What are the ingredients in Mio hydration?

December 10, 2025 •

3 min read

Mio is a zero-calorie, zero-sugar liquid water enhancer that has gained popularity for its convenience and flavor variety. Understanding what are the ingredients in Mio hydration, which can vary across product lines like Mio Original, Energy, and Hydrate, is key to knowing what you're consuming.

Quick Summary

An in-depth look at Mio's composition reveals a base of water, citric acid, and artificial sweeteners, supplemented with functional ingredients. Key components across product lines include electrolytes, B vitamins, and caffeine, alongside a range of flavorings, preservatives, and coloring agents.

Key Points

Core Ingredients: All Mio products contain a base of water, citric acid, and the artificial sweeteners sucralose and acesulfame potassium.
Product Specialization: Ingredient profiles vary across Mio's lines, with Hydrate including electrolytes, Energy containing caffeine and B vitamins, and Vitamins offering a caffeine-free vitamin boost.
Artificial Sweeteners: The non-caloric sweeteners sucralose and Ace-K provide intense flavor but are subject to ongoing discussion regarding potential long-term health effects.
Added Preservatives: Preservatives like potassium sorbate and sodium benzoate are included to extend shelf life, while propylene glycol aids in moisture retention and flavor dispersal.
Food Dyes: Many Mio flavors use artificial food colorings such as Red 40, Blue 1, and Yellow 5, which can be a concern for individuals with sensitivities.
Hydration Benefits: The primary function of Mio, particularly the Hydrate line, is to encourage water intake by adding flavor and electrolytes without calories or sugar.

Core ingredients in Mio hydration

All Mio products share a similar foundation designed to deliver a flavorful, zero-calorie liquid concentrate. The primary components include water, which serves as the base for the liquid enhancer. Citric acid and malic acid are added for a tart taste and to function as preservatives. The characteristic sweetness comes from artificial, non-caloric sweeteners, primarily sucralose and acesulfame potassium (Ace-K), providing intense flavor without adding sugar.

Other common elements across the board include natural flavors for taste and a blend of preservatives to ensure a long shelf life. Potassium sorbate and sodium benzoate are frequently used to inhibit microbial growth. Some formulations may also contain propylene glycol, which helps disperse the flavor and maintain moisture, and gum arabic or SAIB (sucrose acetate isobutyrate) as emulsifiers.

Mio product line ingredients breakdown

MiO has several product lines, each with a unique formula tailored for different consumer needs. Here’s a deeper look into the specific ingredient additions for each variant.

Mio Hydrate

Mio Hydrate is specifically designed to provide electrolytes to aid hydration, similar to a sports drink but without the sugar and calories.

Electrolytes: Contains sodium and potassium, often in the form of sodium citrate, potassium citrate, or monopotassium phosphate. These minerals are essential for proper body function, especially after exercise.
Natural Flavors: Uses natural flavor extracts to create refreshing citrus or berry tastes.
Sweeteners: Relies on sucralose and acesulfame potassium for a zero-sugar profile.

Mio Energy

For those seeking a boost, Mio Energy adds stimulants and energizing vitamins to the standard formula.

Caffeine: A key ingredient, with a typical serving containing around 60mg.
B Vitamins: Fortified with niacinamide (B3), vitamin B6, and vitamin B12 to support energy metabolism.
Other Stimulants: Often includes taurine, guarana extract, and ginseng extract for an added boost.
Coloring: May use artificial colors like Red 40, Blue 1, or Yellow 5, depending on the flavor.

Mio Vitamins

Mio Vitamins is another specialized formula designed to enhance water with a daily dose of essential B vitamins.

B Vitamins: Like the energy version, it includes B3, B6, and B12, but without the added caffeine.
Antioxidants: Some variations may include rosemary extract to protect the flavor.
Sweeteners: Utilizes artificial sweeteners like sucralose.

Ingredient comparisons: Mio Hydrate vs. Mio Energy

To highlight the functional differences between product lines, here is a comparison of key ingredients in Mio Hydrate and Mio Energy.


Feature	Mio Hydrate	Mio Energy
Primary Function	Replenishes electrolytes for daily hydration.	Provides caffeine and B vitamins for a boost of energy.
Key Active Ingredients	Sodium citrate, potassium citrate, monopotassium phosphate.	Caffeine, guarana extract, ginseng extract, B vitamins (B3, B6, B12).
Sweeteners	Sucralose, acesulfame potassium.	Sucralose, acesulfame potassium.
Vitamins	Minimal or none; focus is on electrolytes.	Contains B vitamins (Niacinamide, B6, B12).
Stimulants	No caffeine or added stimulants.	Includes caffeine, taurine, guarana extract, and ginseng extract.

Potential health considerations

While the ingredients in Mio are generally recognized as safe by the FDA, some components warrant consideration for certain individuals. The use of artificial sweeteners like sucralose and acesulfame potassium is sometimes debated, with studies suggesting potential links to altered gut bacteria or heightened sugar cravings, although they are FDA-approved. People with sensitivities to food dyes, such as Red 40 or Yellow 5, should be aware that these are present in many Mio flavors and have been linked to allergic reactions in some cases. The caffeine content in Mio Energy also means it is not suitable for children or individuals sensitive to caffeine.

Conclusion: Making an informed choice

Understanding what are the ingredients in Mio hydration allows consumers to choose the best product for their needs. Whether you prioritize electrolyte replenishment, a caffeine-based energy boost, or simply enhanced flavor, the varied product lines offer options for different goals. However, it is always wise to be mindful of the added sweeteners, preservatives, and colorants, especially if you have sensitivities. For a more natural alternative, infusing water with fresh fruits and herbs is an option, but Mio remains a convenient and calorie-free way to encourage better hydration habits. For detailed information on specific preservatives like potassium sorbate, the National Institutes of Health provides research for further reading.

Frequently Asked Questions

Mio uses two primary artificial, non-caloric sweeteners: sucralose and acesulfame potassium (Ace-K).

Yes, specific products like Mio Hydrate and Mio Sport are formulated with electrolytes, including sodium and potassium, to help with hydration.

Only the Mio Energy product line contains caffeine. Other lines like Original, Hydrate, and Vitamins are caffeine-free.

Mio products include 'natural flavors,' which are derived from a range of organic sources. However, the majority of the formula consists of artificial components and preservatives.

Propylene glycol is a preservative and moisture-retaining agent found in some Mio formulations, particularly the caffeinated versions. It helps to disperse flavors and maintain consistency.

The ingredients in Mio are generally recognized as safe (GRAS) by the FDA. However, some additives, particularly artificial sweeteners and dyes, have prompted discussion and may cause reactions in sensitive individuals.

Preservatives like potassium sorbate and sodium benzoate are included in Mio to inhibit the growth of molds, yeast, and bacteria, ensuring a longer shelf life and product safety.