Microbiome Restoration
Rebuilding a depleted or disordered microbiome with targeted strains, prebiotic substrate and sequencing informed decisions rather than broad spectrum guesswork.
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Peptide University Faculty
PharmD
Faculty, Gut Health and Peptide Therapy
Peptide University
Founder
The Gut Institute
AFMCP trained practitioner
Institute for Functional Medicine
Biography
Dr. Grace Liu, PharmD, is a clinical pharmacist and IFM trained functional medicine practitioner (AFMCP) who founded The Gut Institute, an education and formulation practice focused entirely on the gut microbiome. She is widely known in the functional and ancestral health community as The Gut Goddess.
Her clinical work centers on rebuilding the microbiome using functional lab testing, nutrigenomic tools, resistant starch and targeted probiotics. In her own words the goal is reversing modern gut dysbiosis and disease, rather than managing symptoms one prescription at a time. The Gut Institute states its motto simply: bugs over drugs.
The conditions she works with are the ones that rarely resolve with a single intervention: SIBO, dysbiosis, food reactivity, acne and skin disorders, autoimmunity, mold illness, co-infections and persistent brain fog. Her consulting clientele has included athletes and coaches from the paleo and combat sports world, among them Robb Wolf, Kyle Kingsbury, Noad Lahat and Miriam Nakamoto.
She is a frequent conference speaker and podcast guest, with appearances at Paleo f(x) and LowCarbUSA and on Bulletproof Radio, The Paleo Solution, Rational Wellness, Endurance Planet and Biohacker Babes. In 2018 she published a practitioner facing guide, 7 Steps To Heal SIBO. Her long running writing includes the Animal Pharm blog and, more recently, gutgoddess.blog.
Her bridge to peptide medicine is direct. The Gut Institute publishes a program titled Beyond Probiotics: The Emerging Science of Peptides and the Gut Microbiome, which examines how peptide signalling and the microbiome intersect. That intersection is exactly where her teaching contribution at Peptide University sits: gut terrain as a precondition for peptide response.

Her clinical work centers on rebuilding the microbiome rather than managing symptoms one prescription at a time.
Focus
Clinical education built for practitioners in practice.
Faculty
Dr. Grace Liu teaches gut health and peptide therapy at Peptide University, connecting microbiome testing to the peptide protocols practitioners use for barrier repair and GI recovery.
Her teaching covers the sequence most clinicians get wrong: interpreting stool and organic-acid testing first, then selecting peptides, dosing them for gut-lining and immune support, and re-testing to confirm the response.
Practitioners train with Dr. Liu through Peptide University's live clinical classes and Inner Circle membership, alongside the Clinical Peptide Therapy Certification curriculum.
Train with Peptide University
Qualifications
PharmD
Doctor of Pharmacy
AFMCP
Applied Functional Medicine in Clinical Practice, Institute for Functional Medicine
Training
Doctorate
Clinical pharmacy
Practicing clinical pharmacist for two decades.
Functional medicine
Institute for Functional Medicine
Teaching
Rebuilding a depleted or disordered microbiome with targeted strains, prebiotic substrate and sequencing informed decisions rather than broad spectrum guesswork.
Assessing small intestinal bacterial overgrowth and dysbiosis, then staging treatment so motility, terrain and reinoculation are addressed in the right order.
Using resistant starch, fermentable fibre and food based strategy to feed the strains a patient actually needs, with tolerance built gradually.
Reading stool, organic acid and genomic data together so the protocol matches the patient's biology rather than a generic gut healing template.
Functional stool, breath and nutrigenomic testing sit underneath every protocol she teaches.
Practice
Faculty, Gut Health and Peptide Therapy
Dr. Liu teaches gut-focused peptide protocols at Peptide University, showing practitioners how microbiome and organic-acid testing guide peptide selection, dosing, and barrier repair sequencing.
Visit Peptide UniversityFounder
Her education and formulation practice, publishing microbiome protocols, practitioner programs and the Beyond Probiotics peptide and microbiome series.
Visit The Gut InstituteAuthorship
Simple Strategies and Exercises to Understand SIBO, Restore Energy, Beat Belly Fat and Eliminate Brain Fog
Author
2018. A short practitioner and patient facing guide to small intestinal bacterial overgrowth, approximately 90 pages.
Stage
Paleo f(x)
Speaker
Paleo f(x) detailsLowCarbUSA 2019
KSFR Public Radio
Appearances
Questions
She is a clinical pharmacist (PharmD) and IFM trained functional medicine practitioner who founded The Gut Institute, an education and formulation practice focused on the gut microbiome.
She holds a Doctor of Pharmacy degree and completed Applied Functional Medicine in Clinical Practice (AFMCP) with the Institute for Functional Medicine.
No. Her doctorate is a Doctor of Pharmacy. No PhD appears in any verified public record, so Peptide University does not list one.
It is the long standing name she uses for her gut microbiome education work, carried across her blog, social channels and radio appearances.
Gut microbiome restoration, SIBO, resistant starch and probiotics, functional lab testing and nutrigenomics, and complex chronic case management.
Her education and supplement practice, operating online as iApothecary at TheGutInstitute.com, where she publishes protocols and practitioner programs.
Yes. She published 7 Steps To Heal SIBO in 2018.
The Gut Institute publishes Beyond Probiotics: The Emerging Science of Peptides and the Gut Microbiome, linking her microbiome work directly to peptide science.
At functional and ancestral health conferences including Paleo f(x) and LowCarbUSA, and on podcasts such as Bulletproof Radio and The Paleo Solution.
Yes. She is part of the Peptide University adjunct faculty and clinical advisory team.
Clinical peptide education for licensed practitioners, taught by the faculty shaping how peptides are prescribed in practice.
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