How to Choose a Snack That Will Actually Keep You Full

True Protein Blog Avatar Fallback reviewed by our Nutrition Team Published: 29 July 2026 Updated: 29 July 2026

If you're hungry again 20 minutes after snacking, the problem isn't willpower — it's what's on your plate, and one simple formula fixes it.

How to Choose a Snack That Will Actually Keep You Full

Summary

A snack that actually keeps you full comes down to one formula: protein + a fibre-rich carbohydrate + a healthy fat. You don't need all three every time — pairing protein with a fibre-rich carb is enough to turn a light snack into a satisfying one. The fibre and fat slow sugar's entry into your cells, so you get slow, sustained energy instead of a quick spike and crash. Think a True Protein shake with a banana, Greek yoghurt with berries and walnuts, or apple with peanut butter and two boiled eggs. Not every snack needs to be perfectly balanced — but when you're genuinely hungry between meals, this is the combination that carries you through.

We’ve all had those snacks that seem like a good idea at the time, only to find ourselves 
searching the pantry again 20 minutes later.

A piece of fruit. A couple of rice crackers. The mini chocolate bar in the bowl in the office.

A quick coffee between meetings. They might take the edge off your hunger temporarily, but they don’t always have enough substance to keep you satisfied until your next meal… aka. a quick energy boost, followed by a hard crash, followed by another craving.  

The good news is that building a more satiating snack doesn’t need to involve calorie 
counting or complicated meal prep!! As a Clinical Nutritionist, one of the simplest snack 
formulas I recommend is:

Protein + a fibre-rich carbohydrate + a healthy fat

You don’t necessarily need all three every time. However, combining at least a protein 
source with a fibre-rich carbohydrate can turn a light snack into something much more 
satisfying. You also get a slow sustained energy boost for much longer due to the fibre and fat slowing down the sugar entry into the cell to be used for energy.  

Here’s how to put the formula into practice. 

 

Start with protein 

Protein is often the part missing from common snack foods.

Fruit, crackers, toast and muesli bars can all contribute carbohydrates and energy, but they may not keep you full for very long when they’re eaten alone. Adding a meaningful source of protein generally creates a more balanced and satisfying snack. 

Protein is also required for much more than muscle building. Your body uses it to produce 
enzymes, hormones and immune cells, as well as to repair and maintain tissues throughout the body.

Some convenient protein options include:

  • A high-protein yoghurt, such as Chobani 15g Protein Greek Yoghurt or YoPro
  • Cottage cheese
  • Two boiled eggs
  • A small tin of tuna in olive oil
  • Roasted edamame
  • Leftover shredded chicken or turkey  
  • A True Protein All Natural Protein Shake- 30g of complete dairy protein from ultrafiltered milk. It’s lactose-free, contains no added sugar and shelf stable before opening. So handy for those in between moments!!

 

Add a fibre-rich carbohydrate 

Carbohydrates aren’t something we need to be afraid of. They provide an accessible source of energy and can be particularly helpful before or after exercise, during a busy workday or whenever there’s a long gap between meals.

The key is choosing carbohydrate foods that also provide fibre and nutrients.

Fibre adds bulk to food and can contribute to feelings of fullness, although the effect varies depending on the food and type of fibre. Fibre also supports regular bowel movements and feeds beneficial bacteria within the gut.

Fibre-rich carbohydrate options include:

  • An apple, pear, banana, orange or punnet of berries 
  • Wholemeal toast
  • Wholegrain crackers
  • Rolled oats
  • Carrot, cucumber or capsicum sticks
  • Chickpeas lentils or beans
  • Air-popped popcorn
  • A small wholegrain wrap 

 

Add a healthy fat  

Healthy fats are the optional final part of the formula.

They can add flavour, texture and a little more staying power to your snack, particularly when you have several hours until your next meal.

Some easy options include:

  • A small handful of almonds or walnuts
  • One tablespoon of natural peanut butter
  • Tahini
  • Avocado
  • Chia or hemp seeds
  • Hommus
  • Yoghurt doubles as protein and fat!

 

Easy snack combinations

Still not sure what to put together? Try one of these combinations.

 

1. True Protein Shake and a banana or apple

The shake provides the protein, while the banana/apple contributes carbohydrates and fibre.

This is a simple option after a workout, during your commute or when you’ve walked out the door without breakfast. For a larger snack, add a small handful of natural almonds. 


2. True Protein Shake and wholegrain toast

Pair the shake with one slice of wholemeal bread + avo or peanut butter. 

 

3. Protein Greek Yoghurt with berries and walnuts 

Choose a YoPro or Chobani protein yoghurt and add fresh or frozen berries. 

Top it with a small amount of walnuts or 1-2 chopped brazil nuts for healthy fats, selenium and crunch.

 

4. Cottage cheese on wholegrain toast

Top a slice of wholegrain toast with cottage cheese. If you want to make it fancy, add some tomato and cucumber or smoked salmon, cracked pepper or chilli flakes + dill. If you’re a sweet tooth,  add sliced strawberries and cinnamon.

 

5. Tuna with wholegrain crackers

Pair a small tin of tuna in olive oil or water with wholegrain crackers. Add some sliced 
cucumber or cherry tomatoes when you have them available.

 

6. Apple with peanut butter + 2 boiled eggs

It doesn’t need to be an exotic snack! Slice an apple and spread it with natural peanut butter!

The fruit provides carbohydrates and fibre, while the eggs contribute some protein and 
healthy fats.

 

7. Hommus with vegetable sticks and boiled eggs

Pair some hummus with carrot, cucumber and capsicum sticks. Add two boiled eggs to 
increase the protein and make it a more filling snack OR the True Protein Protein shake for an even more convenient option.

 

Does every snack need to be perfectly balanced?

Absolutely not.

Sometimes you may only want a piece of fruit. Sometimes you’ll have a coffee and move on with your day. You also don’t necessarily need a snack at all when your meals are keeping you comfortably full.

This formula is simply a useful tool for the times when you’re genuinely hungry and need 
something to carry you through until your next meal.

It can be particularly helpful when:

  • There’s more than three hours until your next meal
  • You’re exercising before dinner
  • You’re travelling or commuting
  • You tend to arrive home ravenous and eat everything in sight
  • Your current snacks never seem to satisfy you
  • You’ve missed a meal and need a convenient backup

 

In Conclusion

A filling snack doesn’t need to be elaborate.

Start with a meaningful protein source, add a fibre-rich carbohydrate and include a small 
amount of healthy fat when you need some extra fuel. Just watch how much LESS cravings you actually have when you use this combination. Snacking isn’t “bad” when it’s nutritious 
and doesn’t keep you wanting more! Happy Snacking!

By Georgina Waugh 
Clinical Nutritionist (BHSc Nut Med) 
Wellbeing George Nutrition www.wellbeingeorge.com.au

Key Takeaways

  • A filling snack comes down to one formula: protein + a fibre-rich carbohydrate + a healthy fat.
  • You don't need all three every time — pairing a protein source with a fibre-rich carb is the effective minimum.
  • Protein is the component most often missing from common snacks like fruit, crackers, toast and muesli bars.
  • Fibre and fat slow the entry of sugar into your cells, giving slow, sustained energy instead of a spike and crash.
  • Combining protein with fibre-rich carbs helps reduce the cravings that follow unbalanced snacks.
  • Healthy fat is optional — add it when there are several hours until your next meal.
  • Not every snack needs to be perfectly balanced; sometimes a piece of fruit or a coffee is enough.
  • The formula matters most when meals are more than three hours apart, before exercise, while travelling, or as a backup for a missed meal.

IMPORTANT INFORMATION: all content provided here is of a general nature only and is not a substitute for individualised professional medical advice, diagnosis or treatment and reliance should not be placed on it. For personalised medical or nutrition advice, please make an appointment with your doctor, dietitian or qualified healthcare professional.