Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Immunoglobulin G (IgG) is a type of antibody that plays a critical role in immune defense, particularly in neutralizing pathogens and toxins. Orally-administered IgG, often derived from bovine serum or colostrum, is used in some dietary supplements aimed at supporting gut health, including the small intestine. Scientific studies, particularly those involving bovine immunoglobulins, suggest that supplemental IgG can bind to microbial antigens and toxins in the gut lumen, thereby preventing their attachment to the intestinal mucosa and supporting mucosal immunity. Some clinical evidence indicates that serum-derived bovine immunoglobulin (SBI) may help manage symptoms in patients with irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD), likely through modulation of gut barrier function and immune responses. However, the evidence base is still emerging, and most studies are small or of moderate quality, leading to a moderate evidence rating of 3. There is growing support from randomized controlled trials and mechanistic studies, but more large-scale, high-quality research is needed to confirm long-term safety and efficacy. Thus, while there is a scientific rationale and preliminary evidence for the use of IgG to support small intestine health, particularly in the context of gut barrier integrity and immune modulation, claims should be tempered pending further research.

More about Immunoglobulin G
More about Small Intestines

Other ingredients that support Small Intestines

2'-Fucosyllactose
aloe vera
alpha-galactosidase
amino acids
amylase
amylopectin
asparagus
bacillus clausii
bacillus coagulans
bacillus subtilis
bayberry
berberine
bifidobacterium bifidum
bifidobacterium breve
bifidobacterium infantis
bifidobacterium lactis
bifidobacterium longum
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brussel sprouts
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caprylic acid
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colostrum
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endo-peptidase
exo-peptidase
fennel
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fiber blend (proprietary)
flavonols
flaxseed
folate
fructooligosaccharides (FOS)
fungal protease
ginger
green banana
green tea
gurmar
cellulose
immunoglobin G
inulin
isomalto-oligosaccharide
kale
l-5-methyltetrahydrofolate glucosamine salt (5-MTHF)
l-alanyl-l-glutamine
l-glutamine
lactase
lactobacillus acidophilus
lactobacillus brevis
lactobacillus bulgaricus
lactobacillus casei
lactobacillus fermentum
lactobacillus gasseri
lactobacillus helveticus
lactobacillus paracasei
lactiplantibacillus plantarum
lactobacillus reuteri
lactobacillus rhamnosus
lactobacillus salivarius
lactococcus lactis
lactoferrin
lemon
lipase
magnesium
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medium chain triglycerides (MCT)
microbial enzymes (proprietary)
n-acetyl-glucosamine
okra
ox bile
pancreatin
parsley
pear
peptidase (DPPIV)
phellodendron amurense
phenolic acids
phospholipids
phytase
potato starch
prebiotic blend (proprietary)
prolyl endopeptidase (PEP)
protease
protein
butyric acid
pumpkin
saccharomyces boulardii
sardines
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starch
streptococcus thermophilus
sucrase
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vitamin A
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seaweed
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Bacillus licheniformis
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Bacteria
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bile acid
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Boerhavia diffusa
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Centella triterpenes
Curry leaf
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Other body systems supported by Immunoglobulin G

Digestive System
Gastrointestinal Tract
Immune System
Intestinal System
Peyer’s patches
Small Intestines

Products containing Immunoglobulin G

We currently have no products on Vitabase that contain this ingredient.