An Australian woman says she drank nothing but orange juice for 40 days. Is that good for you? Here's what diet experts want ...

“So orange juice, even when not sweetened, can cause blood sugar spikes,” she added ... tooth enamel and cause acid reflux.

Grabbing that glass of orange juice first thing ... the fruit's fibre allows the fruit juice's fructose to be absorbed more quickly, allowing for more spikes in blood glucose,” he explained.