Toronto [Canada]: Honey, especially if it is raw and comes from a single floral source, has been shown to boost important cardiometabolic health indicators like blood sugar and cholesterol levels, according to University of Toronto researchers. The findings were published in the journal Nutrition Reviews.
The researchers conducted a systematic review and meta-analysis of clinical trials on honey, and found that it lowered fasting blood glucose, total and LDL or 'bad' cholesterol, triglycerides, and a marker of fatty liver disease; it also increased HDL or 'good' cholesterol, and some markers of inflammation.
"These results are surprising, because honey is about 80 per cent sugar," said Tauseef Khan, a senior researcher on the study and a research associate in nutritional sciences at U of T's Temerty Faculty of Medicine. "But honey is also a complex composition of common and rare sugars, proteins, organic acids and other bioactive compounds that very likely have health benefits."
Previous research has shown that honey can improve cardiometabolic health, especially in in vitro and animal studies. The current study is the most comprehensive review to date of clinical trials, and it includes the most detailed data on processing and floral source. "The word among public health and nutrition experts has long been that 'a sugar is a sugar,' said John Sievenpiper, principal investigator and an associate professor of nutritional sciences and medicine at U of T, who is also a clinician-scientist at Unity Health Toronto. "These results show that's not the case, and they should give pause to the designation of honey as a free or added sugar in dietary guidelines."
Sievenpiper and Khan emphasized that the context of the findings was critical: clinical trials in which participants followed healthy dietary patterns, with added sugars accounting for 10 per cent or less of daily caloric intake. "We're not saying you should start having honey if you currently avoid sugar," said Khan. "The takeaway is more about replacement - if you're using table sugar, syrup or another sweetener, switching those sugars for honey might lower cardiometabolic risks."