Food

3 Healthy Sugar Substitutes That Are 'Not Harmful' To The Brain, According To A Neuroscientist: Allulose, More

January 30, 2025 by Mariam Qayum
shefinds | Food

Sugar consumption has a significant impact on brain health, influencing everything from mood to cognitive function. Excess sugar intake has been linked to inflammation, memory issues, and an increased risk of neurological disorders.

However, not all sugar substitutes are harmful—some alternatives can provide sweetness without the negative effects on the brain.


Robert Love, a neuroscientist, recently shared three healthy sugar substitutes that are “not harmful” to the brain and also happen to be “delicious.”

“You probably already know that regular sugar and refined sugars are damaging to the brain because they can increase the risk of type 2 diabetes, and unfortunately, the same goes for most diet artificial sweeteners,” Love says.

He adds that a 10-year longitudinal study out of France revealed that people who consumed diet soda “had an increased risk of type 2 diabetes,” a major risk factor for Alzheimer’s disease.

So what are some substitutes that won’t cause these effects? Read on to discover all three!

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allulose

1. Allulose

This one happens to be Love’s favorite. “This is a natural rare sugar that is found in dates, mulberries, and maple syrup,” he reveals.

“It’s a 1-to-1 substitute for regular sugar,” adding that you can certainly find this type of sugar at places like Costco. It also contains 90% fewer calories than regular sugar, which helps with weight loss as well and won’t “spike your blood sugar.”

monk fruit

2. Monk fruit

Popular in liquid forms, monk fruit sugar is a popular addition to smoothies, coffees, and cocktails (discover the worst types of sweeteners here!).

This is a zero-calorie sweetener and Love notes that you should opt for “pure monk fruit sugar; you don’t want the monk fruit sugar mixed with erythritol.”

stevia

3. Stevia

Although Love says some may find Stevia to have a metallic taste, its benefits are worth noting.

“I like to mix stevia with monk fruit sugar: 1 drop of stevia and 2 drops of monk fruit sugar," he states.

Stevia is another sweetener that won’t spike blood sugar levels, glucose, and also doesn’t have calories. It's a win-win! Love also highlights that it's definitely a “safe” sweetener alternative because it's derived from the stevia leaf.

He concludes by adding that you should “stay away” from agave as a sweetener because although it may seem like a natural option, it’s actually from high fructose corn syrup (HFCS), a sweetener that has detrimental effects on your health when consumed excessively.

Author:

Editorial Assistant

Mariam is an Editorial Assistant at SheFinds, covering everything from celebrity fashion to health and wellness. A true city girl at heart, she splits her time between New York and Philly, bringing that hustle and creativity wherever she goes. With a resume packed with internships and editorial roles, she's built a solid expertise in the field. When she's not writing, pitching, or obsessing over the latest TikTok trends, you can find her hanging with family, cooking up something delicious, or dreaming about her next travel adventure. You can reach Mariam at mariam@shefinds.com.

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