Water Fast Coaching and Articles

Dr. Tallis Barker, D.Phil., Nat.Dip., NA.Dip., Naturopathic Water Fasting Consultant & Coach

I’m continuously adding new videos that explore the many dimensions of water fasting—how it works, why it’s powerful, and what happens in the body during a fast. Each video dives into a specific topic, from the science behind fasting to the emotional and metabolic shifts it can trigger.

You’ll also find detailed insights into how different health conditions respond to water fasting, helping you better understand if and how fasting could support your personal healing journey. Whether you’re curious, preparing for a fast, or already experienced, these videos are designed to inform, empower, and inspire.

The Real Truth About Health Conference, 2025

Healing chronic illness with water fasting: the ultimate holistic journey

Dr. Tallis Barker explains how water fasting can profoundly heal chronic illness and promote holistic well-being. Learn about the transformative potential of fasting for physical recovery, emotional clarity, and spiritual rejuvenation.

The latest videos unpacking complex fasting topics—from SIBO and muscle loss to Tallis’s personal 30-day journey.

Close-up of a digital blood pressure monitor showing low readings, with a finger pressing the start button. Overlaid text asks: “How does fasting lower blood pressure?” – Dr. Tallis Barker, D.Phil., Nat.Dip. – www.waterfasting.org

How does fasting lower blood pressure?

This video explains how and why you can use water fasting to permanently reduce high blood pressure. Extra focus is given to getting off blood pressure meds.

Close-up of a muscular arm flexing in a red tank top with bold text asking “Does fasting cause muscle loss?” – Dr. Tallis Barker, D.Phil., Nat.Dip. – www.waterfasting.org

Does fasting cause muscle loss?

This video separates fact from fiction, relying on clinical observation and physiological knowledge – so you can reach your own conclusion.

Person clutching stomach in pain with a red overlay, asking “Can fasting heal SIBO?” – Dr. Tallis Barker, D.Phil., Nat.Dip. – www.waterfasting.org

Can fasting heal SIBO?

This video explores how water fasting can safely heal SIBO, focussing on the specific challenges involved and how to overcome them.

Bowl of kale with half an avocado and egg yolk, representing keto foods, next to bold text reading “Water Fasting vs. Ketogenic Diets” – Dr. Tallis Barker, D.Phil., Nat.Dip. – www.waterfasting.org

Ketosis: water fasting vs. ketogenic diets

This video explores why ketosis during a water fast is so different from that on a keto diet – with huge implications for detox and healing.

This video introduces my recent 30-day water fast: a deep experience of personal growth, healing and closure. The full article which accompanies it goes into much further detail about how a whole month of fasting actually felt.

The essential questions everyone asks—like “Is fasting safe?” or “Can I keep working?”—with grounded, expert insight.

Note: These videos are all accompanied by a full text article:

Green road signs pointing in opposite directions labeled “Safe” and “Risky,” with overlaid text asking “Is water fasting safe?” – Dr. Tallis Barker, D.Phil., Nat.Dip. – www.waterfasting.org

Is water fasting safe?

Many people are convinced that water fasting must be dangerous. This video takes a look at all the facts, so you can make up your own mind.

Stressed man at a desk with text overlay asking “Can I work during a water fast?” – Dr. Tallis Barker, D.Phil., Nat.Dip. – www.waterfasting.org

Can I work during a water fast?

This video addresses the potential problems of continuing your job as usual during a water fast, and covers (1) what to expect and (2) what to do about it.

Bearded man jogging outdoors with text overlay asking “Can I work out during a water fast?” – Dr. Tallis Barker, D.Phil., Nat.Dip. – www.waterfasting.org

Can I work out during a water fast?

A lot of people want to work out during a water fast. If you’re thinking about it too, watch this video first – before you damage your body in the process!

Person holding out loose jeans with a tape measure around their waist, with overlaid text asking “Should I fast to lose weight?” – Dr. Tallis Barker, D.Phil., Nat.Dip. – www.waterfasting.org

Should I fast to lose weight?

Unfortunately, fasting for weight loss often ends in failure – and sometimes even leads to weight gain afterwards. This video takes a look at the key issues for success.

Flat lay of colorful juice bottles, fresh fruits, and vegetables with overlaid text: “How are water and juice fasts different?” – Dr. Tallis Barker, D.Phil., Nat.Dip. – www.waterfasting.org

How are water and juice fasts different?

This video takes a look at how water fasts are different from juice fasts, and discusses the advantages and disadvantages of each.

Cracked, dry riverbed landscape symbolizing dehydration, with overlaid text asking “Water fasts or dry fasts: how are they different?” – Dr. Tallis Barker, D.Phil., Nat.Dip. – www.waterfasting.org

Water fasts vs dry fasts: how are they different?

Water fasts and dry fasts work differently on the body, so understanding the reasons why you’re fasting can help you to decide which kind of fast is best for you.

Close-up of water being poured into a glass outdoors, with overlaid text asking “Does healing continue after a water fast?” – Dr. Tallis Barker, D.Phil., Nat.Dip. – www.waterfasting.org

Does healing continue after a fast?

This video looks at the way that the healing initiated during a water fast can actually continue long after the fast ends.