We all know someone desperate to lose weight.

While the desire for transformation is understandable, it is crucial to distinguish between safe, healthy practices and those that, despite their popularity, can pose a significant risk.

One such approach is the very low-calorie diet (VLCD), which is widely popularised yet profoundly hazardous and most people undertake without any medical supervision.

This diet restricts daily calorie intake to 800 calories or less and promises dramatic weight loss in a short period.