FREE GUIDE: Download “The 5-Day Gut Reset Plan” – our most popular resource

Heal your gut. Reclaim your life.

Chronic bloating, SIBO, IBS, constipation, and food intolerances are all signs that your gut is struggling. You can’t be healthy with a unhappy gut. As a gut health nutritionist, Jake provides personalised, evidence‑based gut nutrition therapy that gets to the true root cause so you can fix your gut for life, not just manage symptoms.

5yrs

Clinical experience

5.0 Rating

From 140+ verified reviews

Specialist care for every gut condition

Jake works across the full spectrum of gut and digestive conditions, each with a dedicated, evidence-based nutrition approach.

Irritable Bowel Syndrome (IBS)

Personalised dietary therapy for IBS-C, IBS-D, and IBS-M: including low FODMAP guidance, gut-brain axis strategies, and lifestyle integration.

SIBO (Small Intestinal Bacterial Overgrowth)

Targeted nutrition protocols for hydrogen, methane, and hydrogen sulphide SIBO, working alongside your treating practitioner for full resolution.

Low FODMAP Diet

Expert-guided implementation of the 3-phase Monash University low FODMAP protocol: elimination, reintroduction, and personalisation without unnecessary long-term restriction.

Leaky Gut (Intestinal Permeability)

Repair the gut lining and reduce systemic inflammation with a targeted nutrition and supplement protocol: addressing the root driver behind many complex, multi-system symptoms.

IBD: Crohn’s & Colitis

Medical nutrition therapy to reduce flare frequency, support remission, correct nutritional deficiencies, and improve quality of life alongside your gastroenterologist.

Food Intolerances & Sensitivities

Systematic identification of food triggers, lactose, fructose, gluten sensitivity, histamine – with a management plan that broadens your diet over time, not narrows it.

Your gut is the foundation of everything.

The gut microbiome influences immune function, mental health, hormonal regulation, weight management, skin health, and energy: yet most people spend years managing symptoms rather than resolving the underlying cause.

Jake’s clinical approach starts with a thorough intake, current symptoms, health history, recent investigations, diet and lifestyle, and builds a plan specific to your gut, not a generic protocol pulled from the internet.

70%

Immune system lives in the gut

Most wait years for a proper clinical nutrition assessment.

1 in 5

Australians have IBS

This means IBS is one of the most common and disruptive gastrointestinal conditions affecting people of all ages.

95%

Serotonin is produced in the gut

The gut-brain axis directly shapes mood and cognition.

Signs your gut needs clinical nutrition support

Chronic bloating

Persistent fullness, distension, or gas, especially after eating

Erratic bowel habits

Alternating constipation and diarrhoea, urgency, or incomplete emptying

Unexplained fatigue

Low energy that sleep doesn’t fix, often linked to malabsorption or dysbiosis

Brain fog

Difficulty concentrating or mental clarity that fluctuates with meals

Abdominal pain & cramps

Recurrent discomfort or cramping that interferes with daily life

Skin flare-ups

Eczema, rosacea, or acne connected to gut permeability and inflammation

Growing food intolerances

Reacting to more and more foods, a classic sign of gut barrier breakdown

Low mood & anxiety

The gut-brain axis means digestive dysfunction often shows up emotionally

Experiencing more than two of these? Book a consult →

Gut health results that speak for themselves

Real clients, real gut health, real outcomes.

Gut health nutrition, done properly.

Every gut health client goes through a structured, clinical process: not a one-size-fits-all protocol.

01

Deep, full-body assessment

A thorough review of your full symptom history, health timeline, current investigations, medications, and diet. This is the foundation everything else is built on.

02

Root cause identification

Rather than managing symptoms, Jake looks for the actual driver, whether that’s dysbiosis, intestinal permeability, motility dysfunction, or a specific food-related trigger.

03

Personalised gut health nutrition plan

A structured eating plan tailored to your specific condition, lifestyle, food preferences, and budget, not a restrictive template, but a liveable clinical strategy.

04

Your goals are the engine of your results

Strategic short and long term goal development for your gut health. This gives you a clear roadmap for what to focus on now, what to build toward over time and how to create lasting change in the way your gut functions. It brings structure, clarity and direction to your entire healing process.

05

Ongoing monitoring & support

Regular reviews to track progress, reintroduce foods, and expand dietary freedom, the goal is always the broadest possible diet that keeps you well.

Jake Square

Jake Biggs

The 5 Day Gut Reset Plan

3,200+

downloads

Optimise your gut health today.

Download Jake’s most popular gut health free guide: a practical, science-backed reset for achieve optimal gut health. No fads, only what actually works.

No spam, ever. Unsubscribe any time. Your information is kept private.

Gut health nutrition questions, answered.

Can’t find what you’re looking for? Get in touch and we’ll help.

No, you don’t need a formal diagnosis to book. Many clients come in with unresolved symptoms and no clear label. 

Jake will conduct a thorough intake, review any existing investigations, and may recommend further testing where needed. A diagnosis helps, but it’s not required to get started.

Jake’s approach is different because a gastroenterologist focuses on diagnosing and treating disease, while Jake focuses on identifying the underlying nutritional and lifestyle drivers of your symptoms and creating a personalised gut health nutrition plan that restores gut function and daily comfort.

No. You will not be placed on a highly restricted diet for gut health. Jake’s clients gain more dietary freedom over time as their gut function improves, inflammation settles and tolerance to foods increases.

His approach focuses on rebuilding the gut, supporting digestion and restoring comfort rather than removing large food groups or creating unnecessary restriction.

Most clients begin noticing meaningful changes within the first few weeks. 

You can expect early improvements in digestion, comfort, bloating, bowel regularity and overall gut function as your plan begins correcting the underlying drivers of your symptoms.

The exact timeline depends on your physiology, symptom severity and consistency, but Jake will map out your personalised projections after your initial consultation so you know exactly what progress looks like for you.

Yes. Jake works seamlessly alongside your GP or gastroenterologist. 

Your GP provides overall medical oversight and your gastroenterologist manages diagnostic and medical aspects of gut health, while Jake focuses on the nutritional and functional drivers behind your symptoms. 

This collaborative approach ensures your medical care and nutrition strategy move in the same direction with complete clarity.

Stop managing gut symptoms. Start resolving them.

Jake combines world‑class experience as a gut health nutritionist with a truly global perspective. His work spans chronic bloating, SIBO, IBS, food intolerances and complex digestive dysfunction, allowing him to identify patterns and root causes that many practitioners overlook.

Every assessment is grounded in evidence, every recommendation is personalised and every strategy is designed to create long‑term, measurable change in the way your gut functions. This is the level of expertise clients seek when they want results that last.

Other ways Jake can help

Sports Nutrition

Peak performance sports nutrition plans for teenagers, youth athletes, and adults to reach optimal performance.

Clinical Nutrition

Personalised nutrition plans for gut health, eating disorders, osteoporosis, adrenal fatigue, and more.

Weight Loss

Sustainable weight loss nutrition plans to achieve your goal weight and keep it for the rest of your life.