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Intestinal Fortitude
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Home / Reviews

Let customers speak for us

from 451 reviews
Happy Gut

Forget omeprozole - L -glutamine works wonders. My reflux is under control with no side effects. Love it❤️

Denise Goldstein
03/28/2025
L-Glutamine Powder - 500 Grams
L-Glutamine Powder - 500 Grams
Very good products and great service

I’ve been using these products for more than six months now due to Celiac related leaky gut issues that have caused problems with nutrient absorption. I seem to be doing much better.

Linda Tegtmeier
03/27/2025
Combo Pack
Combo Pack
GLR

"It is a very good product; it has helped me a lot. My stomach pain has reduced significantly. I no longer feel pain at night. I can say that by the time I finish the dose, I will be completely healed. It is a very good supplement!"

Moses Ally's
03/22/2025
GLR-6
GLR-6

Good product, totally recommended !!

F.F.R.
03/12/2025
GLR-6
GLR-6
Ridiculous Energy

I have sooo much energy when I take one capsule of colostrum in the morning. I cannot take this every day. Maybe I’d get used to it, but I kind of don’t want to. It’s really great for those days that I want to ski really hard or I have to be super mom for the day. I’ll take it hiking and backpacking with me this summer. I haven’t noticed any effect other than the super energy. But if energy is what you’re looking for this is the stuff.

Catherine Gall
03/03/2025
Colostrum
Colostrum
Pro-B11

I have had problems with my colon and my Gastroenterologist recommended this because of its strength.
I have been very happy with the results. Now my lady partner and her son also take it.

Kenneth Rosen Rosen
02/15/2025
Pro-B11
Pro-B11
helps with gut mircobiome

I had a GI map that showed one of my keystone bacteria species (Faecalibacterium prausnitzii) was too low to detect. After consistent use of prebiotic gold, I have since tested in a normal range. This is the exact suppliement to boost that particular strain. Gut health is everything and as I've gotten older I've had to pay a lot closer attention to my diet and supplements. This is good stuff!!

Cheryl Stewart
02/03/2025
PREbiotic GOLD
PREbiotic GOLD
Great for managing IBS

I have both IBS and IBD (UC) and I've struggled to manage IBS while on remission of IBD. The GLR-6 has been great to manage the IBS, I've been able to eat things that previously I couldn't (on small amounts), and when I eat something that my bowels don't like, I recover much faster, just a few days instead of several weeks. Please note that I'm also taking the Phage-1, which is supposed to keep the bad bacteria under control, so I can't tell exactly which is doing more, but I've definitely felt better a few weeks after I started taking both daily.

Oscar Vasquez
01/14/2025
GLR-6
GLR-6
Phage 1 is Fabulous

I have found Phage 1 to be especially effective when strep throat is going around. It has really helped me stay healthy and fight off various seasonal illnesses.

Emily Davis
12/12/2024
Phage-1
Phage-1
Phage-1

I have been using golden kiwi prebiotics and phage-1 for about a year. These supplements make a huge difference in how my stomach feels,, I shared it with my daughter and she also is very happy with the supplements. Delivery to Canada takes 2 to 3 weeks and we have to pay import duties but the product definitely worth it

irina d'odorico
10/01/2024
Phage-1
Phage-1
Gives me hope

I've struggled with chronic gastritis for three years and have been relying on the maximum dose of PPIs you can take. Even with those, I was still in constant pain.

A month ago, I completely stopped PPIs and began Intestinal Fortitude's "Reduce, Repair, Rebuild" bundle. I didn't have much hope that it would work, but I was wrong. In tandem with the supplements, I went to a strict, non-inflammatory diet (mostly fresh vegetable juice multiple times throughout the day day and sweet potatoes + baked fish + rice in the evenings).

The pain has mostly stopped. And if I feel it coming on, I take additional GRL-6 supplements. It's a game-changer and I finally have some hope that round after round of specialists couldn't give me. So grateful. I don't think the supplements are necessarily a cure-all. In my case, I had to cut out bad habits to let the supplements do their work. Either way, I am incredibly grateful.

Ryan OROURKE
09/24/2024
Reduce, Repair, Rebuild
Reduce, Repair, Rebuild
Great Product

These products are working to give me great gut and intestinal health. Very satisfied and know I am taking a high quality product.

Nancy Bailey
09/08/2024
PREbiotic GOLD
PREbiotic GOLD
Works great

Would recommend

Ryan Williams
08/16/2024
GLR-6
GLR-6
GLR 6

I was taking 2 tablets for a couple of months and not noticing any difference so I called and talked to Will and he said to up it to 3 so that is when I ordered 2 more bottles but I came down with Covid and was pretty sick for over 2 weeks so I just started taking the product again I take a lot of supplements and when I got sick I stopped everything except my prescription pills. So I will let Will know in about a month how I am doing with the 3 tablets a day thanks Jan

Jan Schwarz
08/08/2024
GLR-6
GLR-6

Super fast shipping and can’t wait to try this product . Highly recommend

D.D.
06/16/2024
GLR-6
GLR-6

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Founded by Will in 2012, Intestinal Fortitude emerged from a personal health battle. We're all about genuine health solutions, not just band-aids. Join our journey!

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