Intermittent fasting is everywhere.
You’ve probably heard:
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“It’s the best way to lose weight”
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“It boosts your metabolism”
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“It fixes everything from fat loss to hormones”
And at the same time:
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Skipping meals sounds extreme
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Is this actually healthy?
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Does it even work?
If you’re unsure, that’s completely fair.
Working with people trying to lose weight, this is one of the most common questions. Intermittent fasting can work — but not for the reasons most people think.
By the end of this article, you’ll understand:
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What intermittent fasting actually is
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Whether it works for weight loss
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If it’s safe
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And whether it’s right for you
What Is Intermittent Fasting?
Intermittent fasting (IF) is not a diet.
It’s an eating pattern.
It focuses on when you eat — not necessarily what you eat.
Instead of spreading meals across the day, you eat within a set time window.
Common Types of Intermittent Fasting
16:8 Method
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Fast for 16 hours
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Eat within an 8-hour window
5:2 Method
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Eat normally 5 days
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Reduce calories significantly 2 days
Alternate Day Fasting
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Eat normally one day
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Fast or eat very little the next
The 16:8 method is the most common and practical.
Does Intermittent Fasting Actually Work?
Yes — but not because it’s special.
It works because it helps create a calorie deficit.
When you restrict your eating window:
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You often eat fewer calories
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Which leads to weight loss
This links directly to one of our previous articles:
A calorie deficit is still the driver of fat loss
Intermittent fasting is just one way to get there.
What Are the Benefits?
Some potential benefits:
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Simpler eating structure
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Fewer meals to plan
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May reduce snacking
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Can improve adherence for some people
But many claims are exaggerated.
It doesn’t:
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“Boost metabolism dramatically”
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“Burn fat faster than other diets”
Is Intermittent Fasting Safe?
For many healthy adults — yes.
But it’s not suitable for everyone.
Be cautious if you:
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Have a history of disordered eating
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Are pregnant
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Have certain medical conditions
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Struggle with energy level
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If fasting leads to bingeing, low energy, or stress — it’s not the right fit.
Who Is Intermittent Fasting Good For?
It can work well if:
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You prefer fewer meals
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You don’t feel hungry in the morning
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You like simple structure
It’s not ideal if:
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You feel overly hungry
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You overeat later
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You prefer regular meals
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It disrupts your routine
Intermittent Fasting vs Calorie Deficit
This is the most important point.
Intermittent fasting is not better than a calorie deficit
It’s just one way to achieve it.
You can:
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Lose weight without fasting
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Fail to lose weight while fasting
The method matters less than consistency.
Do You Need a Dietitian?
You might not need one if:
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You’re seeing results
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You feel good
But you likely do if:
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You feel stuck
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You’re unsure what approach to take
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You’re not seeing progress
What Working With a Dietitian Changes
Instead of guessing, you get:
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A structured plan
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The right approach for your lifestyle
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Adjustments based on progress
Whether that includes fasting or not.
Final Thoughts
Intermittent fasting isn’t magic — but it can be useful.
The key is:
Finding what works for you
You don’t need to follow trends.
You need a method you can:
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Stick to
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Feel good doing
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Sustain long-term
If you’re based in Sydney or working online, getting the right guidance can help you choose the right approach — instead of guessing.