A scientific test developed for elite athletes, is revolutionising the way Australians lose weight.
Dieters shed more kilos by exercising less, with those who've tried it saying they're the fittest they've ever been.
Fleur Trickey had almost given up on losing weight but now she's running marathons.
The problem wasn't what she ate or the amount of exercise she did. A simple test showed she could work-out less and lose more.
"I feel great, I feel really good. I'm much lighter," the 42-year-old said
"I'm amazed because it's so specific and accurate; that's very efficient for your body."
Physio Mark Barrett is one of few in the country offering the test to people who want to lose excess baggage.
The VO2 max isn't a quick-fix or a crash diet.
It's a scientifically proven way of measuring metabolism and analysing breath to determine at what heart rate you burn the most fat."Everyone's very different. It's about finding the exact levels they burn the most fat at," he said.
"I think most health professionals still don't know it exists here in Australia.
"There will come a day when, if you come and see a dietician, you will have to have this sort of test."
Until recently, the technology was only available to athletes at elite training facilities. Now an increasing number of everyday Aussies are turning to science to lose weight.
Health professional Dr. David Woodward took the test and lost 15kg and managed to keep the weight off without dieting.
He doesn’t hesitate to recommend it to patients who want to slim down.
"It explained a lot of the reasons why I wasn't achieving what I wanted to achieve, with the training I was doing," the GP said.
For more information visit the Jupiter Health website