Get Your Breath Back*
resB® was developed by leading pulmonologists based on over a decade of research. The clinically studied formula has been shown to support lung structure and function, in addition to digestive health and immunity.*
Natural & allergen free lung support supplement*
Developed by leading pulmonologists to support lung health and immunity*
Scientifically validated and clinically studied
Respiratory-specific Probiotic Blend
Respiratory-specific Probiotic Blend
Lactiplantiplantibacillus plantarum RSB11™
Lactobacillus acidophilus RSB12™
Lacticaseibacillus rhamnosus RSB13™
Anti-inflammatory Herbs*
Anti-inflammatory Herbs*
Vasaka (Adhatoda vasica) leaf extract
Holy Basil (Ocimum sanctum) leaf extract
Turmeric (Curcuma longa) root extract
How it Works
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Activate your Gut-Lung Axis,
so you can feel healthier and breathe easier.*
The probiotic bacteria in resB® have been known to produce specific short chain fatty acids that support digestive health directly and travel through systemic circulation to support respiratory health.*The Gut-Immune Connection
Did you know 70% of your immune cells live in your gut? The probiotic bacteria and botanicals in resB® have also been clinically studied for their immune supportive benefits.* -
What People are Saying
Asked & Answered
Find the most frequently asked questions below.
Anyone 18+ who wants to prioritize their gut, lung, and immune health!
While people often report gut health benefits as early as their first week, systemic benefits of probiotics can take longer.*
Some of our customers report breathing benefits within 6 days, others after 60. This variability can be attributed to a number of factors, including the importance of continuous daily use and the reality that some of us constantly think about our lungs while others breathe without much thought.
resB® Lung Support is precision blended in a cGMP environment and FDA-registered facilities, right here in the USA.
The formula is specifically processed for extended stability and longevity, rigorously tested for the most stringent quality, purity, and safety measures, and delivered through a temperature-controlled supply chain to ensure a research-backed CFU (Colony Forming Unit) count in every capsule, every time.
While there are no known contraindications with resB® Lung Support and any over-the-counter or prescription medications, we encourage you to check in with your prescribing physician before adding new products to your regimen.
Additionally, if you are taking an antibiotic, take resB® at least 1 to 2 hours before or after your antibiotic dose.
We stand behind our products and proudly offer a 30-day money-back guarantee on your first purchase. You can read more about our return policy here.
Standard shipping is always free at ResBiotic! You can also choose expedited shipping at checkout, for a small fee.