Homepage Shop Buy 3 Get 1 Free

In Stock, Ready to Ship

Free Shipping on Orders $100+

  • Afterpay
  • American Express
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Our Advanced Meal Replacement

Containing the perfect balance of protein, carbs, fats, fibre, amino acids, probiotics, 25 essential vitamins and minerals, Cassius Advanced Meal Replacement sustains the appetite while providing the ideal nutritional mix to fuel your day. 

Our proprietary adaptogen blend reduces stress, combats fatigue, increases mental performance and improves physical and mental fitness and resilience.

  • Tasty and Affordable
  • Proven Weight Loss Solution
  • Sustained All-day Energy
  • Control Hunger and Cravings
  • Scientifically Designed
  • Low in Calories and Sugar
  • Boosts Mood, Focus & Memory

30 Days Guarantee

Cassius comes with a 30-day money-back guarantee. If you're not satisfied with your purchase, return it for a full refund within 30 days.

Nutrition Facts


Master Your Weight Loss Journey

100% Australian Made

Cassius products are crafted in Australia, supporting local businesses and ensuring quality.

All Natural Ingredients

Cassius products only contain natural ingredients, promoting optimal health and nutrition.

pay later with afterpay

Take advantage of Afterpay. Start your wellness journey now, handle the payment later.

Australia Free Shipping

Free shipping on orders over $50, express on orders above $115. Wellness, delivered.

30 Days Money Back Guarantee

With our 30-day guarantee, try our supplements risk-free.

Lost Weight With Cassius

Join over 10,000 men who've achieved weight loss with Cassius. Start your journey today.

How It Works

1 2 3 4 5

Get Started Easily

Choose Your product

Select from our varied meal replacement shakes, with many flavors and vegan options, as well as our potent super greens and effective appetite control.

Free Shipping

Get free shipping for orders over $50, and free express delivery for orders above $115, typically arriving in 1-3 days.

Start Losing Weight

Enjoy the benefits once you start using our products: lose weight, boost gut health, and enhance your mood among other improvements.


Cassius Vs Other Product

Other Meal Replacement

Big Serve

Big 60g Serve

Small 50-27g Serve


Enhance Memory & Focus

No Nootropics


Combat Physical & Mental Stress

No Adaptogens

Vitamins & Minerals

25 Vitamins & Minerals



Deliciously balanced flavours

Often overly sweet and thick


30 Days Guarantee

Buy At Your Own Risk

frequently asked question

We value your time. Orders are usually packed and dispatched the next business day. For speedy delivery, choose express shipping and receive your package within 1-3 days post-dispatch. Better yet, express shipping is free on orders over $115! Regular shipping typically takes up to 5 days. Keep tabs on your order with tracking details, emailed upon shipment.

While our brand is male-focused, the nutrients in Cassius Advanced Meal Replacement are beneficial for everyone. Both men and women can use our meal replacement shakes as part of a balanced diet.

Cassius is a wellness brand focused on providing high-quality, balanced nutritional products. Our range includes Advanced Meal Replacement shakes, Super Greens, and an Appetite Control Blend, designed to support your overall health, weight management, and mental well-being.

Yes, all Cassius products are formulated with carefully selected, high-quality ingredients. They are designed by nutrition experts and food scientists to ensure safety and efficacy.

Cassius products can be purchased directly from our website. We offer secure payment options and prompt shipping for your convenience.

We offer products suitable for both vegetarians and vegans. Please check the product description for specific dietary information.

Our customer service team is always ready to assist you with any concerns or issues you might have. Please contact us via our website or at the provided customer service email.

Yes, we stand by the quality of our products. If you're not satisfied with your purchase, we offer a return policy. Please check our terms and conditions for details.