Can supermarkets hide the sugar levels in their products?

After huge sugar levels were found in food there are still only a small amount of sugar-free foods. But can supermarkets hide or disguise their sugar levels? It's already a known fact that supermarket mix guideline daily amounts of natural and not-so-natural sugar to cheat customers into thinking it uses up less of their 'sugars but what about things like glucose-fructose syrup? Are there ingredients that contain sugar but can be disguised as being sugar-less?

Also if you persistently consume more sugar than your GDA how much over and for how long does this have to happen before you increase your chances of diabetes?

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).