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Functional Nutrition: Module 1 - Gut Health

‘Do you have the guts to be healthy?’

Health is a foundational prerequisite for optimal and sustainable functionality, physique and performance.

We have all heard of the statement that we have 10 times more bacterial cells than human cells however this fact has recently been proven wrong, we are still heavily out numbered with roughly 9 trillion more bacterial cells.

With no surprise they influence internal signals ranging from hormonal, inflammatory, neurological and structural dysfunctions.

The following topics will be covered:

• Poor eating habits/practices
• Food intolerances
• Sympathetic dominance
• Vagus nerve dysfunction
• HCl insufficiency
• Bile insufficiency
• Pancreatic enzyme insufficiency
• Subtypes of dysbiosis
• Parasites
• Mycotoxins
• Biofilms
• Down-regulated mucosa production
• Intestinal permeability
• Colon inflammation

Dates & Book


Functional Nutrition: Module 2 - Stress, Sleep & Neurotransmitters

Stress is often considered in a negative light, yet an optimal response is not only critical for our health but also essential for body composition and performance.

Stress is regularly pinned upon cortisol, yet contrary to belief cortisol actually acts almost as if it is our ‘anti’ stress hormone, whilst many other components are heavily overlooked – this cascade is known as the ‘hypothalamus- pituarity -adrenal axis’.

Issues can arrive from having too little or too much activation, or improper regulation at the right time.

Prolonged HPA activation can:

• Inhibit growth hormone
• Reduce IGF-1 sensitivity
• Decrease thyroid function
• Lower testosterone
• Hinder digestion
• Negatively impact appetite regulation
• Increase oestrogen
• Lead to mismanaged inflammation

The link between sleep and stress is bi-directional. Sleep is heavily undervalued whilst being an unavoidable aspect of life. This is where we should be capitalising on growth, repair and recovery yet the vast majority of the population accepts that their insufficient and inadequate quality of sleep is the ‘norm’ or willing sacrifice this for modern-day culture.

Whilst an appropriate stress response can yield positive adaptations on the body such as the initiation of catecholamines to reduce body fat or dopamine’s positive correlation with optimising performance.

Dates & Book


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Upper Body Hypertrophy & Physiological Prerequisites to Hypertrophy


Are you healthy enough to grow? Adding lean tissue requires a balanced internal environment physiologically, not just resistance training and calories.

To truly maximise your potential to add muscle, there are numerous physiological prerequisites to ensure maximal tissue gain, while enhancing recovery and offsetting adipose tissue accumulation and excess inflammation.

Topics covered by Jake and Koen Castelein include:

- Nutrient assimilation
- Maximising sleep
- Modulating stress
- Optimising pathways
- Programme & workout design
- Mastering & correcting execution

Dates & Book