Slimsafe®

Purpose-Built Nutrition for Healthy Weight Management

Specialised Metabolic Collagen Peptides (Nextida® GC)
Support your body's natural appetite signals with Nextida® GC—specialised metabolic collagen peptides developed through precision collagen science.
A scientifically different approach to healthy weight management.

$139.00

In - stock and ready to ship

Size: 450g

450g 1 Packet

900g 2 Packets

4.5kg 10 Packets

Wellness Guarantee

Science Backed

Australian Owned

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Product Highlights

Supports Natural Appetite Signalling
Works with biological signals involved in hunger, fullness and food intake.

SUPPORT HEALTHY BLOOD GLUCOSE
40% lower post-meal glucose response.

BOOST NATURAL GLP-1
Works with your body's appetite signals.

NEXTIDA® GC METABOLIC COLLAGEN
A specialised collagen peptide composition selected through precision collagen science and investigated in human clinical studies.

What makes it different?

What If Healthy Weight Management Isn't Just About Willpower?
If you've struggled to manage your weight for years, you already know it isn't as simple as eating less and moving more. You may also be trying to maintain healthy blood sugar as part of improving your overall metabolic health. So why does lasting success remain so difficult? What if taking control didn't begin with more discipline...

...but with a better understanding of your body's metabolic biology?

Every time you eat, your body is already producing natural appetite signals that help regulate hunger, fullness and food intake. That's where Slimsafe is different. Instead of relying on stimulants or trying to override your biology, Slimsafe was developed from an entirely new area of collagen science called Metabolic Collagen.

Because understanding your body's natural biology is the first step towards taking control.

How it works

Healthy Weight Management Begins with Healthy Metabolic Biology
Every time you eat, your body begins a sophisticated biological conversation between your digestive system and your brain. Long before you've finished your meal, natural appetite signals are already helping regulate hunger, fullness and food intake. When these natural signals function well, they help regulate appetite and support healthy weight management. One of these signals is GLP-1, an incretin hormone released by the gut in response to nutrients. GLP-1 is involved in appetite regulation and post-meal metabolic responses. That's why scientists stopped asking how to suppress appetite and started asking a different question.

Could nutrition be purpose-built to support the body's own appetite biology? The answer led to an entirely new category of collagen science. Metabolic Collagen.

Why Nextida® GC Is Different
Traditional collagen supplements provide the building blocks your body uses to produce body collagen, supporting areas such as healthy skin, joints and connective tissues. Scientists asked a different question:

Could carefully selected collagen peptides support the body's natural appetite biology?

After years of precision peptide research, they identified one specialised collagen peptide composition that did. That discovery became Nextida® GC—a new category of Metabolic Collagen.

In a 2026 randomised, double-blind, placebo-controlled human study, 10 g of Nextida® GC taken 30 minutes before a carbohydrate-rich meal significantly increased the body's early GLP-1 response and reduced the post-meal glucose response compared with placebo.

The study included adults with both normal glucose regulation and prediabetes, and measured glucose, insulin, C-peptide, GLP-1 and GIP responses before and after the meal.

Why timing matters
Importantly, the study used the same 10 g dose and approximately 30-minute pre-meal timing used by Slimsafe

That's what makes Slimsafe scientifically different.

A discovery first. Clinical proof second.

One Purpose-Built Ingredient.
Nothing unnecessary. Just Nextida® GC, a specialised Metabolic Collagen investigated in controlled human clinical research.

Just a specialised Metabolic Collagen developed to support your body's natural appetite biology.

Explore the evidence
Every scientific claim behind Slimsafe is supported by published research. If you'd like to explore the science in greater depth, our Evidence File explains:

The discovery of Nextida® GC
The science behind Metabolic Collagen
The human clinical research
The published evidence supporting Slimsafe

→ Read the Slimsafe Evidence File

Shipping Made Simple

We ship anywhere in Australia at a flat rate of $8.90, with FREE shipping on all orders of $150 or more.

International orders ship at a flat rate of $20 AUD per 500g, and orders over $500 AUD enjoy FREE worldwide shipping.

Slimsafe

Quality	Unit	Average values per 100g
Protein	g	90
Total fat	g	0
Total carbohydrate	g	0
Dietary fibre	g	0
Sodium*	mg	200 – 800
Salt*	mg	500 – 2000
Vitamins	g	0
Calorific value	Kcal	360
Calorific value	kJ	1530

*Sodium does not come from added salt

Ingredients: 100% Pure Nextida® GC Hydrolysed Collagen Peptides.

Slimsafe®

From $139.00

450g

Supports natural satiety

Helps you feel fuller for longer

Works with your body's natural appetite signals

One purpose-built ingredient

No stimulants

Unflavoured

Why Choose Slimsafe®?

Slimsafe is for people who want a scientifically different approach to healthy weight management.

You may recognise yourself if you:

Have spent years trying to lose weight without lasting success.
Feel like you're constantly battling hunger or food cravings.
Find it difficult to feel satisfied after meals.
Are working to maintain healthy blood sugar as part of your overall metabolic health.
Have been told you have insulin resistance, prediabetes or metabolic syndrome.
Want an evidence-based approach that works with your body's natural biology rather than relying on stimulants.
Believe lasting change begins with understanding your body, not fighting it.

If that's you, you've probably realised that willpower alone isn't the answer. That's exactly why Slimsafe was developed.

Ready to take control?
You've discovered there's another way to think about healthy weight management. Not by fighting your body. By understanding it. Slimsafe was developed from a simple scientific question that led to a new category of collagen science.

Today, that discovery is available in one specialised ingredient: Nextida® GC Metabolic Collagen.

Human clinical research now provides evidence that this specialised collagen peptide can influence natural incretin signalling and post-meal glucose responses.

If you're ready for a scientifically different approach to healthy weight management, Slimsafe was purpose-built for you.

Support your body's natural appetite biology.

How to take Slimsafe®

Mix one serve (10 g) with approximately 250 mL of water and consume once daily, around 30 minutes before your largest meal.

The 30-minute timing is purposeful. It reflects the pre-meal timing used in human clinical research investigating Nextida® GC.

Slimsafe is designed to complement a balanced diet and healthy lifestyle by supporting your body's natural appetite biology.
For best results, take Slimsafe consistently as part of your daily routine.
Consistency, together with sensible nutrition and regular physical activity, provides the best foundation for healthy weight management.

Frequently Asked Questions

How is Slimsafe Different from Traditional Collagen?

Most collagen supplements are formulated to provide the amino acid building blocks your body uses to produce body collagen, supporting areas such as healthy skin, joints and connective tissues. Slimsafe was purpose-built for a different biological purpose. It contains Nextida® GC—a specialised Metabolic Collagen developed through precision collagen science to support your body's natural appetite biology. That's what makes Slimsafe a scientifically different approach to healthy weight management.

Human clinical research has now shown that this specific collagen peptide composition can influence incretin signalling and post-meal glucose responses.

Does Slimsafe replace healthy eating and exercise?

No. Slimsafe is designed to complement—not replace—a balanced diet and healthy lifestyle. It was developed to support your body's natural appetite biology as part of that broader approach.

Can I take Slimsafe with other CollagenX products?

Yes. Slimsafe can be used alongside other products in the CollagenX range because each product has a different biological purpose. Choose the product—or combination of products—that best matches your health goals.

Can I take Slimsafe if I'm trying to maintain healthy blood sugar?

Slimsafe was developed to support healthy weight management by working with your body's natural appetite biology. If you have diabetes, take prescription medicines or have any medical condition, consult your healthcare professional before using dietary supplements.

How long does it take before I notice a difference?

Slimsafe supports your body's natural biological processes rather than acting as a stimulant. For best results, take Slimsafe consistently as part of a healthy diet and active lifestyle.

Is Slimsafe suitable for long-term use?

Slimsafe is a nutritional supplement designed to be taken consistently as part of a healthy lifestyle. If you are pregnant, breastfeeding, have a medical condition or are taking prescription medication, seek advice from your healthcare professional before use.

How do I know Slimsafe's claims are supported by clinical research?

Slimsafe is built around Nextida® GC, a specialised metabolic collagen peptide developed through precision collagen science.

The evidence isn't based simply on laboratory research or a theory about how collagen might work. A randomised, double-blind, placebo-controlled clinical trial investigated Nextida® GC in adults alongside healthy lifestyle advice and found significantly greater improvements in healthy weight management compared with placebo, together with improvements in appetite-related outcomes.

That's an important distinction.

We don't believe evidence for a general category should automatically be presented as evidence for a specific product. Slimsafe's claims are based on the published research surrounding the specific Nextida® GC ingredient used in Slimsafe.

You can explore the discovery, science and human clinical research in the Slimsafe Evidence File.

Why does Slimsafe only contain one active ingredient?

Rather than combining multiple fashionable ingredients, we chose one specialised Metabolic Collagen with human clinical research investigating its effects on appetite-related and post-meal metabolic biology.

Carol from Wantirna, VIC

I'm rather surprised to see that there's a change in my wrinkles!

I have attached a before and after photo of my skin after taking CollagenX every morning for 6 weeks. I'm rather surprised to see that there's a change in my wrinkles! They are lighter and my skin feels more hydrated and smooth to touch. I am very happy with CollagenX and will certainly buy again.

Kate from Leschenault, WA

I have less pain in the mornings and early afternoon.

I have just finished my first bag of collagenx (started 6 weeks ago on Wild Caught Marine collagen). I take it each morning. I have found a subtle difference to my skin, but more importantly I have less pain in the mornings and early afternoon. I have early osteoarthritis, a right hip labral tear, tendonopathy and a right hip bursitis.

Ali from Wiley Park, NSW

Plumper skin, and way less dryness.

Winter usually leaves me with dry skin, but this winter, since starting CollagenX, I’ve noticed a great improvement. I look forward to seeing greater changes and improvements in my health, and will be sharing my experiences with friends and family.

Zoe

This is after one month of bovine collagen in my coffee each morning.

Hi there, I just wanted to share some before and after pics of my eczema. This is after one month of bovine collagen in my coffee each morning.

Australia's Best Collagen Supplements

Results You Can See. Science You Can Trust.

0% 57%

showed visibly smoother skin and reduced pores after 90 days.

0% 32%

reduction in joint pain reported after daily use

0% 44%

reduction in joint stiffness in a 6-month clinical study.

0 90

of collagen peptides are absorbed by the body within 4 hours of intake.

Made with 100% pure Peptan®
The world's most clinically studied collagen,
with results published in leading health and science journals.

Results & Reviews

Meet the Founders

Why we chose Peptan®

CollagenX was founded by independent researchers Matt Hough and Jeff Masters — friends and business partners for over 35 years. Hear why they chose Peptan®, the world's most researched collagen, as the foundation of every CollagenX product, including 40UP.

Learn More Learn More

Why Shop With Us

Every Order, Backed by Our Promise

Wellness Guarantee

If you don't feel any health benefits after using the recommended dose daily for 50 days, we'll give you your money back. No questions, no hassle — that's our promise.

Fast, Flat Rate Shipping

Flat rate of $8.90 anywhere in Australia, and orders over $150 ship FREE. No catches, no hidden charges — just fast, reliable delivery to your door, on time, every time.

10% Off Your First Order

Your health matters, and smart choices deserve rewards. Sign up for the latest CollagenX news, research and offers, and we'll take 10% off your very first order.

Backed by Real Science

CollagenX uses clinically researched ingredients from leading global specialists, including Peptan®, Nextida® GC and Colartix®. Their research has been published in leading health and science journals worldwide.

Australian Owned & Packed

CollagenX is proudly Australian owned. Our collagen is manufactured in state-of-the-art facilities in France and packed right here in Australia under scrupulous quality control.

Slimsafe®

Australia's Best Collagen Supplements

Results You Can See. Science You Can Trust.

Our Story

Wellness Guarantee

Fast, Flat Rate Shipping

10% Off Your First Order

Backed by Real Science

Australian Owned & Packed

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