Personalised DNA Tests
In Australia

CarbChoice is your DNA profile to help choose the right carbs.

Order Your CarbChoice DNA Profile


With better carb management, you can push yourself harder and get fit faster… but it all comes down to how well you know your GENES!


It uses your genetic information to help make better dietary and lifestyle choices. Get tailored advice and information to help you with improving your fitness!


CarbChoice is a great new method to help with your overall health and wellness goals where other programs haven’t worked so well.


Know how much of each different type of carb you should eat, enjoy better health and you won’t have to miss out on all the foods you love.

Welcome to CarbChoice and Fitgenes

Carbchoice is a home DNA test that determines your natural, genetic ability to process carbohydrates.Fitgenes, the maker of CarbChoice, is a world leader in developing DNA-based fitness solutions.

FitGenes’ scientists have been researching and producing DNA-based fitness solutions since 2009.

Fitgenes is respected for its data integrity and privacy of DNA results.

Order Your CarbChoice DNA Profile

The Test

  • CarbChoice uses DNA science to help remove the trial and error of determining your best diet and exercise regime - the one test that can set you up for life.
  • Using world-leading DNA testing, CarbChoice can be a fast-track to achieving nutrition, weight loss and fitness goals.
  • It empowers individuals, dietitians, nutritionists, pharmacists, naturopaths and fitness experts to plan a diet and exercise regime that best suits your genetic makeup.
  • CarbChoice is a home DNA test that predicts your ability to produce amylase, an enzyme that breaks down and processes starchy carbohydrates in the body.
  • The level of salivary amylase activity determines your ability to process carbohydrates.
  • Amylase activity can be predicted using a simple mouth swab to test variations in the AMY1 gene, the result is called a CarbChoice “score”.
  • CarbChoice scores will typically be between 1 and 14, but may be higher.
  • A lower CarbChoice score corresponds to a lesser ability to process starchy carbs, higher scores correspond to a better ability to process starchy carbs.

The CarbChoice genetic test report empowers you to manage your weight by using diet and exercise to increase your amylase levels and make dietary choices appropriate for you.

Order Your CarbChoice DNA Profile


  • Bonnefond et al. 2017, Relationship between salivary/pancreatic amylase and body mass index: a systems biology approach, BMC medicine (
  • Falchi et al. 2014, Low copy number of the salivary amylase gene predisposes to obesity, Nature Genetics (
  • Mandel and Breslin 2012, High Endogenous Salivary Amylase Activity Is Associated with Improved Glycemic Homeostasis following Starch Ingestion in Adults, Journal of Nutrition (
  • Mandel et al. 2010, Individual Differences in AMY1 Gene Copy Number, Salivary α-Amylase Levels, and the Perception of Oral Starch, PloS One (
  • Marcovecchio et al. 2016, Low AMY1 Gene Copy Number Is Associated with Increased Body Mass Index in Prepubertal Boys, PloS One (
  • Mejía-Benítez et al. 2015, Beneficial effect of a high number of copies of salivary amylase AMY1 gene on obesity risk in Mexican children,Diabeticalogia(
  • Perry et al. 2007, Diet and the evolution of human amylase gene copy number variation. Nat Genetics (
  • Santos et al. 2012, Copy number polymorphism of the salivary amylase gene: implications in human nutrition research, Journal of Nutrigenetics and Nutrigenomics 2012 (
  • Viljakainen et al. 2015, Low Copy Number of the AMY1 Locus Is Associated with Early-Onset Female Obesity in Finland, PLoS One 2015 (
  • Yang et al. 2015, The roles of AMY1 copies and protein expression in human salivary α-amylase activity, Physiology & Behaviour (
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