Key points from article :
Blood sugar monitors are unnecessary for people without diabetes and could fuel eating disorders, doctors have warned.
They are part of a new diet trend but there is no strong evidence they help people without diabetes.
Companies like ZOE sell blood sugar monitors, offering a program to people without diabetes.
The program includes logging food intake, wearing a blood sugar monitor, and testing responses to fat and gut bacteria.
Some researchers argue that the meaning of blood sugar swings in non-diabetic range is not well understood.
ZOE says there is some evidence that higher blood sugar and big variations may be linked to worse health outcomes.
Gut microbiome testing is a young science and there are many unanswered questions about how it influences our health.
General practitioner Ran Crooke and others agree CGMs could be a helpful tool for some people to motivate them and change their diet.