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Does Yogurt Count Toward Water Intake? Unpacking the Science of Hydrating Foods

4 min read

While most people focus on plain water, up to 30% of our daily fluid intake actually comes from the foods we eat, especially those rich in moisture. So, does yogurt count toward water intake, and how significant is its contribution to your overall hydration?

Quick Summary

Yogurt, especially plain varieties, contributes substantially to daily fluid intake due to its high water content. It offers unique benefits like protein and electrolytes that aid in better hydration than water alone, making it a valuable addition to a balanced diet.

Key Points

  • Hydration Source: Yogurt, particularly the plain variety, is composed of a high percentage of water, making it a valuable source of fluid for daily hydration.

  • Nutrient-Dense Hydration: Beyond just fluid, yogurt provides electrolytes (sodium, potassium), protein, and beneficial probiotics that enhance its hydrating effects and support overall health.

  • Yogurt Type Matters: Unstrained, plain yogurt offers the highest water content. Greek yogurt is thicker and higher in protein but contains less water per serving due to the straining process.

  • Superior to Sugary Drinks: Opt for plain yogurt over sugary, flavored varieties for better hydration and to avoid excess calories from added sweeteners.

  • Supports Post-Exercise Recovery: A study found that yogurt drink was as effective as commercial sports drinks for rehydrating athletes by replenishing lost fluids and electrolytes.

In This Article

The Surprising Fluid Contribution from Food

It is a common misconception that our hydration needs are solely met by the beverages we drink. In reality, a significant portion of our daily fluid intake comes from solid foods, including many fruits, vegetables, and dairy products. Yogurt, as a nutrient-dense food, is a prime example of a dietary source that helps keep the body well-hydrated. Recognizing and utilizing these 'hidden' sources of fluids is a key aspect of maintaining a healthy, balanced diet.

How Much Water is in Yogurt?

Yogurt's water content can vary depending on the type and how it's processed, but most plain yogurts consist of a high percentage of water. Plain, whole-milk yogurt, for instance, contains about 88% water. The fermentation process traps this water within the casein protein matrix, creating the creamy, gel-like texture we associate with yogurt. Even thicker varieties, like Greek yogurt, still contain a substantial amount of fluid, although less than their unstrained counterparts. This means that every time you eat a serving of yogurt, you are not only getting protein, calcium, and probiotics but also a considerable dose of hydrating fluid.

The Unique Hydrating Benefits of Yogurt

Yogurt offers more than just water; its combination of nutrients enhances its rehydrating properties, particularly after strenuous exercise or during illness. When you lose fluids through sweat, you also lose electrolytes like sodium and potassium. Plain yogurt contains these essential electrolytes, along with protein, which can help your body replenish what's lost and retain fluids more effectively. A 2018 study even suggested that a yogurt drink could be as effective as a commercial sports drink for rehydrating athletes after intense exercise in hot conditions. Its blend of carbohydrates and protein also aids in overall recovery.

Choosing the Right Yogurt for Hydration

The type of yogurt you choose will impact its contribution to your hydration goals, primarily due to differences in processing and added ingredients. While all yogurts contain fluid, some are more beneficial for hydration than others.

  • Plain Yogurt: The highest in water content, as it has not been strained. It is also lower in added sugars, which can hinder hydration.
  • Greek Yogurt: Straining removes a significant amount of whey (the watery part of milk), resulting in a thicker, higher-protein product but with less total fluid. It is still hydrating but provides less water per volume than plain yogurt.
  • Flavored Yogurts: Often contain substantial amounts of added sugars, which should be consumed in moderation. The high sugar content can potentially impact hydration negatively and adds extra calories without significant nutritional value. For better hydration and health, it is recommended to stick to plain yogurt and add your own fruit for flavor.

A Comparison of Yogurt Types for Hydration

To illustrate the differences, consider this comparison table of a standard plain yogurt versus a typical Greek yogurt.

Feature Plain Yogurt Greek Yogurt Plain Water
Water Content ~88% Lower due to straining 100%
Protein Moderate Higher concentration None
Electrolytes Contains potassium and sodium Contains potassium and sodium None (unless fortified)
Probiotics Contains live and active cultures Contains live and active cultures None
Added Sugar Typically very low or none Typically very low or none (in plain versions) None

Incorporating Yogurt into a Hydration Diet

There are numerous delicious and healthy ways to make yogurt a regular part of your diet to support hydration:

  • Morning Smoothie: Blend plain yogurt with high-water fruits like strawberries, peaches, or watermelon.
  • Hydrating Snack: Enjoy a bowl of plain yogurt topped with fresh berries or melon for a refreshing, moisture-rich snack.
  • Healthy Dip: Use Greek yogurt as a base for creamy dips or sauces, a healthier alternative to mayonnaise or sour cream.
  • Post-Workout Fuel: A cup of plain yogurt provides water, electrolytes, and protein, all crucial for recovery after exercise.
  • Savory Dishes: Incorporate plain yogurt into savory dishes like soups or marinades to add creaminess and moisture.

For more information on the importance of including diverse fluid sources in your diet, the Centers for Disease Control and Prevention offers excellent resources on healthy drinking habits.

Conclusion

In conclusion, the answer to the question, "Does yogurt count toward water intake?" is a resounding yes. It is a valuable and often overlooked source of dietary fluid that offers a unique combination of water, protein, and electrolytes. While not a replacement for drinking plain water, incorporating yogurt and other hydrating foods into your diet is a smart strategy for staying adequately hydrated. For optimal health and hydration, choose plain yogurt varieties and limit those with high added sugar. By paying attention to all sources of fluid, you can better manage your hydration and support your overall well-being.

Frequently Asked Questions

No, Greek yogurt is strained to remove much of the whey, which is the watery part of the milk. This results in a thicker, higher-protein product with a lower water content compared to regular plain yogurt.

Plain, whole-milk yogurt is approximately 88% water. The specific amount can vary slightly based on the processing and milk type used.

While foods like yogurt contribute significantly to your daily fluid intake, they are not a full substitute for drinking water. Water remains the best choice for staying hydrated, especially during physical activity or in hot weather.

Yes, flavored yogurt still contains water and contributes to hydration. However, many flavored yogurts contain high amounts of added sugar, which is not ideal for a healthy diet. Plain yogurt is the healthier option.

Yogurt contains electrolytes such as potassium and sodium. These minerals are lost through sweat and are crucial for the body's fluid balance. Replenishing them through food like yogurt aids in effective rehydration.

For simple rehydration, water is sufficient. However, for rehydrating after intense exercise, yogurt provides a beneficial combination of water, electrolytes, protein, and carbohydrates, all of which aid in better recovery and fluid retention than plain water alone.

Probiotics in yogurt are known to support digestive health, which can have an indirect positive effect on overall well-being. While they don't directly hydrate you, a healthy gut contributes to better absorption and overall bodily function.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.