Only available in the USA and Canada
“My dog has environmental allergies. After bovine colostrum, he’s like a different dog. No redness, excessive licking or itching.”
Grace B.

Bovine Colostrum For Dogs

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Rich in immune-boosting antibodies and proteins. Colostrum helps promote a healthy gut and immune system.

Colostrum is the critical mother's first milk. But it's not just for babies. Colostrum is a good source of IgA antibodies, which can help strengthen and balance the gut and immune system. Four Leaf Rover Colostrum is also rich in proline-rich-polypeptide (PRP), which has been shown to help eliminate or improve the symptoms of allergies and other autoimmune conditions.

Four Leaf Rover Colostrum comes from 100% grass-fed cattle from New Zealand. Every batch is third-party tested to be free of antibiotics and growth hormones. Our colostrum is ethically harvested ... it comes from small family dairy farms and is shared with the calves so they can also reap the immune benefit.

bovine colostrum ingredients

Give Four Leaf Rover Bovine Colostrum once or twice a day. Colostrum should be given away from meals but can be mixed in a little broth or kefir. 

Body Weight Amount Per Day Daily Supply
1-30 lbs 1/16 tsp daily

 240 day supply

31-60 lbs

1/8 tsp daily

120 day supply

61-100 lbs 1/4 tsp daily

60 day supply

100 + lbs 1/2 tsp daily

30 day supply

 Net Contents: 1.16oz (33g)

Note: Colostrum can be given to your dog at mealtime but it’s best given at least 20 minutes before meals for better absorption.

Body Weight Amount Per Day Daily Cost
1-30 lbs 1/16 tsp daily


31-60 lbs

1/8 tsp daily


61-100 lbs 1/4 tsp daily


100 + lbs 1/2 tsp daily


Net Contents: 1.16oz (33g)

Where does colostrum come from?

Four Leaf Rover Bovine Colostrum is a powdered form of bovine first milk. It comes from grass-fed, pasture-raised, antibiotic-free & rBGH growth hormone-free cows, raised in a small organic dairy co-operative.

How is colostrum collected?

Colostrum is collected after the first 12 hours of birth and within the 36 hour timeframe when colostrum levels are the highest. Calves alone receive it during the first 12 hours, then it’s shared for collecting. Calves are not separated from their mothers during this process because the quality and quantity of the milk increase when a cow is allowed to raise her calf.

How does colostrum work to help fight my dog’s allergies?

Research has identified an ingredient called proline-rich polypeptide (PRP) as one of the main components of Colostrum that can help with allergy symptoms.

Colostrum can also help regulate the thymus gland and immune cells (T and B cells) and supply immunoglobulins (IgG and IgA) that help promote a healthy gut lining and immune response.

Can my dog take Colostrum if he has a dairy or beef sensitivity?

The proteins in colostrum are different than those in beef. If your dog has a beef sensitivity, he may tolerate colostrum. 

Unlike milk, colostrum only contains small amounts of lactose. But if your dog has a sensitivity to the proteins in dairy, check with your vet before giving colostrum.

How do I give my dog Colostrum?

Colostrum can be given to your dog at mealtime but it’s best given at least 20 minutes before meals for better absorption. You can mix it with a small amount of spring water, organic kefir or broth. Since it’s a part of “Mother’s Milk”, most dogs are happy to eat it and enjoy the flavor.

Can I use Colostrum topically?

Yes! Mix colostrum with some distilled water to make a paste and apply it to hot spots, irritated skin and bug bites. 

Is there research on the benefits of Colostrum?

Yes, there is plenty of research on colostrum. Here's a sample:

Hurley WL, Theil PK. Perspectives on immunoglobulins in colostrum and milk. Nutrients. 2011 Apr;3(4):442-74.

R. Pakkanen, J. Aalto. Growth factors and antimicrobial factors of bovine colostrum. International Dairy Journal. 1997 May;7(5):285-97.

Playford RJ, Floyd DN, Macdonald CE, et al. Bovine colostrum is a health food supplement which prevents NSAID induced gut damage. Gut. 1999 May;44(5):653-8.

Raymond J Playford, Christopher E Macdonald, Wendy S Johnson. Colostrum and milk-derived peptide growth factors for the treatment of gastrointestinal disorders. American Journal of Clinical Nutrition. 2000 Aug;72(1):5-14.

Siqueiros-Cendón T, Arévalo-Gallegos S, Iglesias-Figueroa BF, et al. Immunomodulatory effects of lactoferrin. Acta Pharmacol Sin. 2014 May;35(5):557-66.

Giffard CJ, Seino MM, Markwell PJ, Bektash RM. Benefits of bovine colostrum on fecal quality in recently weaned puppies. J Nutr. 2004 Aug;134(8 Suppl):2126S-2127S.

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