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The #1 Tea to Drink for Hydration, According to Dietitians

Looking for a flavorful way to stay hydrated? Dietitians say hibiscus tea is their top pick to sip.

By 

Mackenzie Burgess, RDN

Published on June 11, 2025

 Reviewed by Dietitian 

Kelly Plowe, M.S., RD

In This Article

Person pouring tea into a cup on a wooden table
Credit: puhimec/Getty Images
  • Hibiscus tea is a flavorful, caffeine-free way to stay hydrated, making it dietitians’ top pick.
  • The tea offers antioxidants and trace amounts of electrolytes like potassium and calcium. 
  • Hot or iced, hibiscus tea is a simple way to boost your hydration throughout the day.

Drinking enough water may be the gold standard for hydration, but it’s not the only way to meet your fluid needs. If you’re looking for a flavorful way to get more fluids in your day, registered dietitians agree: Hibiscus tea is the best tea to drink for hydration. It’s naturally caffeine-free and offers up nutrients like antioxidants and trace amounts of electrolytes.12

Hibiscus tea is made from the dried petals of the hibiscus flower, which are steeped in hot water to release their vibrant color, tart flavor and beneficial plant compounds. Stacey Woodson, M.S., RDN, LDN, says, “Hibiscus, also known as roselle or sorrel, creates a beautiful red tea containing anthocyanins, which are an antioxidant.”2

Here’s why it’s a top dietitian pick—and how to enjoy the tea as part of your daily routine.

How Hibiscus Tea Can Help with Hydration

It’s Naturally Caffeine-Free

“Caffeinated teas like green or black tea are mildly caffeinated, consequently leading to higher urine production and more fluids lost,” says Amy Davis, RDN. Hibiscus tea contains no caffeine, making it a great choice for staying hydrated.1 Plus, you can sip it any time of day without worrying about disrupting your sleep.

It Provides Trace Electrolytes

Although hibiscus tea isn’t a significant source of nutrients, it does offer small amounts of electrolytes like calcium, magnesium, phosphorus, potassium and sodium. Here are the electrolytes found in an 8-ounce serving of brewed hibiscus tea.1

  • Calcium: 19 mg
  • Magnesium: 7 mg
  • Phosphorus: 2 mg
  • Potassium: 47 mg
  • Sodium: 9 mg

Electrolytes help support muscle contractions, fluid regulation and nerve signaling. Getting enough electrolytes can contribute to your overall hydration, especially during warmer months.3

It’s Filled with Antioxidants

Hibiscus tea is a source of antioxidants called anthocyanins, which are responsible for the tea’s rich pigment. Woodson notes, “Anthocyanins give the tea its vibrant red hue while protecting cells from damage and supporting brain and heart health.” Studies have found that, thanks in part to its antioxidant offerings, hibiscus tea has anti-inflammatory and antimicrobial benefits.2

It Has Potential Heart-Health Benefits

Woodson points out that there’s promising research on hibiscus tea’s role in heart health, noting, “Research suggests that regular consumption of hibiscus tea may improve blood pressure, decrease inflammation and support healthy cholesterol levels.”2 However, it’s important to note that these effects aren’t likely due to hibiscus tea alone. They’re most likely to occur in the context of a balanced diet and healthy lifestyle.

Other Teas for Hydration

While hibiscus is a top pick, several other teas can support your fluid goals too. All of these herbal teas are naturally caffeine-free and hydrating. 

  • Chamomile tea: This is a gentle and calming tea that’s ideal before bed, as some research shows it may help promote sleep.4
  • Peppermint tea: This tea has a refreshing, cooling effect and may help soothe digestion.
  • Ginger tea: This one brings a spicy warmth and may help ease nausea.

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Ways to Enjoy Hibiscus Tea

  • Sip It Hot: Steep dried hibiscus petals or hibiscus tea bags in hot water for 5 to 7 minutes. You can always add a cinnamon stick, slice of lemon or drizzle of honey for extra flavor. It’s a comforting drink that’s great for winding down at night or warming up on a chilly morning.
  • Make Iced Tea: Hibiscus makes a refreshing iced tea, thanks to its tart, fruity taste. Brew a big batch, chill it in the fridge, and serve it over ice with citrus slices or berries. It’s a hydrating beverage you’ll love. Woodson recommends a sweet, fruit-infused combo: “During the warmer months, I enjoy preparing a cold brew of hibiscus tea infused with fresh pineapples or lime and sweetened with honey.” Or, give our Hibiscus-Pomegranate Iced Tea recipe a try.
  • Add a Flavor Booster: Hibiscus tea has a delicious flavor on its own, but it also pairs well with infusedingredients. Try mixing in ingredients like lemon or lime juice, fresh mint leaves or fresh produce slices like oranges, strawberries or cucumber.

Our Expert Take

If you’re looking for a flavorful, caffeine-free way to stay hydrated, hibiscus tea is a top pick among dietitians. It’s hydrating, filled with antioxidants, and contains trace amounts of electrolytes like potassium and calcium. Whether you enjoy it hot or iced, hibiscus tea is a simple way to boost your hydration throughout the day.

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