LifeSource Vitamins Colostrum — 500 mg — 60 Capsules
Our Colostrum 500 mg combines premium bovine colostrum, naturally rich in immunoglobulins (IgG), lactoferrin, and proline-rich polypeptides (PRPs) in capsules to support immune defenses, promote gut barrier integrity, support mucosal comfort, promote overall resilience, help maintain digestive balance, support healthy recovery, promote microbial diversity, and support whole-body wellness* — while respecting traditional use. Ethically sourced from pasture-raised cows. Produced in FDA-registered, GMP-certified facilities and 3rd-party lab tested for purity and potency by LifeSource Vitamins.
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits
✓ Supports immune defense* — Bovine colostrum reduced incidence and duration of upper-respiratory infections in active adults.* NIH/PubMed — Brinkworth GD, 2003
✓ Promotes gut barrier integrity under exercise stress* — Colostrum decreased exercise-induced intestinal permeability in human trials.* NIH/PubMed — Marchbank T, 2011
✓ Supports gut mucosal protection from NSAID injury* — Colostrum reduced aspirin-induced increases in intestinal permeability.* NIH/PubMed — Playford RJ, 2001
✓ Promotes mucosal immunity (sIgA)* — Increased salivary IgA and fewer respiratory symptom days in training populations.* NIH/PubMed — Crooks C, 2006
✓ Supports reduced exercise-induced gut permeability* — Academic trials show colostrum benefits under exertional stress.* NIH/PMC — Marchbank T, 2017
✓ Promotes traveler’s diarrhea prevention in ETEC contexts* — Hyperimmune bovine colostrum reported lower risk during travel in trials.* NIH/PMC — Plettenberg A, 2011
✓ Supports adjunct gut-barrier enhancement* — In combination with zinc-carnosine, colostrum enhanced barrier integrity in studies.* NIH/PubMed — Playford RJ, 2016
✓ Promotes microbiome balance and gut health* — Reviews note prebiotic and immunologic effects of colostrum.* NIH/PMC — Bagwe S, 2021
✓ Supports athletic recovery and reduced illness risk* — Narrative reviews cover GI markers and URTI risk in training populations.* NIH/PMC — Jones AW, 2021
✓ Promotes lower gut injury biomarkers during exertion* — Colostrum linked to reduced I-FABP in studies.* NIH/PMC — Davison G, 2018
Additional / Promising Evidence
✓ Supports lactoferrin immune and antiviral modulation* — Reviews summarize broad actions for respiratory and gut health.* NIH/PMC — Berlutti F, 2011
✓ Promotes gut barrier enhancement with lactoferrin* — Evidence supports intestinal integrity and microbiome balance.* NIH/PMC — Vega-Bautista A, 2019
✓ Supports demulcent mucosal soothing effects* — Evaluations describe benefits for irritated membranes in traditional use.* NIH/PMC — Pecoraro A, 2024
✓ Promotes microbiome and gut health signals* — Reviews note prebiotic-like effects of colostrum components.* NIH/PMC — Bagwe S, 2021
✓ Supports recovery during training stress* — Narrative overviews cover GI and immune markers in athletes.* NIH/PMC — Jones AW, 2021
✓ Promotes gut integrity under various stressors* — Trials show support for permeability reduction in different contexts.* NIH/PubMed — Davison G, 2022
University-Led & Academic Studies
✓ Supports exercise-induced gut permeability reduction* — Academic groups report colostrum benefits under exertional stress.* NIH/PMC — Marchbank T, 2017
✓ Promotes mucosal immunity in athletes* — Controlled studies show increases in salivary IgA and fewer respiratory symptom days.* NIH/PubMed — Crooks C, 2006
✓ Supports gut barrier and immune modulation research* — University-linked reviews detail colostrum and lactoferrin mechanisms in intestinal health.* NIH/PMC — Conesa C, 2023
Global Evidence & Reviews
✓ Supports lactoferrin immune and antiviral overview* — NIH-indexed reviews summarize broad actions for respiratory and gut health.* NIH/PMC — Berlutti F, 2011
✓ Promotes colostrum and gut barrier systematic review evidence* — NIH-indexed synthesis supports reduced permeability in athletes.* NIH/PubMed — Davison G, 2022
✓ Supports exercise, illness risk, and mucosal immunity reviews* — NIH-indexed overviews cover GI markers and URTIs in training populations.* NIH/PMC — Jones AW, 2021
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients
- Bovine Colostrum — Provides IgG, PRPs & lactoferrin naturally; supports immune defense and gut barrier.*
Brief Benefit Bullets
- Boosts immune defenses*
- Supports gut barrier integrity & comfort*
- Aids resilience during training & occasional GI stress*
- Helps maintain microbial balance*
- Rich in IgG, PRPs & lactoferrin*
- Ethically sourced, non-GMO bovine colostrum*
- Supports whole-body wellness*
-
3rd-party lab tested for purity & potency*
Suggested Use
Take 1 capsule 1 to 3 times daily, preferably with meals, or as directed by a healthcare professional. Do not exceed recommended dose. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
Product Specifications
Serving Size — 1 capsule
Servings Per Container — 60
Active Ingredients — Bovine Colostrum 500 mg (30% Immunoglobulin G)
Other Ingredients — Gelatin (bovine), vegetable magnesium stearate, silica
Free From — Non-GMO, gluten-free, soy-free; contains milk-derived ingredients*
Quality — Third-party tested for identity, potency & purity
Every LifeSource Vitamins product is 3rd-party lab tested for purity, potency, and label accuracy — because you deserve transparency and trust in every capsule.
LifeSource Vitamins — Proudly American — Since 1992
*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.
LifeSource Vitamins Colostrum 500 mg — supports immune defenses & gut barrier integrity; non-GMO, ethically sourced, 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
