




Advanced Gut Health Formula – Backed by Science








Intestinal Fortitude provides top quality supplements. I have seen profound results in my clients when using their various formulas. They are thoughtfully created and do fantastic things to heal the gut. I was thrilled to discover Intestinal Fortitude and will be using their products forever!
Emily D., Functional Nutritional Therapist












Pure & Clean Formula
Decades of Science in Every Capsule





the Intestinal Fortitude 180-Day Healthier You Guarantee.

Yes, all Intestinal Fortitude supplements are formulated for safe daily use when taken as directed.
No refrigeration is needed—our probiotics use shelf-stable, delayed-release capsules.
While results vary from person to person, many users notice improvements within two to four weeks of consistent daily use. Some report feeling better even sooner, depending on their individual gut health and inflammation levels.
Yes, our products are designed to work synergistically, but consult your healthcare provider if unsure.
Our formulas are non-GMO, gluten-free, dairy-free, and free from common allergens.

Megan
Gastrointestinal Genius
"I love it so much that when my sisters told me they wanted health for Christmas I knew exactly what to get them"

Andrew
Great company, great product!
"Considering they are specially designed for these types of conditions, the convenience and the super affordable price point, it’s hard to deny the value here."

Angie
LOVE IT!
“Do not have enough words to tell you how happy and thankful I am with these products. Intestinal Fortitude es lo mejor del mundo mundial! 💙"
The Trifecta
REDUCE the inflammation in your Gut with AI-5. REPAIR the lining of your gastrointestinal tract with GLR-6. REBUILD by providing your enterocytes the fuel that they need to regenerate.
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Frequently Asked Questions
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