-23 kg: 1/8 tsp; 23-45 kg: 1/4 tsp; >45 kg: 1/2 tsp |
| Price | $24.99 per container |
| ASIN | B09TSTN46M |
| Manufacturing | GMP-compliant plant in Texas, USA; partners with NASC for safety testing |
| Ethical sourcing | Shared with calves after first 12 hours; calves stay with mothers 6-8 months |
Active ingredients and what they do
The primary ingredient is bovine colostrum from grass-fed New Zealand cows, rich in immunoglobulins such as IgA antibodies that support a healthy gut lining by promoting intestinal cell regeneration and reducing inflammation. These antibodies help maintain barrier integrity in the digestive tract, aiding dogs with leaky gut, inflammatory bowel disease, or poor nutrient absorption. Growth factors like epidermal growth factor (EGF) and transforming growth factor (TGF) contribute to tissue repair in the gut.
Proline-rich polypeptides (PRPs) and lactoferrin provide immune modulation, balancing responses to allergens and pathogens. PRPs reduce histamine production, minimizing itching, redness, and scratching from seasonal or environmental allergies. Lactoferrin offers antimicrobial and anti-inflammatory effects, protecting cells from oxidative damage while supporting skin health and coat condition. Antioxidant compounds further combat inflammation in joints or chronic conditions.
Important facts and numbers
Each 1.04 oz (29.5 g) container costs $24.99 and supplies approximately 60 days for large dogs based on 1/2 tsp daily servings. The product originates from pastured cows in New Zealand, with surplus colostrum collected after calves receive their initial 12-hour supply. Manufacturing occurs in a GMP-compliant Texas facility, with partnerships including NASC for rigorous safety testing and research. It carries a satisfaction guarantee with full refunds, no questions asked. Shelf life details are not specified; check product label for expiration. The powder provides one-time purchase at full price or autoship discounts reducing cost to $21.24.
Compatibility and requirements
This supplement suits dogs of all ages, from puppies to seniors over 14 years, with dosages scaled by body weight under 11.5 kg to over 45 kg. It pairs with Four Leaf Rover products like Protect, Gut Guard, or Harmony for enhanced digestive or skin support. Dogs with beef sensitivity may tolerate it due to differing proteins and low lactose content compared to milk, but start with a small amount and consult a veterinarian. Avoid giving with meals for optimal absorption; no age restrictions apply, but pregnant or nursing dogs require veterinary advice. Not suitable if severe dairy allergy is confirmed.