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Simple Smoothie Add-Ins That Will Supercharge Your Diet

Smoothie add-ins can take your diet to the next level!

In this article, we’ll explore several nutrient-dense additions to transform your ordinary smoothie into a nutritional powerhouse!

3 smoothies in mason jars surrounded by a variety of fruits.
Smoothie add-ins allow for variety of smoothie flavors!

Smoothie Add-Ins Explained

Add-ins are supplemental ingredients that enhance the nutritional value, flavor, and texture of your smoothie.

These healthy additions to smoothies are typically rich in vitamins, minerals, fiber, healthy fats, protein, and other beneficial compounds.

You can incorporate a variety of healthy smoothie add-ins to suit your specific dietary needs and preferences.

Read on to learn more about the best things to put in smoothies!

Woman making a smoothie in a blender.
Enjoy your favorite fruits and vegetables in smoothies!

Categories of Healthy Smoothie Add-Ins

Below are nine categories of add-ins for nutrient-dense smoothies:

  1. Fruit
  2. Greens
  3. Nuts & nut butter
  4. Seeds
  5. Dairy & dairy alternatives
  6. Liquids
  7. Grains
  8. Powders
  9. Natural sweeteners
A variety of healthy smoothie add-ins displayed beautifully.
A variety of foods can be add-ins for smoothies.

1. Best Fruits for Smoothies

The best fruits for your smoothies depend on your taste preferences and the flavor combinations you enjoy!

Frozen fruits are an excellent option for smoothies. You can purchase frozen fruit or freeze your fresh fruit for smoothies when it gets too ripe.

Below are fruits that will produce a tasty, high fiber smoothie:

  • Berries
  • Bananas
  • Pineapple
  • Mango
  • Peaches
  • Grapes
  • Watermelon
A variety of fruits in 2 white heart-shaped bowls.
Fruit is high in fiber making it a heart healthy add-in!

Don’t be afraid to mix different fruits together like this “Easy Cranberry Mango Smoothie” from Dietitian Melissa Altman-Traub at Plant-Based Nutrition.

2. Healthy Greens for Smoothies

Add greens to your smoothie to boost its vitamins, minerals, and fiber content!

Below are some greens that work well as a smoothie add-in:

3 types of leafy green smoothie add-ins.
Add greens to your smoothie for a nutritional boost!

Spinach is an excellent source of iron, which plays a crucial role in oxygen transport and energy production.

This “Tropical Mango Iron-Rich Smoothie” from Nourished by Nic is packed with smoothie add-ins, including iron-rich spinach!

3. Nuts & Nut Butter as Smoothie Add-Ins

Nuts and nut butter are excellent additions to smoothies! They bring a delightful flavor, healthy fats, protein, and a satisfying texture.

Using whole nuts will require a heavy-duty blender to ensure a smooth texture.

Nut butter is easier to incorporate and blend into a smoothie mixture.

Below are some nuts and nut butter to consider:


  • Almonds
  • Walnuts
  • Cashews
  • Pecans
  • Hazelnuts
  • Pistachios

Cashews help to thicken and smooth out the texture of a smoothie.

Check out this cashew-packed smoothie from The Healthy Epicurean – “Strawberry Banana Cashew Smoothie.

Nut Butter

  • Almond butter
  • Peanut butter
  • Cashew butter
  • Sunflower seed butter
  • Hazelnut butter
4 jars of various nut butters surrounded by various nuts.
Nuts & nut butters add healthy fat and protein to smoothies.

If you like peanut butter, you’ll love this Age-Defying Dietitian smoothie – “Anti-Aging Drink with Peanut Butter and Bananas“.

4. Healthy Seeds for Smoothies

Incorporate seeds into your smoothies for a boost of healthy fats, fiber, and protein!

Grind them or choose varieties that are easily digested like chia and hemp seeds.

Below are some healthy seed options:

White bowl of chia seeds
Chia seeds are a quick way to add nutrients to your smoothie.

Flaxseeds are rich in omega-3 fatty acids that support heart health.

This “Berry High Fiber Smoothie” from Nourished by Nic packs in 16g of fiber with no added sugar!

5. Dairy & Dairy Alternatives as Smoothie Add-Ins

There are various dairy and dairy alternatives, you can add to smoothies for creaminess, flavor, and added nutrients.

Here are some dairy and dairy alternatives that make for great additions to smoothies:

  • Greek yogurt
  • Regular yogurt
  • Coconut yogurt
  • Cottage cheese
  • Kefir
  • Silken tofu
  • Avocados
Greek yogurt in white bowl with a white spoon laid next to the bowl.
Greek yogurt is a high-protein food to add to smoothies.

Avocados add a velvety texture without added dairy.

Want to learn more about milk for smoothies? Check out our post on The Best Milk for Smoothies.

6. Liquids for Smoothies

Liquids are an essential component of smoothies. They help to blend the ingredients smoothly to create your desired consistency.

They also may provide additional vitamins, minerals, and protein.

Below are some liquids to add to your smoothies:

  • Water
  • Cow’s milk
  • Plant-based milk (almond, cashew, soy, coconut)
  • Fruit juice
  • Green tea
4 glasses of plant based milks for smoothie add-ins
Plant-based milks are a good option for smoothies.

Coconut milk is a plant-based dairy alternative for smoothies.

This smoothie from Dietitian Moushumi uses coconut milk for a liquid base – “Aloe Vera Smoothie”.

7. Healthy Grains as Smoothie Add-Ins

Add healthy grains to your smoothies for extra fiber, complex carbohydrates, and a unique texture.

Some grains, like brown rice, are better if they are pre-cooked.

Grains will alter the texture of your smoothie, therefore, you may need to adjust your liquid.

Below are some grain suggestions for your next smoothie:

Smoothie bowls are also a delicious and nutritious option. Check out this Age-Defying Dietitian blog post on smoothie bowls – “The Ultimate Guide to Smoothie Bowl Toppings”.

Bowl of oats; smoothie add-in
Oats add a unique texture to smoothies.

Granola adds texture, crunch, and nutrients to smoothies.

If you enjoy granola, you’ll love this “Smoothie with Granola and Frozen Berries” from Nourished Nutrition.

8. Smoothie Powders

Add powders to your smoothie for a concentrated source of nutrients, flavor, and texture!

Moreover, adding fiber to smoothies is quick and easy with certain powders. This is true for added protein too!

Below are some smoothie powder options:

Woman adding protein powder to a container.
Adding protein to smoothies is simple with protein powder.

Are you interested in reaping the benefits of collagen peptides?

Check out this Age-Defying Dietitian Tropical Microgreens Smoothie with Collagen Peptides featuring Vital Proteins Collagen Peptides.

9. Sweeteners for Smoothies

Incorporate a touch of sweetness into your smoothies with natural sweeteners.

Start with a small amount and adjust as needed to achieve your desired sweetness.

Keep in mind that fruits already contain natural sugars that contribute to the sweetness of your smoothie.

Here are some natural sweeteners to consider:

Bowl of honey, a smoothie add-in that provides a touch of sweetness.
Honey adds a touch of sweetness to smoothies!

Dates are a nutritious natural sweetener packed with fiber, vitamins, and minerals.

Check out this “Smoothie for Gut Health” featuring the goodness of dates from Menopause Better.


Healthy add-ins can transform your smoothie into a nutrient-packed powerhouse!

From fruits and vegetables to almond milk and bee pollen, the options for add-ins are virtually limitless.

Get creative and explore new foods and flavors to make smoothies a delightful addition to your wellness routine!

Woman drinking a green smoothie.
Smoothies are the perfect way to fuel your day!

Hungry for More?

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*Please note this blog post contains affiliate links. As an Amazon Associate, I earn a small commission from qualifying purchases.

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