My evenings have completely changed
I used to be useless after 7pm. Now I have energy into the evenings and actually enjoy time with my family rather than just surviving until bedtime. Stack has genuinely changed my quality of life.

DAILY DIGESTIVE & IMMUNE SUPPORT
30-day supply
Key Benefits
Supports daily digestive regularity
Promotes healthy gut microbiome balance
Supports immune function via gut-immune axis
Gentle daily-dose probiotic for maintenance
Wellness Goals
Recommended Dose
10 billion CFU
Take one capsule daily with or without food. For best results, take at the same time each day to establish a routine. If you're new to probiotics, your body may need a few days to adjust — this is normal.
Get your personalized dose3rd Party Tested
Doctor Formulated
cGMP Certified
The Details
Your gut is home to trillions of microorganisms that influence everything from how you digest food to how you fight off a cold. When that ecosystem gets thrown off — by stress, travel, antibiotics, or just a week of questionable food choices — things can go sideways fast.
A daily 10B probiotic acts like a steady deposit into your microbial savings account. It keeps the good guys well-represented so the less desirable strains don't take over. Research consistently shows that daily probiotic supplementation supports healthy digestion, regular bowel movements, and a more robust immune response.
Unlike mega-dose probiotics that can sometimes cause bloating or discomfort, this 10 billion CFU formula is calibrated for everyday use. It's the "just right" dose for maintaining balance without overdoing it.
Research
Key studies supporting 10B Probiotic, from peer-reviewed journals.
Probiotic supplementation improves cognitive function and mood with changes in gut microbiota in community-dwelling older adults: a randomized, double-blind, placebo-controlled, multicenter trial — 2021
Study titles are simplified for readability. Provided for informational purposes — not medical advice.
Transparency
Every batch is independently tested by ISO-17025 accredited labs for purity, potency, and contaminants.
Designed by healthcare professionals using evidence-based research and clinical expertise.
Manufactured in cGMP & UL certified, FDA-registered facilities with a flawless inspection record.
Important Information
Contraindications
As with any natural health product, consult your healthcare practitioner. Store in a cool, dry place. Keep out of reach of children. Discontinue use immediately if you experience an adverse event.
I used to be useless after 7pm. Now I have energy into the evenings and actually enjoy time with my family rather than just surviving until bedtime. Stack has genuinely changed my quality of life.
used to take like 5 different supplements every morning and always forgot at least two of them. now i take one stack pack and that's it. so much simpler. and the results are actually better. wild.
I calculated what I was spending on separate supplements, gym supplements, and energy drinks before Stack.
The packaging is some of the nicest I've seen in wellness. But beyond aesthetics, the product delivers. My energy throughout the day is more stable and I'm recovering faster from workouts. I was genuinely skeptical.
I suffer from low-grade chronic inflammation and it affects everything - energy, mood, joint comfort. Stack's personalized formula has noticeably reduced these symptoms over three months. The targeted approach is clearly more effective than generic options.
About six weeks in my husband said I seemed more like myself - more energy in the evenings, less irritable, sleeping better. I hadn't even consciously registered how much had changed until he said it.
Personalized for you
Take our 2-minute Health Assessment and let our AI build your personalized stack — every supplement chosen for your specific goals.
Take the Health AssessmentProduct images are for illustrative purposes and may not represent actual packaging.