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Home » Smoothie Recipes » High Protein Smoothies

Spinach Protein Smoothie - 23g Protein & High In Vitamin K

Published: Aug 5, 2025 · Modified: Sep 2, 2025 by Amber Sagal · This post may contain affiliate links · Leave a Comment

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If you’re searching for a delicious way to boost your protein intake while sneaking in some greens, this spinach protein smoothie is the perfect match. Made with fresh baby spinach, creamy mango, and a naturally sweetened and subtle vanilla protein powder, this smoothie combines nutrition and flavour in every sip.

Creamy spinach protein smoothie in a glass cup with handle on wooden counter, black and white tea towel, and bowl of frozen mango in background.

Whether you’re after a quick breakfast, a post-workout refuel, or just a healthy snack, this protein spinach smoothie will satisfy your taste buds and fuel your body.

What makes this smoothie stand out among other smoothie recipes with spinach is the balance of sweetness and creaminess without overwhelming “green” flavours. Using frozen mango and a touch of lemon juice adds natural brightness, while hemp seeds provide healthy fats and an extra creamy texture.

The plant-based Truvani Vanilla powder ensures you get a good protein boost without overpowering your smoothie as it is sweetened with organic monk fruit juice, which tastes much better than stevia-sweetened powders that often overpower the smoothie’s flavor. To enhance the vanilla notes even more, I add an extra teaspoon of vanilla extract.

Top-down view of spinach protein smoothie ingredients: spinach, frozen mango, protein powder, soy milk, lemon juice, vanilla extract, hemp seeds.

Spinach Protein Smoothie Ingredients

  • 1 cup frozen mango chunks
  • 1½ cups baby spinach, loosely packed
  • ½ scoop Truvani plant based protein powder - vanilla
  • 1 tablespoon hulled hemp seeds
  • 1 teaspoon pure vanilla extract
  • 2 tablespoons fresh lemon juice
  • ¾  cup unsweetened soy milk
  • 4 ice cubes

Instructions

  1. Add the spinach to the blender first to help it blend smoothly.
  2. Add the remaining ingredients on top.
  3. Blend on high until smooth and creamy.

Pro Tip: I usually don’t add more than half a scoop of plant protein powder to my smoothies because anything more can make the texture grainy or overpower the natural smoothie flavor, and I’m all about the best taste and smoothest texture. To boost protein and healthy fats without compromising flavor, try adding an extra tablespoon of hemp seeds or half a scoop of collagen powder instead.

If you love protein-packed green smoothies, you’ll also enjoy my kale protein smoothie. It’s creamy, citrusy, and perfect for post-workout recovery.

Inspired by this high protein smoothie recipe? Save the image below to Pinterest for quick access anytime!

Spinach protein smoothie in a glass cup on wooden counter with black and white tea towel, text overlay reads ‘Spinach Protein Smoothie – Healthy, Creamy & Delicious’

Spinach Protein Smoothie Nutritional Info (per full recipe):

  • Calories: 308
  • Net Carbohydrates: 27g
  • Protein: 23g
  • Fat: 11g

Top 5 Vitamins and Minerals per Daily Value in the High Protein Spinach Smoothie

  • Vitamin K
  • Vitamin C
  • Folate
  • Iron
  • Copper

Fun Fact: This spinach protein smoothie recipe is high in vitamin K1 (phylloquinone), which is the form of vitamin K primarily found in leafy green vegetables like spinach. Spinach is one of the richest sources of vitamin K1, contributing to the very high vitamin K content in this smoothie.

A review of studies on vitamin K1 and bone health found that people eating more vitamin K1 have a lower risk of bone fractures! Vitamin K1 activates osteocalcin, a protein that binds calcium to bones, supporting bone mineralization and helping maintain strong, healthy bones. This means including spinach in your smoothie not only tastes great but may also support healthier, stronger bones!

This high protein green smoothie is a refreshing, naturally sweet green smoothie made with mango, spinach, and a bright pop of lemon. It is ultra creamy with soy milk and hemp seeds and lightly flavored with vanilla for the best tasting high protein spinach smoothie… at least in my books. 

The spinach protein smoothie is packed full of the essential amino acids, fats, and is high in many vitamins and minerals. It is exceptionally high in vitamin K1, which is beneficial for blood clotting and bone health. Truvani vanilla protein powder, hemp seeds, and soy milk combined all help to boost the protein content in this smoothie with a total of 23 grams.

📖 Recipe

Creamy spinach protein smoothie in a glass cup with handle on wooden counter, black and white tea towel, and bowl of frozen mango in background.

Spinach Protein Smoothie - 23g Protein & High In Vitamin K

This subtly flavored spinach protein smoothie is ultra creamy, lightly sweet, and packed with plant-based nutrients. Made with frozen mango, soy milk, vanilla protein powder, and lemon juice, it's a delicious way to get in more greens and protein into your diet!
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Prep Time 5 minutes mins
Total Time 5 minutes mins
Servings: 1
Course: smoothies
Calories: 308
Ingredients Equipment Method Nutrition

Ingredients
  

  • 1 cup frozen mango
  • 1.5 cups baby spinach
  • ½ scoop Truvani plant based protein powder - vanilla
  • 1 tbsp hemp seeds
  • 1 tsp vanilla extract
  • 2 tbsp lemon juice
  • ¾ cup soy milk
  • 4 ice cubes

Equipment

  • 1 Vitamix blender
  • 1 Measuring cups

Method
 

  1. Add the spinach to the blender first to help it blend smoothly, then add the remaining ingredients on top.
  2. Blend on high until smooth and creamy.

Nutrition

Calories: 308kcalCarbohydrates: 33gProtein: 23gFat: 11gSaturated Fat: 2gPolyunsaturated Fat: 6gMonounsaturated Fat: 2gSodium: 217mgPotassium: 924mgFiber: 5gSugar: 24gVitamin A: 7300IUVitamin C: 80mgCalcium: 63mgIron: 2.7mg

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More [High Protein Smoothies]

  • Peach protein smoothie made with frozen peaches, banana, soy milk, protein powder, and spices in a glass with a metal straw
    Peach Protein Smoothie | Creamy, Healthy & Dessert-Like
  • Glass jar filled with a thick and creamy mango protein smoothie, served with a stainless steel straw, a bowl of fresh mango chunks, a patterned cloth napkin, and a decorative plant in the background.
    Mango Protein Smoothie | 30g Protein & Healthy
  • Green kale protein smoothie served in a glass mason jar with a metal straw, placed on a wooden surface next to fresh kale leaves and a pink textured cloth.
    Kale Protein Smoothie | Vegan, Healthy & Tasty

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Spinach protein smoothie in a glass cup on wooden counter with black and white tea towel, text overlay reads ‘Spinach Protein Smoothie – Healthy, Creamy & Delicious’