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Neuroscientist Shares 3 Sweeteners That Are 'Great' For The Brain And Won't Spike Blood Sugar Levels

March 8, 2025 by Mariam Qayum
shefinds | Food
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Sweeteners are a popular alternative to sugar, but not all are created equal when it comes to brain health and blood sugar control. While some artificial and highly processed sweeteners may have negative effects, certain natural options can provide a sweet taste without causing blood sugar spikes. Additionally, some natural sweeteners contain antioxidants and compounds that may help reduce inflammation in the brain, promoting long-term neurological health.

 

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Dr. Robert Love, a neuroscientist, recently shared three sweeteners that are “great” for your brain and won’t spike your blood sugar levels. According to him, allulose, monk fruit sugar, and stevia are the best options. Read on to learn more.

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Allulose

Sugar and brain health are linked because “type 2 diabetes significantly increases the risk of Alzheimer’s disease, and many refined sugars, such as high fructose corn syrup and refined beet sugar, increase the risk of type 2 diabetes by spiking blood sugar and insulin,” he reveals.

Unlike regular sugar, allulose has minimal impact on blood glucose and insulin levels, making it a great option for those managing diabetes or looking to avoid sugar spikes.

"Allulose is a rare sugar found naturally in mulberries, figs, and maple syrup,” Love says. It also has 90% fewer calories than regular sugar, adding that “it won’t spike your insulin, won’t spike your blood sugar, and in a double-blind placebo-controlled study out of Korea, those who took allulose compared to placebo lost more weight,” noting that some studies have shown a link between this sweetener and weight loss.

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Monk fruit sugar

Monk fruit contains powerful antioxidants called mogrosides, which have anti-inflammatory properties that may help protect brain cells from oxidative stress and cognitive decline.

Monk fruit sugar “basically has zero calories, doesn't spike your insulin, doesn’t spike your blood glucose,” all while tasting great. Love recommends adding it with sweetener number 3 on the list, which is stevia!

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Stevia

By preventing blood sugar crashes, stevia helps sustain mental clarity and focus. Additionally, some studies suggest that stevia has anti-inflammatory and neuroprotective properties.

Love suggests taking two drops of monk fruit sugar with a drop of stevia because they “work synergistically together to increase sweeteners, but they won’t spike your insulin, won’t spike your blood glucose, and they don’t have that stevia metallic taste.” Perfect!

Author:

Editorial Assistant

Mariam is an Editorial Assistant and writer at SheFinds, covering everything from style and beauty to health and wellness. Splitting her time between New York and Philadelphia, she brings a sharp eye for trends and a passion for storytelling to the digital space. With a strong editorial background, she’s always exploring the latest in fashion, skincare, and wellness. When she’s not writing or pitching, you’ll find her in the kitchen experimenting with new recipes or planning her next travel adventure. You can reach Mariam at mariam@shefinds.com.

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Variety of bread types displayed on a table
Freshly baked goods from Costco bakery
Woman holding her head, expressing concern or stress
Woman experiencing joint pain while holding her knee
Shutterstock image showcasing beauty and skincare trends.
Popular fast food brands: Dunkin', Chick-fil-A, Starbucks
Woman adding sugar to a steaming cup of coffee
Wooden board with bagels, blueberries, and butter
Comparing cooking spray and olive oil for cooking
Top view of Brazilian dish with rice, beans, and chicken
Checking watch while enjoying a healthy breakfast
Display of deli meats and sandwich products in grocery store
Delicious cooked salmon with rice, avocado, and greens.
Inside a bustling Costco store showcasing products.
Woman taking magnesium supplement for health benefits.
S'mores brownies and baked ricotta from Aldi's selection.
Grilled chicken breast served with crispy fries and salad.
Frozen pizza display in grocery store aisle
Plate of fried fish with crispy fries
Hand spilling vitamin C pills, symbolizing health and vitality