A Food-and-Gut-Health Approach to Understanding Nail Fungus

A plain-English ebook explaining how nail fungus, the immune system and gut health are connected, with flexible everyday food guidance.

Nail fungus, known medically as onychomycosis, is a common condition in which a fungal infection affects the nail and the skin beneath it. It most often involves the toenails. Affected nails can become discoloured, thickened or brittle, and the condition tends to be slow-moving and long-lasting.

Many people come into contact with the fungi involved, yet only some develop a nail infection. Factors that are commonly discussed include age, circulation, foot care and footwear, damp environments, other health conditions and the strength of the body's own defences. That is why a healthcare provider's guidance on nail fungus usually covers both the nail itself and the wider picture of a person's health and habits.

Everyday habits are part of that wider picture. General foot-care advice, for example, often mentions keeping feet clean and dry, changing socks regularly, wearing shoes that let the feet breathe and not sharing towels or nail tools. Interest has also grown in how diet and the bacteria of the gut relate to the immune system as a whole, an area of active and still-developing research.

Overcoming Onychomycosis is a digital ebook by Julissa Clay, a natural-health author with Blue Heron Health News. It explains, in plain language, how the body's immune system is involved in nail fungus, and why the bacteria that live in the gut are thought to play a part in how well the immune system works.

The book then turns that background into practical food guidance. It looks at foods and ingredients the book suggests eating less of, foods it suggests eating more of to support healthy gut bacteria, and simple ways to put those choices into practice. It is not a calorie-counting diet and it has no portion control or rigid meal plans; it is a set of basic food principles built around common supermarket foods.

The program is a digital book (PDF), which you can read online or download. After ordering, you can also choose to add a printed copy for the cost of printing only.

What's inside the program

Understanding nail fungus

• What onychomycosis is and how it tends to behave over time
• Why many people are exposed to the fungi involved but only some develop a nail infection
• How the immune system is involved, explained in everyday language
• A plain-English look at how nail fungus is usually managed

The gut and the immune system

• An introduction to the trillions of bacteria that live in the gut and the work they do
• How gut bacteria help with digestion, vitamin production and the training of the immune system
• Why the book puts gut health at the centre of its approach

Food choices

• The foods and ingredients the book suggests reducing, cutting out or replacing with alternatives
• A long list of everyday foods the book recommends for supporting healthy gut bacteria
• Guidance on choosing, buying and preparing meat
• The additives and preservatives the book suggests avoiding, so they are easier to spot on labels

Practical tips

• Simple, everyday strategies for looking after gut health
• How to keep enjoying favourite foods while making changes
• Ways to adapt the guidance to your own tastes and routine

How the program is organised

The book moves from understanding to action.

Background. It begins by explaining nail fungus, the immune system and the role of gut bacteria. This part is also useful as a reference to come back to.

The food principles. It then sets out the core guidance: which foods and ingredients to reduce or replace, which to eat more of, how to approach meat, and which additives and preservatives to look out for.

Putting it into practice. Finally, it offers simple tips for everyday gut health. The program is flexible about pace: you can start slowly and build up over time, or adopt all of the principles from the beginning. It is designed to be followed most of the time, as a way of eating, rather than as a short-term regime.

Because the guidance is a set of principles rather than a set menu, it can be worked around family meals, eating out and personal food preferences. The background sections can be read in one sitting or dipped into as questions come up.

Who this program is for

✓ Adults who want a clear, plain-English explanation of nail fungus and how it develops

✓ People interested in the connection between gut health, the immune system and overall wellbeing

✓ Anyone looking for simple food principles rather than a strict diet or calorie counting

✓ People who like to understand the reasoning behind a routine before they start it

✓ Those who want to make informed lifestyle choices alongside the care they already receive from their doctor

This is not for: anyone looking to replace medical care, or to stop or change prescribed medication or treatment. It is also not for anyone expecting fast results; nails grow slowly and the program is about learning and steady daily habits. It is meant to be used alongside professional care, and any nail or foot problem that is painful, spreading or changing should be checked by a healthcare provider.

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60-day money-back guarantee

If the program is not right for you, contact us within 60 days of your purchase and we will refund your order in full. There is nothing to return.

Important disclaimer

This program is educational. It is not medical treatment and is not a replacement for professional medical care. If you have nail or foot health concerns, talk to a qualified healthcare provider. It is not intended to diagnose, treat, cure, or prevent any disease, and it has not been evaluated by the U.S. Food and Drug Administration. Individual results vary. Keep working with your healthcare provider and never stop or change prescribed medication or treatment without their guidance.

Study resources

• Lipner S.R., Scher R.K. (2019) Journal of the American Academy of Dermatology — "Onychomycosis: Clinical overview and diagnosis": a review of how nail fungus presents and is identified. PubMed
• Gupta A.K., Versteeg S.G., Shear N.H. (2017) Journal of Cutaneous Medicine and Surgery — An update on the diagnosis, epidemiology and management of onychomycosis. PubMed
• Tosti A. et al. (2005) Journal of the European Academy of Dermatology and Venereology — Looked at the risk factors for onychomycosis and approaches to prevention. PubMed
• Halteh P., Scher R.K., Lipner S.R. (2016) Cutis — Review of the evidence on over-the-counter and natural approaches to onychomycosis. PubMed
• Belkaid Y., Hand T.W. (2014) Cell — "Role of the microbiota in immunity and inflammation": a review of how resident bacteria shape the immune system. PubMed
• David L.A. et al. (2014) Nature — Showed that changes in diet can quickly alter the make-up of the human gut microbiome. PubMed
• Whelan K. et al. (2024) Nature Reviews Gastroenterology & Hepatology — Review of ultra-processed foods and food additives in relation to gut health. PubMed