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IgG Protect, 120 caps

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Nutritionist Approved
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IgG Protect is a highly concentrated (40%) immunoglobulin G (IgG) formula that provides essential nutrition for improved immune health.

IgG Protect’s pure and high concentration formula provides improved immune modulation and strengthens the gut-immune barrier. Consistency in potency and purity of colostrum extracts is a primary concern for clinicians. Advanced filtration and purification techniques make IgG Protect a superior clinical tool. IgG Protect provides 1,000 mg of IgG and 1.75 g of protein per serving.

  • Provides Concentrated Immunoglobulins to Enhance Mucosal Immunity
  • Stimulates the Body’s Normal Gut Repair Mechanisms
  • Helps to Enhance the Elimination of Microorganisms
  • Helps Maintain Microbial Balance




Colostrum concentrate (bovine)
- Immunoglobulin G (IgG)
- Lactoferrin

Other Ingredients: Natural Vegetable Capsules and MagnesiumStearate

Contains: Milk

Formulated to be free of allergens derived from:  Gluten, corn, yeast, artificial colors and flavors.



Serving Size: 4 capsules
Servings per container:
Suggested Use: 
4 capsules per day or as recommended by your health care professional

Caution:  If you are pregnant or nursing, consult your physician before taking this product.  Keep out of reach of children.




Broad-Range Specificity Immunoglobulins

Research has shown that IgG can be effective in neutralizing microorganisms found in the gastrointestinal tract. Colostrum not only includes high quantities of IgG, but also several factors that may positively impact the immune system. Many studies note the use of bovine colostrum to enhance passive immunity to prevent immune challenges, especially when entering by way of the gastrointestinal tract.


Lactoferrin, which is naturally occurring in IgG Protect, is an iron-binding glycoprotein, that facilitates iron absorption. Lactoferrin modulates cytokine release, and its receptors have been found on many immune cells, including lymphocytes, monocytes, macrophages and platelets.

Proline-Rich-Peptides (PRPs)*

PRPs are signaling peptides produced by activated macrophages and the T cells that control the production of all cytokines. PRPs have the unique ability to modulate the immune system by increasing activity level in case of certain challenges and decreasing activity level when health is maintained. PRPs are the main regulators of cell protein synthesis and convey appropriate cell functions.

Growth Factors*

Growth factors in colostrum extract, such as insulin-like growth factor -1 and 2 (IGF-1 and IGF-2) and transforming growth factor-beta 2 (TGF-β2) function to stimulate the growth of the gut. They have also been shown to affect rates of protein synthesis, protein degradation and DNA synthesis. In addition, TGF -β2 may be beneficial in reducing gut permeability and enhancing cell rejuvenation.

Sialic Acid*

Sialic acid is an essential component of glycoproteins, which may function to influence brain growth, enhance learning ability and memory formation. Sialic acid has been shown to assist in enhancing synaptic pathways. It may also assist in immune regulation when necessary.

*Not standardized in colostrum extracts


These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.


1. Godhia M.L, Patel N. Colostrum - its Composition, Benefits as a Nutraceutical - A Review. Curr Res Nutr Food Sci 2013;1(1):37-47 doi : http://dx.doi.org/10.12944/ CRNFSJ.1.1.04
2. Schaller J.P., et al. Prevention of human rotavirus-induced diarrhea in gnotobiotic piglets using bovine antibody. J Infect Dis 1992, 165, 623–630.
3. Hurley W. L., Theil P. K. (2011). Perspectives on Immunoglobulins in Colostrum and Milk. Nutrients, 3(4), 442–474. doi:10.3390/nu3040442
4. Arnold R.R., Brewer M., Gauthier J.J. Bactericidal activity of human lactoferrin: sensitivity of a variety of microorganisms. Infect Immunol 1980;28:893–8.
5. Ronz Z.P. Bovine Colostrum Emerges as Immune System Modulator. Am J. Natr Med Mar1998;5(2):19-23
6. Keech A., Buhmeyer J.I., Kolt R. 2008. The Role of Colostrum Proline-Rich Polypeptides in Human Immunological and Neurological Health. Proceedings of Light-Activated Tissue Regeneration and Therapy Conference. Springer US. 233-243.
7. Francis G. L., et al. (1988). Insulin-like growth factors 1 and 2 in bovine colostrum. Sequences and biological activities compared with those of a potent truncated form. Biochemical Journal, 251(1), 95–103.
8. Morgan B., Winick M. Effects of administration of N-acetylneuraminic acid (NANA) on brain NANA content and behavior. J Nutr 1980;110:416–24.
9. Schauer R. Sialic acids:Chemistry, metabolism and function. Wien, NY: Springer-Verlag, 1982.

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