SKU: IGC

IgGI Shield™

Supports Healthy Intestinal Barrier Function*

Dairy-free, 2-in-1 formula to help bind and remove toxins, fortify the mucus layer, and support nutrient absorption while helping maintain a healthy gut lining.*

IgGI Shield™ is the only product on the market that combines two powerful ingredients to support gut and immune health — serum-bovine immunoglobulin concentrate (ImmunoLin®) and N-acetyl-D-glucosamine (NAG).*

• Promotes gastrointestinal health*
• Helps maintain a healthy gut lining*
• Supports healthy immune responses in the gut*
• Promotes a balanced gut microbial environment*
• Supports the body’s normal clearance of certain toxins and microbes*
• Helps maintain a healthy inflammatory response*

Recommeded Use: Take 4 capsules per day, or as directed by your health-care practitioner.

A great addition to any gut‑health program*

IgGI Shield™ is a unique, dairy-free 2-in-1 supplement designed to support gut health by helping to bind and remove certain toxins and microbes from the gastrointestinal (GI) tract while also repairing and maintaining a healthy gut lining.* This dual-action approach of removal and repair helps restore and maintain overall gut balance.* IgGI Shield™ may be especially supportive for individuals seeking GI comfort related to dietary changes, food sensitivities, stress, or common GI concerns such as occasional diarrhea.*

IgGI Shield™

Dairy-Free 2-in-1 Gut Health Support with Serum-Bovine Immunoglobulin and N-Acetyl-D-Glucosamine for Intestinal Barrier Function*

Key Performance Benefits*

  • Promotes gastrointestinal health
  • Helps maintain a healthy gut lining
  • Supports the body’s normal clearance of toxins and microbes
  • Promotes a balanced gut microbial environment
  • Supports healthy immune responses in the gut
  • Helps maintain a healthy inflammatory response

What This Product Is

IgGI Shield combines serum-bovine immunoglobulin concentrate (ImmunoLin®) and N-acetyl-D-glucosamine (NAG) in a dual-action remove-and-rebuild approach.* Powder: 2.5 g SBI (1.1 g IgG) + 1 g NAG. Capsules: 1 g SBI (500 mg IgG) + 1 g NAG. Dairy-free.

Mechanism of Action

SBI (ImmunoLin) for Toxin Binding and Clearance*

Immunoglobulins bind and remove toxins and microbes including LPS from the gut. Strengthens gut barrier and supports balanced immune responses.* Non-dairy alternative to colostrum.

N-Acetyl-D-Glucosamine to help Rebuild Gut Lining

NAG strengthens the gut lining and supports the protective mucosal layer, the body’s first line of defense. Promotes balanced immune and inflammatory responses.*

Dual-Action Remove and Rebuild

SBI (remove) + NAG (repair) for comprehensive gut health and overall gut balance.*

Applications

  • Individuals seeking dairy-free immunoglobulin support for gut health*
  • Those looking for intestinal barrier function and gut lining support*
  • Individuals wanting toxin and microbe clearance from the GI tract*
  • Those seeking GI comfort during dietary changes or stress*
  • Individuals preferring either powder or capsule delivery

Key Ingredients / Formula Highlights

Serum-Bovine Immunoglobulin Concentrate (ImmunoLin®)

Dairy-free IgG immunoglobulins for toxin binding and gut barrier support.

N-Acetyl-D-Glucosamine (1 g)

Gut lining and mucosal layer support*. Gluten-free, dairy-free, non-GMO. Powder and capsule formats.

Suggested Use

Powder: Mix 3.5 g (one scoop) in liquid per day. Capsules: Take 4 capsules per day.

Product Questions

How does IgGI Shield compare to GI Revive?

IgGI Shield uses SBI + NAG for remove-and-rebuild. GI Revive is a 15-in-1 formula with L-glutamine and soothing botanicals for intestinal permeability.* Complementary approaches.

Practitioner Reference

IgGI Shield™ is in the Gastrointestinal Health category. Available as IGGSHL (105 g powder) and IGGCAP (120 capsules). ImmunoLin® is a registered trademark.

Designs for Health

Terms & Conditions

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* 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.

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The Designs for Health Spotlight™ functional wellness tests are not diagnostic and are not eligible for coverage under Medicare, Medicaid, or medical insurance. DFH Spotlight testing must be ordered or authorized by a qualified health-care provider registered with DFH. Please reach out directly to your practitioner to express your interest in any of the Spotlight tests. Spotlight test kits are not available for purchase or shipping in New York or the U.S. territories.

††U.S.A. Functional Medicine MDs, DOs, NDs, DCs, and Nutrition Professionals surveyed in 2025 for Designs for Health.

¹Sawada D, Kawai T, Nishida K, Kuwano Y, Fujiwara S, Rokutan K. Daily intake of Lactobacillus gasseri CP2305 improves mental, physical, and sleep quality among Japanese medical students enrolled in a cadaver dissection course. J Funct Foods. 2017;31:188-197. doi:10.1016/j.jff.2017.01.042.

²Keystone commensal strains based on the HACK index. 8x comparison based on five keystone strains (up to 24% combined abundance) vs. single-strain Akkermansia  products (~3%). Percentages reflect typical abundance in healthy adult microbiomes per published research. Individual colonization varies.