# resbiotic

> resbiotic is a physician-founded microbiome health company building clinically tested probiotics, prebiotics, postbiotics, and bioactive botanicals around its Gut-X Axis platform - the idea that the gut talks to the rest of the body. Its flagship resB Lung Support is positioned as the first clinically tested probiotic targeting the gut-lung axis for respiratory health. Founded in 2020 by physician-scientist Dr. C. Vivek Lal out of microbiome research at the University of Alabama at Birmingham, the company sells direct-to-consumer and through retail including Walmart and GNC, and has raised roughly $20.6M to date.

- **Founded:** 2020
- **Headquarters:** Birmingham, Alabama, United States (operations also in Dallas, Texas and Boston)
- **Founders:** Dr. C. Vivek Lal (Founder & CEO (physician-scientist, double board-certified, formerly Chief Scientific Officer))
- **Team size:** ~16 employees
- **Products:** resB Lung Support, resM GLP-1 Postbiotic, resG prebeet ENERGY, resW, resO
- **Notable:** Developed resB Lung Support, positioned as the first clinically tested probiotic targeting the gut-lung axis, Raised ~$20.6M total across 6 rounds, including an $8M Series A in 2025, Secured national retail distribution through Walmart and GNC

## Products & services

- **resB Lung Support** — Flagship product. Marketed as the first clinically tested probiotic targeting the gut-lung axis for respiratory health and the #1 physician-recommended lung health probiotic.
- **resM GLP-1 Postbiotic** — Postbiotic formula for metabolic health, weight management, curbing cravings, and blood sugar support.
- **resG prebeet ENERGY** — Beet-based prebiotic supporting clean energy and digestion.
- **resW** — Targeted formula for perimenopause and women's health symptoms.
- **resO** — Bone and joint support supplement.
- **Gut health testing** — At-home microbiome testing to personalize gut-health recommendations.
- **B2B ingredients & formulations** — Microbiome-based proprietary ingredients and formulations sold to other brands and manufacturers.

## Achievements

- Developed resB Lung Support, positioned as the first clinically tested probiotic targeting the gut-lung axis
- Raised ~$20.6M total across 6 rounds, including an $8M Series A in 2025
- Secured national retail distribution through Walmart and GNC
- Launched a B2B microbiome ingredients and formulations division
- Built the Gut-X Axis platform spanning respiratory, metabolic, women's, and bone health

## Latest updates

- **2025-09** — Closed $8M Series A (part of $14.5M raised) led by Sororibus Capital and Biostack Ventures to expand product portfolio, retail/ecommerce distribution, and the B2B ingredients business.
- **2025-11** — Featured in industry coverage on attracting funding in the microbiome supplement space.

## Links

- Website: https://resbiotic.com
- LinkedIn: http://www.linkedin.com/company/resbiotic
- Twitter/X: https://twitter.com/resbiotic
- YouTube: https://www.youtube.com/@resbiotic
- Instagram: https://www.instagram.com/resbiotic
- Facebook: https://facebook.com/resbiotic
- TikTok: https://www.tiktok.com/@resbiotic

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Profile page: https://yespress.io/resbiotic
Published by YesPress — https://yespress.io
Last updated: 2026-06-08