When it’s off, everything is off. SecondKind restores balance for whole-body health.
If you’ve tried probiotics, cleanses, gut supplements, and still feel bloated, foggy, or off - you’re not alone.
of your
serotonin
of your
dopamine
74%
of your
immune system
Vegan
Clinically Tested Ingredients
Non-GMO
Clean Label
Third Party-Tested
Made in the U.S.A.
Gluten-Free
Discover why your gut is the hidden system shaping your mood, immunity, clarity, and energy - and why postbiotics are the key to feeling like yourself again.
Postbiotics are the real outcome you wanted in the first place.
See the Science
The fertilizer.
Fibers that feed bacteria, but rarely work if the right microbes aren't present.
The seed.
Live bacteria you try to add, but fragile, inconsistent, and often don’t survive digestion.
The harvest.
Trillions of beneficial compounds your body actually needs, ready to work, stable, fast, and effective.
Still tired, foggy, or bloated - despite doing all the right things? Your gut is your second brain, and when it’s off, everything feels harder. BiomeBalance™ uses clinically studied postbiotics - not fragile bacteria - to help you feel clearer, calmer, and lighter from the inside out.
No waiting. No guessing. Just results you can feel.
Digestion, debloat, and balance.
Clarity, calm, focus.
Strengthens defenses
where it matters.*
SecondKind isn't another probiotic. It's a Postbiotic. It's what comes after. The ready-to-use, already active nutrients your body actually uses. Fast-acting, shelf-stable, and clinically studied, they support mood, immunity, and digestion in a way pre and probiotics can't.
See How It WorksWe tried everything - probiotics, powders, endless fixes, but nothing worked. Then we discovered postbiotics: science-backed compounds your body actually uses to feel clear, calm, and balanced again.
— Remy, Founder & CEO
Discover Our Story
By centering its formulas around postbiotics, SecondKind is translating the latest gut-brain research into something accessible for consumers. It reflects a more modern, science-forward understanding of digestive health.
— Dr. Stuart Weinberger, MD, Gastroenterologist
Bereum, used in SecondKind’s Gut Balance and Mood Balance, promotes the production of SCFAs to optimize microbiome balance. This fundamental support strengthens physical health and helps manage stress, offering results you can actually feel. It's why I recommend SecondKind.
— Dr. Hyun Dong Shin, Ph.D., Independent Microbiologist & Postbiotic Expert
Gut health isn’t a niche topic anymore - it’s whole-body health, rooted in neuroscience and immunology. In clinical research, postbiotics are emerging as a direct, bioavailable way to influence gut health and systemic balance.
— Dr. Zachary Schwartz, MD, Family Medicine
As a holistic nutritionist, I’ve seen countless gut supplements offer fake promises and deliver nothing…. ineffective results. SecondKind stands apart because it’s postbiotic-first - finally, a solution that aligns with what the science tells us the body truly needs.
— Dr. Nancy Lin, PhD, Holistic Nutritionist
Feel it from the first bottle guarantee – 60-day money-back guarantee
