It's tough to argue with water since it's calorie-free. But it also provides something important for blood sugar control: hydration. Drinking plain water is linked to a 6% lower risk of type 2 diabetes, finds a 2021 systematic review and meta-analysis in Diabetes & Metabolic Syndrome: Clinical Research & Reviews. Interestingly, water increases blood volume, which prompts the release of an amino acid that affects blood sugar regulation.
The association is even more powerful when people switch from drinking sugar-sweetened beverages (such as soda) to plain water, since this decreases sugar and calorie intake, helping people maintain a healthy weight, which ultimately helps with blood sugar control. Not into plain H20? Try this Strawberry, Basil & Lime Infused Water.
Whether you take your cuppa caffeinated or decaf, studies show that drinking coffee regularly is associated with a lower risk of type 2 diabetes, per a 2019 research in the journal Nutrients. Why? Plant compounds, called phytochemicals, in coffee may support the health of cells in the liver and pancreas, which protects against the development of fatty liver and preserves insulin function (a key regulator of blood sugar).
One thing to keep in mind: What you put in your coffee matters. You'll lose the potential blood sugar benefits if your coffee is a sugar bomb, which is common in flavored lattes and iced coffee drinks. If you don't like your coffee black, use the dietitian-approved trick to brew your grounds with a few shakes of cinnamon.
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Not a coffee drinker? Go for tea. It, too, is a drink associated with a lower risk of diabetes and complications from diabetes, per a 2019 review in the journal Antioxidants. Tea compounds help improve insulin resistance and decrease oxidative stress and inflammation. The researchers even say these tea components could be developed into products that could one day help manage diabetes.
Most research is done on black and oolong tea (as well as green tea, more on that below!), so opt for those varietals if you aim to lower your blood sugar. And, just like with coffee, limit adding sugar (including honey). If black tea tastes too bitter, going for tea blends, such as chai (with no sugar added), is a good option. Or for a zero-calorie drink with no sugar, so it remains a good pick for stable blood sugar levels, try this diabetes-friendly No-Sugar-Added Raspberry Iced Tea, which is made with black tea.
