Several beverages offer real health benefits beyond plain water, including green tea, coffee, herbal teas, kombucha, milk, and sparkling water. The key is choosing drinks that are low in added sugar and offer something nutritionally useful, whether that’s antioxidants, protein, probiotics, or specific vitamins.
Green Tea
Green tea is one of the most well-studied healthy beverages. It contains catechins, a group of plant compounds that act as powerful antioxidants in the body. It also contains an amino acid called L-theanine, which has stress-reducing and anti-anxiety properties and may improve memory and cognitive function. These compounds work together to create a drink that’s both calming and mentally sharpening, which is why green tea gives a smoother, less jittery energy boost than coffee.
A standard cup of green tea has about 30 to 50 milligrams of caffeine, roughly half of what you’d get from coffee. That makes it a good option if you’re sensitive to caffeine but still want a mild pick-me-up. Drink it plain or with a squeeze of lemon. Adding sugar or honey technically works, but it starts to undermine the point.
Coffee
Coffee often gets treated as a guilty pleasure, but the research consistently supports moderate consumption as genuinely healthy. Drinking one to three cups per day is associated with a 35% lower risk of death from cardiovascular disease, according to a large cohort study using national health data. That benefit held even for people who already had heart or blood vessel conditions.
The FDA considers 400 milligrams of caffeine per day safe for most adults, which works out to roughly two to three 12-ounce cups of brewed coffee. Beyond that amount, you’re more likely to experience insomnia, anxiety, digestive issues, or an elevated heart rate. Black coffee has essentially zero calories. Once you start adding flavored syrups, whipped cream, or sweetened creamers, you’re drinking dessert.
Herbal Teas
Herbal teas are naturally caffeine-free, which makes them a solid option for evenings or for anyone avoiding caffeine entirely. Chamomile and peppermint are popular choices for relaxation and digestion, but hibiscus tea stands out for having measurable effects on blood pressure.
In a USDA-funded study, people who drank hibiscus tea daily saw their systolic blood pressure drop by 7.2 points on average, compared to just 1.3 points in a placebo group. Among those who started with higher blood pressure readings (129 or above), the results were even more dramatic: systolic pressure dropped by 13.2 points and diastolic pressure dropped by 6.4 points. That’s a meaningful change from a simple tea. Hibiscus has a tart, cranberry-like flavor and works well both hot and iced without added sweetener.
Sparkling Water
Plain sparkling water is essentially just water with bubbles, and your teeth can handle it fine. A study comparing the effects of sparkling water and still water on tooth enamel found the two were about the same. The carbonation makes it slightly more acidic than flat water, but not enough to cause erosion.
There are two exceptions. Citrus-flavored sparkling waters have higher acid levels that can damage enamel over time, so they’re worth limiting. And any sparkling water with added sugar is really just soda in a fancier can. Stick to plain or naturally flavored varieties without sweeteners, and you’ve got a perfectly healthy swap for people who find still water boring.
Kombucha
Kombucha is a fermented tea made using a colony of bacteria and yeast. The fermentation process produces organic acids and live microorganisms that function similarly to probiotics, potentially supporting gut health. A typical 8-ounce serving contains about 29 calories and 8 grams of sugar, which is far less than soda or fruit juice but not zero.
Sugar content varies widely between brands, though. Some commercial kombuchas pack in extra sugar or juice for flavor, pushing them closer to 15 or 20 grams per bottle. Check the label and aim for brands with single-digit sugar per serving. The drink also contains small amounts of caffeine (from the tea base) and trace amounts of alcohol from fermentation, usually under 0.5%.
Milk and Plant-Based Alternatives
Cow’s milk delivers a strong nutritional package: about 8 grams of protein and 300 milligrams of calcium per cup, plus naturally occurring vitamins A and B12. It’s one of the most nutrient-dense beverages available, particularly for bone health and muscle recovery. Skim and low-fat versions cut the saturated fat while keeping the protein and calcium intact.
Among plant-based milks, soy milk comes closest to matching cow’s milk nutritionally, with about 7 grams of protein per cup. Most commercial soy and almond milks are fortified with calcium to at least match dairy levels, but not all brands do this consistently. Almond, oat, and coconut milks tend to be much lower in protein (often 1 to 2 grams per cup), so if protein matters to you, soy is the better plant-based pick. Always check the nutrition label, and choose unsweetened versions when possible.
100% Fruit Juice in Small Amounts
Pure fruit juice contains vitamins and antioxidants, but it also concentrates the natural sugars from fruit while stripping out most of the fiber. When you juice a fruit, the fiber-bound nutrients get discarded with the pulp, and what remains is essentially sugar water with some vitamins. An 8-ounce glass of orange juice has roughly the same sugar content as a glass of soda.
That doesn’t mean you need to avoid it entirely. For adults, a reasonable daily limit is 8 to 12 ounces of 100% fruit juice. Treat it as a small nutritional supplement rather than your primary hydration source. If you want the benefits of fruit without the sugar spike, eating whole fruit or blending it into a smoothie (which retains the fiber) is a better choice.
Vegetable Juice and Smoothies
Vegetable juice is lower in sugar than fruit juice, making it a smarter option if you’re looking for vitamins in liquid form. Tomato juice, carrot juice, and beet juice all deliver meaningful amounts of vitamins A and C, potassium, and various antioxidants. The tradeoff is the same as with fruit juice: juicing removes fiber and the nutrients bound to it.
Blending vegetables into smoothies sidesteps this problem because the whole plant goes into the drink, fiber included. A smoothie made with spinach, cucumber, a small amount of fruit for sweetness, and water or unsweetened milk gives you a nutritionally complete drink. Just watch for smoothie recipes that call for large amounts of fruit, honey, or flavored yogurt, which can push the sugar content surprisingly high.