Overseas medical insurance customers who are worried about their weight might want to pay heed to recent advice from a spokeswoman for Slimming World.
Jenny Caven told consumers that there is "no magic bullet" for for weight loss but that instead people should be prepared to work hard to follow a healthy diet and become more active.
However, medical insurance customers who are being helped by their doctor to lose weight could be finding it difficult to stick to this advice in a world were unhealthy lifestyle choices are "all too readily available".
To combat this problem, Ms Caved suggested: "Getting together with others who face similar challenges and sharing thoughts, successes and experiences is one of the best indicators of successful weight loss."
The comments follow news that a Japanese company Ajinomoto has applied to the Food Standards Agency to market dihydriocapsiate as a novel food ingredient that could help people lose weight.
However, Ms Caven said that this kind of thing can offer people a "false hope" and put them off track on their healthy living plan.