Pharmanex® Colostrum Defense (USA)

Pharmanex Colostrum Defense delivers bovine colostrum — the nutrient-rich first milk produced by cows after birth — standardized for immunoglobulin (IgG) content. At US$55.00 for a 30-day supply, it provides concentrated immune factors (antibodies, lactoferrin, growth factors) that support both immune system function and gut barrier integrity. Colostrum has been studied for immune support, gut health, and recovery enhancement, with particular relevance during cold and flu season or for anyone wanting to strengthen their body's first line of defense.

What Makes Colostrum Defense Different

Bovine colostrum contains immunoglobulins (primarily IgG) that survive gastric digestion and support immune function in the gut — which contains approximately 70% of your immune system. A 2014 review in the British Journal of Sports Medicine (PMID: 24282018) found that bovine colostrum supplementation reduced the incidence of upper respiratory tract infections. The IgG content also supports gut barrier integrity by binding to pathogens in the intestinal lumen before they can breach the mucosal barrier.

Key Ingredients

Bovine colostrum (standardized IgG) — rich in immunoglobulins, lactoferrin, and growth factors. Standardized to guarantee minimum IgG content per serving.

How to Use

Take daily with meals. For immune support during cold and flu season, consistent daily use provides the best protection. Can also be used as needed during periods of increased immune demand (travel, stress, illness exposure).

Who Is This For

Ideal for: Adults wanting immune system support through natural immunoglobulins. Particularly useful during cold/flu season or for frequent travelers.

Not recommended for: Anyone with a dairy allergy or lactose intolerance — colostrum is a dairy-derived product.

Frequently Asked Questions

Can I buy this without signing up?
Yes. No membership needed. Ships from the official US warehouse.

Is bovine colostrum safe for humans?
Yes. Bovine colostrum has been studied extensively and is generally recognized as safe. The immunoglobulins are structurally similar enough to human immunoglobulins to provide immune support through the gut.

Important Information

FDA Notice: *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Consult your healthcare provider before use if you are pregnant, nursing, taking medication, or have a medical condition. Keep out of reach of children.

Affiliate Disclosure: NuBest Skin is an Independent Nu Skin Brand Affiliate. This website is independently operated and is not produced, endorsed, supported, or affiliated with Nu Skin Enterprises, Inc.

Sources & References

1. Jones AW, et al. "Bovine colostrum supplementation and URTI." British Journal of Sports Medicine, 2014. PMID: 24282018.
2. Nu Skin Enterprises, Inc. — Colostrum Defense documentation.

Reviewed by the NuBest Skin Editorial Team. Last updated: April 2026.