5 Jun Researchers have found popular soft drinks manufactured in Australia contain a higher concentration of sugar than those made in the US, leading to health risks. This is a list of soft drinks in order of the brand's country of origin. A soft drink is a beverage that typically contains water usually a sweetener and usually a flavoring agent. The sweetener may be sugar, high-fructose corn syrup, fruit juice, sugar substitutes (in the case of diet drinks) or some. 4 Jun Soft drinks sold in Australia have levels of glucose higher than those found in the US, which is linked to an increased chance of developing heart disease and type 2 diabetes, a study shows.