A study suggests a link for both fizzy pop and fruit juices, although the reason is not clear.Read more
Health and science correspondent, BBC News
Sports Minister Mims Davies welcomes companies reformulating their drinks in response to the levy.
Boris Johnson has told a leadership hustings in Exeter that he wants to see more work done on getting children to exercise rather than introducing a sugar tax for milkshakes.
Confectionery companies are under huge pressure to make sweets with less sugar. But how do you replace or reduce this key ingredient without upsetting fiercely loyal customers? Pallavi Joshi, from Nestle's global confectionery team, tells Simon Tulett its latest experiment with one of its most popular products had mixed results. (Image: Boy with hand in a sweetie jar. Credit: Getty Images)
BBC Radio 5 Live
Toby McKeever, interim chief operating officer of Lucozade Ribena Suntory, has been speaking to Radio 5 Live's Wake Up To Money about the company's decision to reduce sugar levels in its drinks two years ago.
He said the changes to reduce sugar were underway before the sugar tax was introduced last year.
Sales of Lucozade Energy are up 5%, Lucozade Sport up by 14% and Ribena Light up 6% since the sugar tax was introduced.
"There's a big debate in society about health and about sugar levels. We have to make that sure we keep the conversation balanced. We talk a lot about calories in being the issue but an equal issue is calories out".