Ready to try plant-based? Do these 5 things first!

grab it!

Easy Spirulina Smoothie With 20 Grams of Protein (Vegan)

I’m Kayli Anderson, dietitian and natural foods chef. PBM is your headquarters for empowering, woman-centered plant-based nutrition and lifestyle guidance. 

learn more




Pregnancy & Mama



free mini course!

Intuitive Eating

get it!

learn with me

Plant-Based Basics
For Women

My signature course that teaches you how to stop dieting, meet your nutrition needs, & put plant-based eating into practice. 

join the course

Welcome to Plant-Based Mavens! 


The supplement guide


The Plant-based Meal Plan Guide

Get it

Your Fertility Checklist

grab it

want more free goodies?

get them all

Curious about the beautiful blue-green hued spirulina powder that you see added to smoothies, juices, and energy bites? In this article, we’re talking about what spirulina is, why you should try it, and how to make a delicious, easy spirulina smoothie.

What is Spirulina?

Spirulina is a type of blue-green algae that is often considered one of the most nutritious foods on the planet. It is a complete source of protein, containing all essential amino acids. Spirulina is rich in vitamins, minerals, and antioxidants too.

Some of the potential health benefits of spirulina include reducing inflammation, improving gut health, lowering blood sugar levels, and lowering cholesterol. Its high antioxidant content means it can help protect the body against oxidative stress and damage from free radicals.

Some people take spirulina as a supplement in the form of powder or tablets, but it can also be incorporated into recipes like smoothies for a delicious and nutritious boost. This is how I prefer to experience its benefits! Adding spirulina to your routine can be a great way to increase your intake of essential nutrients and support your overall health and well-being. Plus, its a fun ingredient to experiment with!

What does spirulina taste like?

Spirulina has a strong algae flavor. It can taste a bit like seaweed, which may not be appealing to everyone’s palate. However, there are ways to mask the taste of spirulina in a smoothie. Personally, I don’t think the taste is that strong and can’t even detect it in a fruit-filled smoothie.

If you prefer a light and neutral flavor in your spirulina smoothie, you can try using blue spirulina instead of green spirulina. Blue spirulina is an extract that doesn’t have a “fishy” algae flavor that some people dislike in green spirulina. Despite the different color, blue spirulina has the same nutrient profile as green spirulina, making it a great alternative for those looking to avoid the strong algae taste.

Related:  Easy Homemade Nut Milk

When adding spirulina to your smoothie, I suggest starting with just one teaspoon per serving. This amount allows you to enjoy the benefits of spirulina without overwhelming your taste buds with the seaweed-like flavor. You can always adjust the amount of spirulina to suit your preferences, but keep in mind that adding too much spirulina may make it harder to mask the flavor with other ingredients.

Overall, the taste of spirulina can be easily masked with fruits, vegetables, and other ingredients in a smoothie. By experimenting with different flavor combinations, you can create a delicious and nutritious spirulina smoothie that suits your taste preferences.

How To Choose The Best Spirulina

When it comes to choosing the best spirulina for your smoothies and overall health, there are a few key factors to consider. Here are some tips to help you select high-quality spirulina:

  1. Look for Organic: Opt for organic spirulina to ensure that it has been grown without the use of synthetic pesticides or fertilizers. Organic spirulina is also less likely to be contaminated with harmful substances.
  2. Check the Source: Spirulina is grown in water, so it is susceptible to contamination from things like mercury and heavy metals. It’s really important to choose a reputable brand that provides information on where their spirulina is sourced from. Look for brands with transparent sourcing information and third-party testing.
  3. Check the Color: High-quality spirulina should have a vibrant blue-green color. Avoid spirulina that appears dull or brownish, as this may indicate oxidation or contamination.

Is Spirulina Healthy?

Spirulina is indeed healthy and nutritious. Its deep green color indicates a high nutrient content. It is a source of protein, vitamins, essential fatty acids, and antioxidants. Spirulina has been shown to help detoxify the body of heavy metals, lower cholesterol levels, lower blood pressure, balance blood sugar, and improve performance for runners. No single food is going to transform your health, but adding spirulina to a nutritious plant-based eating pattern may give you a boost.

Health Benefits of Spirulina

Spirulina is a nutrient-dense superfood that offers a wide range of health benefits. Some of the key benefits of spirulina include:

  1. Provides Plant-based Protein: Just 1 tablespoon of spirulina contains 4 grams of protein! Although it’s typically eaten in small quantities, it packs a serious protein punch.
  2. Rich in Nutrients: Spirulina is a source of protein, vitamins, minerals, and antioxidants, making it a highly nutritious addition to your diet.
  3. Boosts Immune System: The powerful antioxidants present in spirulina help strengthen the immune system and protect the body against infections and diseases.
  4. Anti-Inflammatory Properties: Spirulina contains anti-inflammatory compounds that may help reduce inflammation in the body and alleviate symptoms of inflammatory conditions.
  5. Detoxifies the Body: Spirulina is known for its detoxifying properties, helping to cleanse the body of heavy metals and toxins.
  6. Supports Heart Health: Studies suggest that spirulina may help lower cholesterol levels and blood pressure, reducing the risk of heart disease.
  7. Enhances Energy Levels: The high protein content in spirulina can help boost energy levels and improve overall stamina and endurance.
  8. Promotes athletic performance: Spirulina may increase the oxygen-carrying capacity of the blood, making it easier for runners to go longer before fatiguing.

How To Make a Spirulina Smoothie

To make a spirulina smoothie, you will need just a few key ingredients and a blender. Remember to start with a small amount of spirulina powder and adjust to your taste preferences. Spirulina has a slight seaweed taste, so you may want to start with a teaspoon and add more as desired. And feel free to customize your smoothie with other fruits, greens, and ingredients you love. Here is a step-by-step guide on how to make a delicious and nutritious spirulina smoothie.

Easy Spirulina Smoothie (Vegan)

Easy Spirulina Smoothie (Vegan)
Yield: 1
Author: Kayli Anderson MS RDN
Prep time: 10 MinTotal time: 10 Min
The easiest vegan spirulina smoothie with 20 grams of plant-based protein. Enjoy after a workout or as a meal.


  1. Add all ingredients to a blender. Blend until smooth, adding more liquid as needed to adjust consistency.

BTW, you might also like…

How to make your own acai bowl

The ultimate guide to protein for plant-based women


Browse the PBM Freebies Suite to grab all of our valuable women's health resources.


12 things to do now for a happy, healthy, and natural pregnancy.


A step-by-step guide to meal planning like a plant-based pro with simple, delicious recipes.


Everything you need to know to choose the right nutrition supplements for you!


While you're here...

Grab some freebies