Why protein is your secret weapon for weight loss (and feeling fuller for longer)

If you’ve ever started a diet feeling fired up… only to find yourself rummaging through the pantry by 3pm looking for something to take the edge off, you’re not alone. Hunger — real, gnawing hunger — is one of the biggest reasons people fall off the weight-loss wagon. 

But here’s some good news: one of the simplest ways to stay fuller, feel more energised, and see real results is by embracing a higher-protein way of eating^{^}. And no, it’s not a fad. It’s backed by years of CSIRO research and the lived experiences of thousands of Aussies who’ve walked the same path you’re on. 

Let’s break it down so you can make choices that actually work for your busy, real-life routine.

Why protein matters (more than you think)

Most of us know protein is good for muscles, but it’s a total overachiever. Protein helps you feel full, keeps cravings in check and supports healthy weight loss. According to CSIRO research, higher-protein meals increase satiety, meaning you’re far less likely to overeat later in the day.

Another big win? When paired with low-GI carbs, protein slows digestion, so your blood sugar stays steadier. That means fewer sugar crashes and fewer impulsive snack attacks.

Does high protein help burn fat? The research says yes

CSIRO studies have shown that a higher-protein, low-GI diet can help reduce body fat while maintaining lean muscle. And preserving muscle is key because your metabolism relies on it. 

• Less muscle = slower burn
• More muscle = faster burn

Simple, science-backed, and totally doable. 

Five everyday problems higher protein can solve

If you’ve ever struggled with any of these, you’re in good company — and protein may be the missing puzzle piece: 

1. Feeling hungry soon after eating
2. Cravings for sweet or salty snacks
3. Low energy, especially in the afternoon
4. Portion control
5. Emotional or boredom eating

Boosting protein helps stabilise appetite and gives your meals more staying power. It’s like switching from running on fumes to cruise control. 

Join the program backed by science

Created by Australia’s national science agency and innovator, the CSIRO Total Wellbeing Diet has helped over a million Aussies improve their overall health and wellness. And CBHS members get huge discounts on the CSIRO Total Wellbeing Diet^*.

Join today and start your journey feeling confident, supported and set up for success^~.

How it works

A program built on behaviour research

Built on decades of CSIRO research and shaped by what’s worked for over 1.2 million Australians. Every feature is designed to support real people achieving real results.

CSIRO-developed holistic approach

Beyond just weight loss, helping you understand what a healthy plate looks like. Flexible, balanced and built around food units, not calories or points — supporting your health.

Designed to create long-term habits

Grounded in behaviour science, helping you form simple, lasting routines that actually stick. You’ll build real lifestyle change to keep the weight off long after the program ends.

Natural weight loss

When you eat protein-rich foods like meat, eggs, dairy, or legumes, your body breaks them down in the stomach and small intestine into amino acids — the building blocks of life.

These amino acids are absorbed into the bloodstream, where they travel throughout the body to do essential work, from repairing and building muscle to supporting hormone and enzyme production.

As amino acids are detected in your gut, your body naturally releases fullness hormones such as GLP-1 and PYY. These hormones travel through your bloodstream to your brain’s appetite centre, and can help to:

• quieten the food noise
• reduce cravings
• support appetite regulation.

All while supporting muscle repair, hormone balance, and long-term energy. This natural hormonal response can work to help you stay fuller for longer, reduce snacking, and lose weight sustainably.

What's involved?

Here’s what you get when you join the CSIRO Total Wellbeing Diet:

• Access to the members-only Total Wellbeing Diet app and website
• High-protein, low-GI recipes and meal plans
• Food, exercise and weight-loss tracking tools
• Online group coaching sessions
• Access to a Facebook community of other Total Wellbeing Diet participants
• Option to follow programs designed to support people managing specific conditions, e.g. pre-diabetes, type 2 diabetes, high blood pressure, high cholesterol, menopause or joint pain.

Total wellbeing, totally yours

Discover why the CSIRO Total Wellbeing Diet is Australia’s leading weight-loss program^#, and find out if it’s right for you. Check out the special offers available to CBHS members^*.