Trust Your Gut Again
We’re Essential Stacks, a gut health research company, that designs supplement formulas (we call them ‘stacks’) to help with your digestion, intestinal health & bowel movements.
Shop Now Compare ProductsMade Exclusively In The USA
From start to finish.
While most L-Glutamine is made in China, where quality standards can vary, Gut L-Glutamine is proudly made, packaged & tested right here in the USA from start to finish. Quality you can trust.
Meet Your Gut Health Superheroes
No more problem poos or other issues in the loo!
- All
- Bloating
- Constipation
- Diarrhea
- Leaky Gut
- Food Intolerances
- Maintenance

Banish Buddha Belly
Upgraded Betaine HCL
Betaine HCL, pepsin and ox bile help you digest protein and fat, so you don’t feel so bloated. While gentian and ginger further stimulate digestion.†
$26.95

Love your food
Pure Enzymes
These 18 digestive enzymes help you digest all the different meals you eat, so you feel good after eating. It makes mealtimes enjoyable! †
$26.95

Bulletproof your gut
Gut L-Glutamine
L-Glutamine helps build a smart & strong gut wall that decides what goes through and what stays out. It makes things tighter and stronger.†
$29.95

Fuel your gut
Gut Collagen
Collagen is like a superfood for your gut, as the amino acids fuel the gut lining and support digestion. Think of it like protein powder for your gut! †
$29.95

Pump up your probiotics
Friendly Prebiotics
Prebiotic fiber is like a superfood for your gut’s beneficial bacteria (a.k.a. probiotics). It makes them stronger and helps bowel movements! †
$24.95

50 Billion Good Guys
Smart Probiotic
This probiotic delivers 5-10x more beneficial bacteria than popular fermented foods & drinks. It supplies an army of good guys for your microbiome! †
$24.95

Insure your #2's
Pure S Boulardii
Saccharomyces boulardii helps with diarrhea, especially when eating out or travelling. It is like insurance for your #2s! †
$22.95
We Had Issues, Too!
We’re a team of dietitians, medical experts and researchers. But back in the day, we also struggled with bloating and unproductive #2's.
That’s why we embarked on a mission to not only conquer our own personal digestion struggles, but to help you achieve optimal gut health too.
Your Gut’s In Good Hands
Our team of RDs, MDs & researchers are obsessed with creating the digestive supplements your gut loves most.

Richelle Godwin BS, RDN
Registered Dietitian (RDN)

Dr. Joe Haines MD, MPH
Medical Doctor (MD)

Bailey Franzen MS, RDN
Registered Dietitian (RDN)
How Your Superheroes Work Together
From occasional bloating to constipation, they have your GI tract covered from top to bottom.

Bloating †
Constipation †
Diarrhea †
Leaky Gut †
Food Intolerances †
Gut Maintenance †
Contains No
Serving Size
Bottle Size
Price


Upgraded Betaine HCL

Pure Enzymes

Gut L-Glutamine

Gut Collagen

Friendly Prebiotics

Smart Probiotic

Pure S Boulardii
Bloating †
Constipation †
Diarrhea †
Leaky Gut †
Food Intolerances †
Gut Maintenance †
Contains No
* All supplements are free of gluten, dairy, soy, eggs,
shellfish, fish, nuts, peanuts, artificial colors, flavors and sweeteners
Serving Size
1 capsule
1 capsule
1 scoop
1 scoop
1 scoop
1 capsule
1 capsule
Bottle Size
120 Capsules
60 Capsules
10.6 oz / 300 g
10.6 oz / 300 g
7.4 oz / 210 g
30 Capsules
60 Capsules
Price
$26.95
$26.95
$29.95
$29.95
$24.95
$24.95
$22.95
Join The (Beautiful Bowel) Movement
#GloriousPoops

Loretta Small
Verified Buyer

“L glutamine and the other essential stacks products have been paramount to getting rid of four years worth of diarrhea with my special needs son.”

J Brimhall
Verified Buyer

“I have had some recent bloating and digestive issues lately due to the high dairy/meat diet of my fellow firefighters. Moved to a new station and almost every meal contained cheese. Dairy doesn't sit too well with me so I bought these as well as Essential Stacks Pure Glutamine. Within a few days I noticed a big difference with bloating and overall quality feeling of my poor intestines. Bought a second bottle.”

Donna Kilgore
Verified Buyer

“Down 30 lbs already, no more stomach pain, no more flare ups, no more bloat, no more feeling like everything I eat makes me sick, and finally truly REGULAR for the first time in my life -- without a handful of laxatives, stool softeners, and fiber supplements. I cannot THANK YOU enough for these products. ❤ Thank you thank you thank you!!!”
No Butt Pics, Just Gut Tips
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