resbiotic® Raises $14.5M to Accelerate Growth of Science-Backed Gut-X Axis Health Platform

BIRMINGHAM, Ala. and BOSTON and DALLAS, Sept. 12, 2025 /PRNewswire/ -- Resbiotic Nutrition, Inc., a physician-scientist founded health and wellness company, today announced it has raised a total of $14.5 million, including a recently concluded $8 million Series A round supported by major shareholders Sororibus Capital and Biostack Ventures. The new funding will be used to expand the company's product portfolio, scale retail and ecommerce distribution, and strengthen its B2B ingredient and formulations business.

resbiotic^® is pioneering the Gut-X Axis, a science-driven platform that connects gut health to whole-body outcomes across multiple systems, to address chronic health struggles. The company's flagship product, resB® Lung Support, is the first clinically tested probiotic targeting the gut–lung axis for respiratory health. Building on this foundation, resbiotic^® is now extending its platform into metabolic health, women's health, and bone health, addressing some of the most pressing consumer chronic struggles with clinically validated solutions.

"With res, we are setting a new standard in the supplement industry - products that are not only rooted in rigorous science but also accessible to people everywhere," said Dr. C. Vivek Lal, Founder and CEO. "By combining robust preclinical testing and clinical trials at the product level with a vertically integrated R&D model, we ensure our formulations deliver real, measurable benefits. This funding enables us to expand our Gut-X Axis portfolio, deepen our retail partnerships, and meet growing consumer demand for evidence-based health solutions."

Alongside its consumer offerings, res's B2B division is experiencing growth, driven by demand for its proprietary formulations and novel microbiome-based ingredients. This business arm complements the company's consumer reach, creating new pathways for industry collaboration and innovation.

res products are now available through Walmart stores nationwide, and the company's direct-to-consumer ecommerce platform, reflecting its mission to make clinically validated microbiome health products both affordable and widely accessible.

For more information about resbiotic^® and its supplement offerings, visit www.resbiotic.com.

Resbiotic Nutrition, Inc. ("resbiotic^®" or "res") Founded by physician-scientist-entrepreneur Dr. C. Vivek Lal, resbiotic is bringing physician-formulated dietary supplements to global consumers, harnessing the power of prebiotics, probiotics, postbiotics, and bioactive botanicals to conquer chronic struggles and promote proactive wellness. Emerging from the halls of academia, the company is built on a foundation of scientific integrity and translational research, with a leadership team that unites world-class scientists and proven industry operators to deliver evidence-based innovations in consumer health. Its flagship microbiome formulas are developed with rigorous scientific research to deliver health benefits across various body systems via the Gut-X Axis.

Media contact: info@resbiotic.com 

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SOURCE Resbiotic Nutrition, Inc.