For a caffeine boost that's comparable to coffee, along with bonus benefits (think potential mood enhancer and high in antioxidants), consider sipping Runa's guayusa tea.

Runa Blood Orange Brewed Natural Caffeine, runa.com

What do you get when you combine the fun of fizzy water with the rich flavors of tea? This tea-infused sparkling water from Sound. They offer a number of organic, unsweetened flavors, but this green tea variety with hints of tangerine and lemongrass is a standout.

Sound Green Tea–Infused Sparkling Water, drinksound.com

Kombucha certainly qualifies as a functional beverage, thanks to its gut health benefits. Aqua ViTea takes it one step further with this Green Tea kombucha, by adding CBD to the blend. They also extract the alcohol, so this kombucha is a completely nonalcoholic drink.

Aqua ViTea Green Tea CBD Kombucha, aquavitea.com

For a healthy, flavorful effervescent tea, Minna has you covered. The Lime Hibiscus Tea is a naturally caffeine-free organic rooibos tea with hibiscus. It also features rosehips for a unique tart, berry taste to delight your taste buds.

Minna Cherry Cacao Green Tea, drinkminna.com

To elevate your simple bottle of cold water, drop in one of these flavored enhancers from Twinings. This variety adds a refreshing kick of lemon and ginger, without artificial sweeteners or flavors.

Twinings Lemon & Ginger Cold Infuse Flavoured Cold Water Enhancer, twiningsusa.com

Vitamin Water has countless tasty flavors infused with—you guessed it—vitamins. This "reset" flavor features ample vitamin C, B5, B6, B12, and electrolytes for a nourishing sip.

Vitamin Water Reset Pineapple Coconut, vitaminwater.com

Flow is known for its alkaline spring waters, which feature naturally occurring minerals and electrolytes. Beyond the plain waters, the brand also has flavored options to take their offerings up a notch, such as spa-worthy cucumber + mint.

Flow Cucumber + Mint, flowhydration.com

Known for its electrolyte-rich waters, Smartwater now has an option that's infused with antioxidant selenium for bonus health benefits.

Smartwater antioxidant, drinksmartwater.com

For sparkling water fans, Sodastreams are a must-have kitchen gadget. And recently, the brand launched natural flavor fruit drops (think watermelon, grapefruit, lemon, and more) to add a bit of pizazz to your on-demand seltzer.

Sodastream Watermelon Fruit Drops, sodastream.com

Olipop may look like a simple can of soda, but it's actually bursting with nutritious ingredients like prebiotic plant fibers. This orange squeeze flavor, in particular, features vitamin-C-rich citrus fruit like clementine, mandarin, and acerola cherry.

Olipop Orange Squeeze, drinkolipop.com

Recess drinks are a lovely functional beverage with just a touch of sweetness, perfect for social occasions, in particular. These bubbly, healthy drinks feature hemp extract and adaptogens, to help promote a calm state of mind.

Recess Blackberry Chai, takearecess.com

Cracking into a can of fruity seltzer water is oh-so-satisfying, especially when it's one of Spindrift's delicious flavors. This grapefruit drink doesn't have an ounce of sugar and uses real fruit juice for taste.

Spindrift Grapefruit Sparkling Water, drinkspindrift.com

This effervescent drink is a wonderful choice—and not just because Michael Bublé is their spokesperson. Bubly sparkling water comes in 15 different flavors, all of which are made with natural flavors, sans sweeteners.

Mango Bubly Sparking Water, bubly.com

If you love soda but don't love the high sugar content and artificial ingredients, consider this bubbly alternative. Flavored with plant-based stevia and a hint of ginger, this alternative ginger ale will tickle your taste buds.

Zevia Ginger Ale, zevia.com

For a healthy drink that's a bit more filling, try Remedy Organics' plant-based, protein-backed beverages. Each bottle contains prebiotics, adaptogenic herbs, and nutrient-rich superfoods to keep you feeling nourished. This golden mind blend also features DHA omega-3s and MCT oil.

Remedy Organics Golden Mind, remedyorganics.com

Another great plant-based, protein-packed drink, we like Evolve shakes as a post-workout recovery drink, but you can sip one any time of day for an additional energy. This protein shake has 10 grams of fiber and 20 grams of pea protein—which is also a good source of calcium, iron, and zinc.

Evolve Vanilla Bean Plant-Based Protein Shake, drinkevolve.com

Coconut water is a fantastic hydrating beverage that tastes delicious, too. VitaCoco's nutrient- and electrolyte-rich drink is perfect to sip on a hot day or blend into your morning smoothie.

VitaCoco Original Coconut Water, vitacoco.com

Propel drinks are perfect for post-workout recovery. Now, the brand also has an immunity-focused blend, featuring vitamin C and zinc.

Propel Immune Support Lemon Blackberry, propelwater.com

Countless athletes, like Naomi Osaka, swear by BodyArmor for pre- and post-workout fuel (check out Osaka's go-to smoothie recipes for reference). The BodyArmor Lyte drinks feature countless ingredients to keep your body running strong (potassium, vitamin C, B vitamins, and zinc), and no added sugar.

BodyArmor Lyte Tropical Coconut, drinkbodyarmor.com