Is it better to use water or milk in smoothies?

Smoothies have become an increasingly popular way to get a nutritious breakfast or snack on the go. Blending together fruits, vegetables, and other ingredients creates a thick, cold beverage that’s tasty and satisfying. When making a smoothie, one of the most basic ingredients is the liquid base. The two most common options are water and milk. But which one makes a better smoothie?

Nutritional Differences Between Water and Milk

The main nutritional differences between using water versus milk in smoothies are:

  • Water has no calories, fat, protein or carbs, while milk contains calories, fat, protein and lactose (milk sugar).
  • Milk provides calcium, vitamin D, vitamin A, vitamin B12, potassium and phosphorus. Water does not contain vitamins or minerals.
  • Non-fat or low-fat milk has less saturated fat and calories than whole milk.
  • Milk provides protein, making the smoothie more filling. Water smoothies rely solely on ingredients like fruits, veggies, yogurt, protein powder, etc. for protein.
  • People with lactose intolerance or milk allergies can safely use water instead.

Overall, milk adds more nutrients as well as protein, fat and calories compared to water. But the lower calorie content of water may be preferred by some.

Taste and Texture Differences

In addition to nutritional differences, using milk instead of water affects the taste and texture of smoothies in several ways:

  • Milk makes smoothies creamier, thicker and richer.
  • Milk provides natural sweetness, while water smoothies need more added sweetener like honey, dates or sugar.
  • Watery smoothies from too much water content tend to be thinner, icier and more diluted in flavor.
  • Milk helps blend ingredients smoothly and prevents separation, while water smoothies can risk separating if not blended well.
  • Some find milk smoothies more filling and satisfying than water-based versions.

So the consensus is milk results in a richer, creamier and sweeter smoothie texture and taste. But water smoothies can still taste great with proper ratios, thorough blending and added flavor boosters.

Calorie and Macronutrient Differences

Using milk instead of water significantly increases the calorie and macronutrient content of smoothies. Here’s a comparison of a 12oz strawberry banana smoothie made with either water or 2% milk:

Nutrition Facts Water Smoothie Milk Smoothie
Calories 97 233
Fat 0.5g 4.6g
Protein 2.1g 9.3g
Carbs 25.4g 36.4g

As you can see, the milk smoothie contains over twice as many calories, 9 times the fat, 4 times the protein and 50% more carbs. This is because milk naturally contains fat, protein and carbs while water does not. So if you’re trying to maintain lower calorie intake, water makes the healthier choice for smoothies.

Benefits of Using Water in Smoothies

Here are some of the main benefits of using water as the liquid base in smoothies:

  • Lower in calories and fat – Water adds no calories, fat or lactose sugar. Great if watching weight.
  • Allows ingredients to shine – Let’s the flavors of fruits, veggies and enhancements come through.
  • Reduces bitterness – Dilutes strong flavors from leafy greens, cocoa, etc.
  • Doesn’t overpower taste – More room to get creative with ingredients and flavors.
  • No lactose – Suitable for people with lactose issues.
  • Less thick/gloopy – Some people dislike the thick mouthfeel of milk-based smoothies.
  • More hydrating – The high water content is refreshing and thirst-quenching.
  • Easy to make dairy-free – Great for dairy-free, vegan or paleo diets.

Water smoothies do lack the protein, vitamins and thickness milk adds, but they make up for it in lower calories and versatility. Adding protein powder, chia seeds, avocado or nut butters can help enhance nutrition too.

Benefits of Using Milk in Smoothies

Here are some of the main benefits of using milk as the liquid base in smoothies:

  • Creamy, rich texture – Milk makes smoothies thicker, richer and smoother.
  • Enhances flavor – Adds natural sweetness to balance tart fruits and veggies.
  • Nutritious – Provides protein, calcium, vitamin D, vitamin A, vitamin B12 and more.
  • Filling – The protein and fat keep you satisfied longer than water-based smoothies.
  • Kid-friendly – Most kids love the sweet, creamy taste of milk smoothies.
  • Blends easily – Creates a well-incorporated and emulsified drink.
  • Prevents separation – Ingredients stay blended together instead of separating out.
  • Adds calories – Beneficial for underweight people needing more calories.

The nutrition, creaminess, flavor and filling qualities of milk make it a great choice if you don’t have any lactose or dairy issues. Just be aware the extra calories and saturated fat compared to water.

Tips for Making Smoothies with Water

It’s easy to make great tasting smoothies with water as the base liquid. Here are some tips:

  • Use ripe, sweet fruits and veggies to provide flavor since water dilutes taste.
  • Include banana, pineapple, mango, berries or other fruits.
  • Add a liquid sweetener like honey, maple syrup, agave or stevia.
  • Include fresh herbs like mint or basil to add flavor complexity.
  • Don’t over-dilute with too much water or the smoothie will be icy rather than creamy.
  • Use 1 cup water per 1-2 cups solid ingredients.
  • Add thickeners like banana, avocado, yogurt, nut butter or chia seeds.
  • Blend well to incorporate air for a light, smooth texture.
  • Add a squeeze of lemon or lime to brighten the flavors.
  • Top with crunchy extras like granola, nuts or seeds.

With the right ratios and ingredients, it’s easy to make flavorful smoothies with just water as the liquid. The possibilities are endless when you get creative.

Tips for Making Smoothies with Milk

Milk adds creaminess and sweetness to smoothies but beware adding too much. Here are some tips for using milk in smoothies:

  • Use 1/4 to 1/2 cup milk per 1 cup of fruits/veggies.
  • Low-fat or skim milk has fewer calories than whole milk.
  • Non-dairy milks like almond, coconut, oat or soy work for lactose-free diets.
  • Add ice to thicken instead of too much milk.
  • Include bananas, mangos, avocados, yogurt or nut butters to add extra creaminess.
  • Sweeten to taste with honey, maple syrup, dates, vanilla extract, etc.
  • Stick to 1-2 servings of fruit to avoid excess sugar.
  • Add spinach, kale or other greens for nutritional balance.
  • Top with seeds, nuts or shredded coconut for crunch.
  • Blend well until smooth and creamy.

With the right blend of fruits, veggies and enhancements, milk smoothies don’t need to be overly heavy, sweet or rich. Aim for balance.

Possible Downsides of Milk in Smoothies

While milk adds benefits like protein, nutrients and creaminess to smoothies, there are some potential downsides to consider as well:

  • Higher in calories and fat – Whole milk especially increases total calories, saturated fat and weight gain risk.
  • Contains lactose – Problematic for people with lactose intolerance.
  • Possible sensitivity – Some experience phlegm, congestion or acne from dairy.
  • Not vegan or dairy-free – Milk smoothies don’t suit plant-based or dairy-free diets.
  • Can separate when blended – Milk smoothies need thorough blending to stay emulsified.
  • Mutes bright flavors – Milk fats coat the palate and reduce vibrant fruit and veggie flavors.
  • Adds grocery costs – Milk is an added grocery expense compared to free tap water.

While nutritious in moderation, people worried about weight, lactose intolerance or food sensitivities may do better sticking with water smoothies. But there are always non-dairy milk alternatives too.

Non-Dairy Milk Options for Smoothies

For people avoiding regular dairy milk, there are many plant-based milk options to use in smoothies instead:

  • Almond milk – Low calories and creamy texture. Add plain unsweetened kind.
  • Coconut milk – Rich and creamy while still dairy-free. Use light coconut milk.
  • Oat milk – Naturally sweeter and creamier than water. Contains fiber.
  • Soy milk – Protein-rich and has a similar consistency to skim milk.
  • Rice milk – Thinner than other milks so may need ice or bananas to thicken.
  • Hemp milk – Nutty flavor. Contains omega-3s and protein but thin consistency.

Each non-dairy milk brings its own benefits, flavors and textures to smoothies. Combining a couple kinds can provide a great consistency too. Just beware added sugars in flavored varieties.

Smoothie Ingredients That Work Well With Water or Milk

Certain fruits, veggies and mix-ins work equally well in smoothies whether you use water or milk as the base. Here are some of the most versatile ingredients:

  • Bananas – Provide creaminess, texture and natural sweetness.
  • Spinach and kale – Leafy greens add nutrients without strong flavors.
  • Frozen berries – Blend easily and add creamy texture from freezing.
  • Pineapple – Sweetness balances milk or dilutes water.
  • Mango – Tropical flair and sweetness.
  • Nut butters – Creamy texture, healthy fats and protein.
  • Chia seeds – Gel to thicken either milk or water smoothies when blended.
  • Ground flaxseed – Thickening power and omega-3s.
  • Vanilla – Universal flavor enhancer.
  • Cinnamon – Warming spice flavor for milk or water smoothies.

Sticking with versatile ingredients guarantees a great tasting smoothie whether you prefer the benefits of milk or water. Other liquids like juice or coconut water can work too.

Smoothie Recipes Using Water

Here are 3 nutritious and delicious smoothie recipes using water as the liquid base:

1. Berry Banana Protein Smoothie

  • 1 cup water
  • 1 banana
  • 1 cup frozen mixed berries
  • 2 tablespoons peanut butter
  • 1 scoop vanilla protein powder
  • 1 tablespoon ground flaxseed
  • Ice cubes if desired

2. Green Pineapple Smoothie

  • 1 cup water
  • 1 cup pineapple chunks
  • 1 cup baby spinach
  • 1/4 avocado
  • 1 tablespoon lime juice
  • 1 teaspoon honey or agave nectar
  • Ice cubes if desired

3. Banana Oat Smoothie

  • 1 cup water
  • 1 banana
  • 1/4 cup rolled oats
  • 1 tablespoon almond butter
  • 1 teaspoon cinnamon
  • 1 teaspoon vanilla
  • 3-4 ice cubes

Water allows the fresh flavors to shine through in these recipes while keeping calories low. Add protein powder, nut butters or oats if you want to increase the filling factor.

Smoothie Recipes Using Milk

Here are 3 indulgent smoothie recipes using milk as the liquid base:

1. Chocolate Peanut Butter Banana Smoothie

  • 1/2 cup milk of choice
  • 1 banana
  • 2 tablespoons cocoa powder
  • 2 tablespoons peanut butter
  • 1 teaspoon vanilla
  • 3-5 ice cubes

2. Strawberry Almond Smoothie

  • 1/2 cup almond milk
  • 1 cup frozen strawberries
  • 2 tablespoons almond butter
  • 1 teaspoon honey or maple syrup
  • 1/2 teaspoon almond extract
  • Ice cubes as needed

3. Vanilla Latte Smoothie

  • 1/2 cup milk of choice
  • 2 shots espresso
  • 1 tablespoon vanilla
  • 1 teaspoon cinnamon
  • 1 banana
  • 3-4 ice cubes

Milk adds rich creaminess to these smoothie recipes, making them feel like a indulgent treat. Play around with different dairy or non-dairy milks.


Both water and milk have their pros and cons when used as smoothie bases. Water provides a light, refreshing and calorie-controlled smoothie base that allows for endless ingredient combinations. Milk adds protein, nutrients and a rich, creamy texture but also significantly increases calories, fat and sugar content. For most balanced nutrition and versatility, water makes the healthier overall choice. But milk can be used moderately in smoothies, or substituted with low-fat dairy or plant-based milks. Whichever liquid you prefer, smoothies provide a delicious way to pack nutrients into your diet.

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