Free 24hr tracked delivery over £30

Refer and Earn

The Science

Scientific Studies Supporting Gut Health and Its Impact

Consuming 30+ Different Plants Weekly Enhances Gut Microbiome Diversity

PMID: 29795809

PMC ID: PMC5954204

A study from the American Gut Project found that individuals who consumed more than 30 different plant types per week had significantly more diverse gut microbiomes compared to those who consumed 10 or fewer types. This increased diversity was associated with a reduction in certain antibiotic resistance genes and differences in fecal metabolites, indicating a healthier gut environment.

Development of the Gut Microbiome in Children and Lifetime Implications for Obesity and Allergic Disease

PMID: 30513964

PMC ID: PMC6306821

The study examines gut microbiome development and its effects on obesity and allergy risk. Early diet and antibiotic use significantly affect microbiome health and lifetime disease risk.

Gut Microbiota's Role in Mental Health

PMID: 40018491

PMC ID: PMC10384867

Research has demonstrated that dysbiosis in the gut microbiome is linked to mental health disorders such as depression and anxiety. Alterations in gut bacteria can influence neurotransmitter regulation, inflammation, and the stress response.

Gut Microbiota Composition Correlates with Sports Performance

PMID: 39598196

PMC ID: PMC11595618

A study examining competitive non-professional runners found that gut microbiota composition positively correlates with sports performance, suggesting that a healthy gut microbiome may enhance athletic abilities.

Early-Life Gut Microbiota and Long-Term Health Outcomes

PMID: 33557046

PMC ID: PMC7865818

This comprehensive review discusses how early gut microbiota influences immune system development and long-term health. Dysbiosis is linked with increased risk of asthma, obesity, and neurological disorders.

Impact of Early Life Nutrition on Children's Immune System and Gut Microbiota

PMID: 33669714

PMC ID: PMC8012492

This review explores how early nutrition affects gut microbiota and immune system development. Breastfeeding and diet quality can have lasting health impacts and reduce disease susceptibility.

Up to 90% of all disease can be traced back in some way to the gut and the microbiome

PMC ID: PMC6314516

The gut microbiome: Relationships with disease and opportunities for therapy.

70–80% of immune cells are found in the gut

PMC ID: PMC6314516

The gut microbiome: Relationships with disease and opportunities for therapy.

An analysis of gut bacteria can predict obesity with more than 90% accuracy

Predicting gut microbiota dynamics in obese individuals. Frontiers in Cellular and Infection Microbiology, 2025.

The gut produces about 90–95% of serotonin fundamental for mood regulation

Serotonin: What Is It, Function & Levels. Cleveland Clinic 2025.

Gut microbiome profoundly impacts gastrointestinal, metabolic, neurological, and immune-related diseases

The relationship between gut microbiome and human diseases: mechanisms, predisposing factors and potential intervention. Frontiers in Cellular and Infection Microbiology, 2025.

Dysbiosis associated with chronic diseases including metabolic, cardiovascular, neurological, GI, and immune

PMC ID: PMC6314516

The gut microbiome: Relationships with disease and opportunities for therapy.

For more comprehensive linked systematic reviews, see also: Systematic Review: The Gut Microbiome and Its Potential Clinical Application in Inflammatory Bowel Disease

PMC ID: PMC8147118

Table of Contents