For the full breakdown, see our best Drinks to Lower Blood Sugar guide.
The real strategy is choosing drinks that won’t spike it—starting with water. For a detailed look at the best options and some helpful products, see our roundup of best drinks to lower blood sugar.
Best Everyday Drinks for Blood Sugar
Drinks with zero sugar and no artificial sweeteners are safest for diabetes. They don’t add calories and support hydration without affecting glucose.
| Drink | Why It Works |
|---|---|
| Water | No sugar, calories, or sweeteners; hydrates without any glucose impact. |
| Unsweetened tea (black, green, herbal) | Contains antioxidants; green tea may improve fasting blood sugar over time. |
| Unsweetened coffee | Helps the body metabolize sugar per Hartford Hospital’s guide; enjoy in moderation. |
| Sparkling water | Zero sugar, calorie-free, and a satisfying alternative to soda. |
| Milk (plain, unsweetened) | Low impact on blood sugar compared with sugary drinks; use in moderation. |
Drinks to Limit or Avoid
Sugary drinks cause rapid glucose spikes and are best avoided. That includes regular soda, energy drinks, sweetened teas and coffees, fruit punches, and cocktails. Alcohol can cause both hypoglycemia and hyperglycemia; if you drink, monitor your blood glucose more often. Diet drinks and artificially sweetened beverages are better than sugary ones, but they should still be consumed in moderation.
Can Any Drink Actually Lower Blood Sugar?
However, some beverages may support long‑term glucose control. Keep in mind that these effects are gradual and should never replace prescribed medication or a balanced diet.
References & Sources
- Hartford Hospital.
- Diabetes UK. “What to Drink with Diabetes.” Water, unsweetened tea, and coffee recommended; advises limiting sugary drinks and alcohol.
- Medical News Today. “What Drinks Help Lower Blood Sugar?” Reviews evidence for green tea, kefir, and tomato juice; notes no drink directly lowers glucose.
FAQs
Is milk okay for blood sugar?
Plain unsweetened milk typically has little effect on blood sugar compared with sugary beverages, but it still contains natural sugars. Enjoy it in moderation, ideally as part of a balanced meal, to avoid unexpected spikes.
Can I drink fruit juice?
Fruit juice is high in carbohydrates and can raise blood sugar quickly, even 100% juice. If you choose juice, limit it to a small portion (about 4 oz) and pair it with protein or fiber to slow absorption. Smoothies are similarly limited.