Sugar substitutes and artificial sweeteners are common in various diets and “low-calorie” products. They’re often touted as a way for people to enjoy sweetness without the added calories.
Many individuals turn to these alternatives to help manage weight or decrease sugar intake. Others seek out sugar-free options to keep blood glucose levels stable.
The growing popularity of these sweeteners stems from a desire to sidestep the downsides of sugar. Still, there are lingering concerns about how these substitutes might impact overall health.
Dr. Stanley Hazen, a senior researcher at the Cleveland Clinic’s Lerner Research Institute, is delving into the effects of specific sugar substitutes.
Sugar Substitutes – The Basics
There’s quite a variety of sugar substitutes, often referred to as artificial sweeteners. Products like aspartame, sucralose, saccharin, and sugar alcohols—such as erythritol and xylitol—are found in many “diet” or “low-calorie” items.
These substitutes are typically sweeter than regular sugar, meaning only a small amount is needed. For instance, saccharin can be hundreds of times sweeter than sugar, allowing for tiny servings.
This appeals to weight managers, as some believe that using these alternatives reduces extra calorie intake.
Moreover, people hoping to avoid spikes in blood sugar may find them particularly useful, especially those with diabetes.
Regulatory agencies generally consider many of these sweeteners safe within specific daily limits. Some nutritional guidelines even recommend them for those needing to decrease simple carbohydrates.
“Many professionals advise individuals at higher cardiovascular risk—like those with obesity, diabetes, or metabolic syndrome—to choose sugar substitutes instead of sugar,” Dr. Hazen noted.
“These results underscore the need for further long-term studies to evaluate the cardiovascular safety of erythritol and similar substitutes.”
Even though these products are labeled as “Generally Recognized as Safe,” the actual consumption patterns raise questions that might not have been completely addressed before.
Experts are calling for broader, long-term studies to explore potential impacts beyond just weight loss.
Sugar Substitute Called Erythritol
Over time, researchers have pondered whether all sugar substitutes act similarly in the body. A team from the Cleveland Clinic focused on erythritol, a sugar alcohol found in zero-sugar products like gum and snacks.
During a study with healthy volunteers, they noticed a concerning trend that needed further investigation.
“This research raises concerns that a typical serving of erythritol-sweetened food or drink could trigger clot formation,” shared Dr. W. H. Wilson Tang, a researcher in Heart Failure and Cardiac Transplantation Medicine at the Cleveland Clinic.
“We should look into erythritol and other sugar alcohols for their potential long-term health effects, as these effects aren’t seen with glucose.”
Xylitol Also Has Issues
In their research, the team found that xylitol, another sugar alcohol, exhibited similar effects in the bloodstream. People with elevated xylitol levels seemed to have a higher likelihood of facing serious cardiovascular events in the following years.
Given that these observations were made in individuals already facing heart issues, the risk factors associated with these substances have come into sharper focus.
Some products are branded as keto-friendly, which has boosted the appeal of sugar alcohols among those following very low-carb diets.
While erythritol and xylitol might fit the bill for reduced-calorie sweetness, this research invites a deeper look into how they affect blood and heart function in different demographics.
Balancing Sweetness and Safety
Considering the new findings, it might be wise to exercise caution, especially for those with conditions that could lead to clotting or other heart complications.
“Opting for occasional small portions of sugar-sweetened treats could be better than regularly consuming foods and drinks with these sugar alcohols, particularly for people at elevated risk of clotting issues, like those with heart disease or diabetes,” advised Dr. Hazen.
“Cardiovascular problems develop over time, and heart disease is a leading global cause of death. We need to ensure our diets aren’t inadvertently contributing to the problem.”
Manufacturers include sugar substitutes in various snacks and drinks, and some consumers prefer them for their promise of better calorie control.
However, researchers urge individuals with existing heart conditions or metabolic disorders to monitor how often they use these sweeteners.
Why Does Any of This Matter?
The reason experts are cautious is that the consumption of sweeteners can vary dramatically among individuals. Some might drink a few diet sodas daily or often snack on sugar-free treats.
Guidelines on upper intake limits were established when data on long-term cardiovascular outcomes were less defined.
With new studies emerging, there could be a push for reevaluation of how all sugar alcohols function in those at high risk for blood clots.
No matter the reason for turning to sugar alternatives—weight management or portion control—these insights advocate for discussions with healthcare providers.
A personalized plan that considers medical history and risk factors can be crucial in determining how to incorporate products sweetened with erythritol or xylitol.
What’s Next for Sugar Substitutes
Opinions about the efficacy of sugar substitutes vary. Some view them as beneficial for reducing sugar intake, while others see a potential for unintentional health issues, especially in those with a background of heart disease or metabolic disorders.
As new information comes to light, these discussions may lead to updated guidelines or labeling requirements highlighting potential cardiovascular risks.
For the time being, a moderate approach and a balanced diet seem to be the favored methods. Artificial sweeteners may fit certain dietary plans, but the latest findings from the Cleveland Clinic encourage a closer examination of possible disadvantages.
Being mindful of labels and consulting with trusted healthcare professionals can assist individuals in navigating their sweet options in everyday life.
Such awareness could help many dodge unwanted surprises while still satisfying their sweet tooth.
The full study appeared in the journal Arteriosclerosis Thrombosis and Vascular Biology.
