Shares in the Swiss giant Nestle have fallen almost ten per cent over the last year, as the Ozempic effect weighs on the food and drinks industry. <br /><br />Over two million US citizens are now using “skinny jab” weight control drugs that work by suppressing appetites. <br /><br />Some of the biggest names in the food industry are having to change their product lines and pitches to customers, as demand falls for high calorie snacks and drinks.