Sugar tax needs to offer more incentive, claims IFS

By Rick Pendrous

- Last updated on GMT

The sugar tax on soft drinks will be set at two bands – 5g and 8g per 100ml
The sugar tax on soft drinks will be set at two bands – 5g and 8g per 100ml

Related tags: Soft drinks, Coca-cola, Energy drink

The tax on soft drinks, which comes into force in April 2018, needs to be changed to give manufacturers more incentive to reduce the sugar in their products, the Institute for Fiscal Studies (IFS) has argued.

Under current plans, there will be two bands – one at 18p per litre (ppl) for soft drinks with total sugar content of 5g or more per 100ml, and a second, higher band at 24ppl for those with 8g or more per 100ml.

“There are a couple of drawbacks in the way the tax is designed that could probably quite easily be fixed,”​ said IFS associate director Dr Martin O’Connell, speaking at a seminar on sugar reduction policy organised by the Westminster Food & Nutrition Forum.

“One, is that the incentives for reformulation aren’t as strong as what they potentially could be,”​ he said.

The same tax liability

Secondly, O’Connell pointed out that the same tax liability would hit drinks such as Coca-Cola, containing 10.6g of sugar per 100ml, as very high sugar energy drinks such as Rockstar, which contained 15.7g of sugar per 100ml – nearly 50% more sugar.

“The tax rate in terms of the sugar in that product is actually lower than it is for Coke,”​ he explained. “And there are quite a lot of popular products in this part of the tax schedule.”

Therefore, there was no incentive for reformulating products with very high sugar content, O’Connell suggested, unless the levels could be reduced below 8g/ml.

“Instead of levying the tax on volume, if we simply set the tax rate directly on the sugar in soft drinks illustrated at a rate of 20p per 100g of sugar, then, regardless of where a product is on the tax schedule, there would always be an incentive to reformulate.

“It would also mean that a higher sugar product would attract more tax.”

In need of ‘corrective intervention’

The tax’s effectiveness would be determined by whether it was well targeted at those in need of “corrective intervention”​ – in this case, children, who tended to get most of their added sugar intake from soft drinks, O’Connell explained.

Soft drinks were an obvious target since they could be reformulated without the risk of substitution with other highly calorific nutrients, he added.

However, focusing on soft drinks only targeted about 20% of dietary intake of sugar and also created the potential for a price differential between sugar in soft drinks and other forms of sugar.

“That may induce some people to switch to alternative sugars,”​ O’Connell said.

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1 comment

Added sugar

Posted by Victor Goodridge,

Reduce the added sugar, reduce the cost. Is that not a good enough incentive?

What is really needed is a convincing explanation of why added sugar is detrimental whereas "natural" sugar is beneficial.

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