Real science, real results
Fast Start isn't built on trends or fads — it's grounded in decades of nutrition research from CSIRO, Australia's national science agency. Every ingredient, every calorie, every week of the program is evidence-based.
See the Research
Decades of science behind every shake
Fast Start isn't just another meal replacement. It's designed in collaboration with CSIRO and proven to deliver healthy weight loss.
* Baird, D., and Hendrie, G. (2024) Fast Start: Summary of results. CSIRO, Australia.
** The CSIRO Total Wellbeing Diet is the highest rated diet in Australia on review service Trustpilot and is the 2024 Product Review winner in the weight loss category.
Backed by CSIRO science
- Dr. Gilly Hendrie
- Nicole Pritchard APD.
"When people feel their clothes are fitting better, they have more energy, or they see the numbers dropping on the scales, it helps stay motivated to stick at it"
CSIRO Research Scientist and Group Leader
"The Fast Start program can support early, clinically meaningful weight loss while helping individuals better manage hunger and cravings."
CSIRO Total Wellbeing Diet, Head of Health Programs
Formulated to fuel your weight loss
Our CSIRO-backed meal replacement shakes are created with high-quality ingredients that provide a balanced combination of protein, carbohydrates, fats, vitamins, and minerals to ensure your nutritional goals are met.
* Per serve, when prepared. Values are approximate and are based on the Chocolate flavour.
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Start your 1 month program today
Join thousands of Australians who've already started their weight loss journey with CSIRO-backed science.