ProveIt Supplements

Independent, evidence-based supplement analysis.

✓ Not Sponsored

✓ No Paid Reviews

✓ Science-Based

Company

  • About Us
  • Our Methodology
  • Contact
  • Blog
  • Authors

Legal

  • Privacy Policy
  • Terms of Service
  • Medical Disclaimer
  • Affiliate Disclosure

Resources

  • All Categories
  • Ingredient Database
  • Browse Supplements
  • FAQ

© 2025 ProveIt Supplements. All rights reserved.

Medical Disclaimer: The information provided is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen.

Prove It
Browse SupplementsBlogAuthorsAboutMethodologyFAQ
Get Your Personalized Supplement StackSupplement Stack Quiz
Menu
HomeBrowse SupplementsBlogAuthorsAboutMethodologyFAQ
GUT

GUT

Core Nutritionals Lifeline

#Probiotics
73
Safety75
Efficacy70
Transparency80
Based on Examine, Wikipedia, and 23 other sources

Overview

Core Nutritionals Lifeline GUT supplement appears to be a comprehensive formulation aimed at supporting a healthy gut microbiome by combining pre-, pro-, and post-biotics. Key ingredients such as Tributyrin and Sunfiber are included at clinically studied levels. However, since the specific amounts of each probiotic strain in the blend are not disclosed, it is difficult to assess whether clinically relevant doses are provided.

The Good

Contains Tributyrin at a Clinically Studied Dose: Tributyrin is a post-biotic which acts as a readily absorbed source of butyric acid, supporting gut barrier function and reducing inflammation in the gut.

Includes Sunfiber Guar Fiber at an Effective Dosage: Sunfiber is a soluble fiber that promotes the growth of beneficial bacteria and improves bowel regularity.

Includes a Spectrum of Prebiotics, Probiotics, and Postbiotics: Utilizing pre-, pro-, and postbiotic ingredients may provide comprehensive support for overall gut health.

The Bad

Lack of Transparency Regarding Probiotic Blend: The specific amounts of each probiotic strain in the blend are not disclosed, making it difficult to assess whether clinically relevant doses are provided.

Digestive Enzyme Blend Dosage: At 150mg, it is uncertain if the amount of digestive enzymes will be adequate to significantly impact digestion for most users. The product does not specify activity units for each enzyme.

California Proposition 65 Warning: The product includes a warning about potential exposure to lead, which may deter some consumers.

Is it for you?

Best For: Individuals seeking digestive support, those with gut discomfort, athletes focused on overall health

Skip If: You have a compromised immune system or are on immunosuppressants without consulting a doctor.

Ingredients Analysis

Core Probiotic Blend

Bifidobacterium

Bifidobacterium Breve

Bifidobacterium Infantis

Bifidobacterium Bifidum

Bifidobacterium Longum

Bifidobacterium Animalis Lactis

Lactobacillus

Lactobacillus Acidophilus

Lactobacillus Plantarum

Lactobacillus Bulgaricus

Lactobacillus Casei

Lactobacillus Rhamnosus

Lactobacillus Brevis

Lactobacillus Gasseri

Lactobacillus Fermentum Extract

Lactobacillus Reuteri

Lactobacillus Paracasei

Lactobacillus Salivarius

Saccharomyces

Saccharomyces Boulardii

Tributyrin

1000 mg

Sunfiber Guar Fiber

1000 mg

Digestive Enzyme Blend

150 mg

Protease

Lactase

Amylase

Lipase

How to Use

Mix one scoop with water or your preferred beverage. Consume daily.

Frequency:

Daily

Best Time:

Anytime

When:

With or without food

Who Should Use This

Best For:

Individuals seeking digestive support, those with gut discomfort, athletes focused on overall health

Similar Products

Tributyrin 55% (as CoreBiome™) by MBG MaryRuth, LLC

Tributyrin 55% (as CoreBiome™)

MBG MaryRuth, LLC

Vetri-Science® Laboratories Healthymouth™ Natural Zeolites for Dogs & Cats Dental Health Supplement by Vetriscience®

Vetri-Science® Laboratories Healthymouth™ Natural Zeolites for Dogs & Cats Dental Health Supplement

Vetriscience®

COLLAGEN PRO Pasture Raised Peptides UNFLAVORED DIETARY SUPPLEMENT by GNARLY®

COLLAGEN PRO Pasture Raised Peptides UNFLAVORED DIETARY SUPPLEMENT

GNARLY®

tributyrin by QUORINTHIU MAX

tributyrin

QUORINTHIU MAX

Tributyrin Postbiotics With CoreBiome® by Peak Performance®

Tributyrin Postbiotics With CoreBiome®

Peak Performance®

TRIBUTYRIN 500 MG by DEVA®

TRIBUTYRIN 500 MG

DEVA®

Recommended Articles

Glutamine Dosage for Gut Health: A Guide

Glutamine Dosage for Gut Health: A Guide

Glutamine supports gut health with a recommended dosage of 5-30 grams per day, available in various supplement forms.

Bone Health Supplements for Plant-Based Postmenopausal Women

Bone Health Supplements for Plant-Based Postmenopausal Women

Optimal bone health for postmenopausal individuals on plant-based diets involves calcium, vitamin D, magnesium, and vitamin K2 supplementation.

Key Nutrients for Bone Health & Osteoporosis Prevention

Key Nutrients for Bone Health & Osteoporosis Prevention

Critical nutrients for bone health include dietary protein, calcium, vitamin D, omega-3 fatty acids, and vitamin K2, alongside healthy lifestyle choices.

Top Ingredients for Optimal Gut Health

Top Ingredients for Optimal Gut Health

Fiber, probiotics, prebiotics, hydration, and fermented foods are crucial for maintaining healthy digestion and gut function.