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Strong Evidence

Practical Nutrition Framework

Evidence-based practical strategies for blood sugar stability, hydration, and realistic food goals that work in real family life.

Blood sugar stability

Blood sugar fluctuations affect concentration, mood, energy, and behaviour. Stable blood sugar throughout the day is one of the most practical and impactful dietary changes you can make.

Include protein at every meal
EggsCheeseYogurtMeat/fishBeansNuts

Protein slows glucose absorption and provides steady energy.

Add fibre
VegetablesFruitWhole grainsLegumes

Fibre also slows glucose absorption and supports gut health.

Avoid sugary drinks
Water or milk instead of juiceLimit fizzy drinksDilute juice if given

Liquid sugar causes rapid spikes and crashes.

Regular eating patterns
Predictable meal timesPlanned snacksDon't skip meals

Prevents low blood sugar dips that affect behaviour and mood.

Reduce ultra-processed snacks
Fruit instead of fruit snacksCheese instead of crispsGradual changes

Ultra-processed foods are designed to spike blood sugar.

Breakfast strategies

Breakfast is especially important for children on ADHD medication, as stimulants suppress appetite. Front-loading nutrition in the morning ensures they get calories and nutrients before appetite drops.

Tip: Give medication after breakfast, not before, to maximise eating window.

High protein
  • Scrambled eggs
  • Yogurt with nuts
  • Cheese on toast
  • Peanut butter on wholemeal
  • Breakfast sausages
Quick options
  • Overnight oats prepared the night before
  • Smoothie (with protein powder or nut butter)
  • Hard-boiled eggs (pre-made)
  • Cheese strings and fruit
For picky eaters
  • Whatever they'll eat is better than nothing
  • Non-traditional breakfast foods are fine
  • Small portions that don't overwhelm
If appetite is low
  • Smaller, calorie-dense portions
  • Smoothies/drinkable breakfast
  • Eating before medication kicks in
  • Something rather than nothing

Hydration

Why hydration matters

Dehydration affects concentration, mood, and cognitive function. Many children don't drink enough, especially during school.

Signs of dehydration:
HeadachesFatigueDifficulty concentratingIrritabilityDark urine
Hydration tips
  • Water bottle that goes everywhere
  • Flavoured water if plain is rejected
  • Water before screen time
  • Model drinking water yourself
  • Don't rely on thirst - schedule drinking
Daily amounts:
4-8 years: ~1 litre daily
9-13 years: ~1.5 litres daily
14+ years: ~2 litres daily

Meal planning tips

Batch cooking

Cook protein (chicken, mince, beans) in batches for easy assembly.

Consistent rotation

A 7-10 day meal rotation reduces decision fatigue.

Prep snacks in advance

Cut vegetables, portion nuts, have grab-and-go options ready.

Involve them

Children are more likely to eat what they helped prepare.

One meal, not short-order cooking

Prepare one meal with at least one thing they'll eat.

Snack ideas

Protein-rich

  • Cheese cubes
  • Yogurt
  • Hard-boiled eggs
  • Hummus
  • Nut butter on apple

Quick grab

  • Trail mix
  • Cheese strings
  • Fruit
  • Rice cakes with topping
  • Vegetable sticks

Energy-dense

  • Nut butter
  • Avocado
  • Full-fat dairy
  • Smoothies
  • Energy balls

Mealtime strategies

Consistent meal times

Same times each day helps appetite regulation.

Family meals when possible

Eating together models eating behaviour without pressure.

No pressure to eat

Pressure creates negative associations. Offer, don't force.

Limit grazing

Constant snacking reduces appetite for meals.

Time limits on meals

20-30 minutes is reasonable. Don't drag it out.

Screens off at table

Unless screens genuinely help them eat (use judgement).

Realistic expectations
  • Not every meal will be perfect - consistency over perfection
  • Some days are better than others
  • Gradual change is more sustainable than overhaul
  • Any improvement is worthwhile
  • Picky eating is common and often improves with time
  • Stress about food makes eating worse, not better
The key insight

Start with the basics: regular meals with protein, adequate hydration, and good breakfast. These practical changes have more evidence behind them than supplements or special diets, and they're sustainable.

  • Blood sugar stability is the most impactful practical change
  • Breakfast before medication is critical for children on stimulants
  • Hydration is often overlooked but significantly affects cognition
  • Consistency matters more than perfection
  • Reduce stress around food - it makes everything worse