Green Detox Smoothie

Featured in: Flour-Warm Cozy Plates

This vibrant green detox smoothie combines crisp romaine and nutrient-dense spinach with naturally sweet frozen banana and fresh apple. A splash of lemon juice brightens the blend while mint leaves add refreshing notes. Chia seeds provide omega-3s and a subtle texture, making this a complete morning beverage in just 5 minutes.

Updated on Wed, 21 Jan 2026 12:00:00 GMT
A tall glass of vibrant green detox smoothie, garnished with fresh mint and chia seeds, served for a refreshing morning beverage. Pin it
A tall glass of vibrant green detox smoothie, garnished with fresh mint and chia seeds, served for a refreshing morning beverage. | flourharbor.com

My roommate Sarah used to make these every single morning during finals week, claiming they were the only thing keeping her brain functional. She was right. The first time I tried one, I was shocked something so green could taste genuinely refreshing.

Last summer I started blending these for my dad, who is suspicious of anything green and leafy. Now he asks for them by name. The trick is the mint and lemon combo, which cuts through any grassiness from the greens.

Ingredients

  • Romaine heart: Milder than kale and blends into nothingness, making it perfect for green smoothie beginners
  • Baby spinach: Packs iron and nutrients without overpowering the fruit flavors
  • Frozen banana: Essential for that milkshake texture and natural sweetness
  • Apple: Adds fresh sweetness and body, plus extra fiber to keep you full
  • Lemon juice: Brightens everything and helps your body absorb all those greens nutrients
  • Fresh mint: The secret ingredient that makes this taste spa-fresh instead of swampy
  • Chia seeds: Thicken the drink slightly and add omega-3s and lasting energy
  • Filtered water: Keeps it light and clean-tasting, though coconut water works too

Instructions

Product image
Whisk eggs, batters, sauces, and cream smoothly for baking, cooking, and everyday meal prep.
Check price on Amazon
Load up your blender:
Toss in the romaine, spinach, frozen banana, apple chunks, lemon juice, mint leaves, and chia seeds. Layering greens first helps them blend more smoothly.
Add the liquid:
Pour in your filtered water, starting with less if you prefer a thicker consistency. You can always add more.
Blend until smooth:
Start on low to break down the greens, then crank it to high for 1 to 2 minutes until completely silky. Stop and scrape down sides if needed.
Taste and tweak:
Give it a quick taste test. Need more brightness? Squeeze in more lemon. Too tart? Add another apple slice.
Serve immediately:
Pour into tall glasses and drink right away while it is at its freshest. The chia will continue thickening as it sits.
Product image
Whisk eggs, batters, sauces, and cream smoothly for baking, cooking, and everyday meal prep.
Check price on Amazon
This homemade vegan green detox smoothie features chunks of apple and banana, blending into a creamy, nutrient-packed drink. Pin it
This homemade vegan green detox smoothie features chunks of apple and banana, blending into a creamy, nutrient-packed drink. | flourharbor.com

This smoothie became my go-to recovery drink after weekend trips when I would inevitably eat my weight in vacation food. Something about all that hydrating water and gentle greens makes me feel human again.

Making It Your Own

The beauty here is how adaptable it is. I have swapped spinach for kale when that is what I had in the fridge, and added cucumber on hot days for extra cooling power. Sometimes I throw in a scoop of protein powder after morning workouts.

Texture Secrets

The difference between good and great comes down to your blender and frozen elements. That frozen banana is doing heavy lifting for creaminess, but I have also discovered that a quarter avocado makes it insanely luxurious without tasting like guacamole.

Meal Prep Magic

Busy mornings call for smart preparation. You can portion all the dry ingredients into freezer bags, then just dump, add water, and blend when you are half-awake and need something fast.

  • Prep multiple bags on Sunday for grab and blend breakfasts all week
  • Freeze ingredients in a single layer first so they do not become one solid block
  • Add liquid in the morning, never the night before, or everything will separate
Product image
Grill, air fry, roast, and bake perfectly cooked meats and meals indoors with less smoke.
Check price on Amazon
Ready to drink green detox smoothie in a clear mason jar, showcasing its bright color and satisfying texture. Pin it
Ready to drink green detox smoothie in a clear mason jar, showcasing its bright color and satisfying texture. | flourharbor.com

Here is to starting more mornings with something that makes your body feel as good as your tastebuds do.

Recipe FAQs

Can I make this green detox smoothie ahead of time?

For optimal freshness and nutrition, blend and enjoy immediately. The ingredients oxidize over time, affecting both color and taste. If needed, prepare components the night before and blend fresh in the morning.

What substitutions work for the frozen banana?

Frozen mango or pineapple create similar creaminess and sweetness. For lower sugar options, use additional avocado or frozen zucchini, which add thickness without altering the flavor profile significantly.

How can I make this smoothie more filling?

Add plant-based protein powder, Greek yogurt, or additional avocado. A tablespoon of nut butter or hemp seeds also increases satiety while complementing the existing flavors naturally.

Why use frozen instead of fresh banana?

Frozen bananas create a thicker, creamier texture and eliminate the need for ice. They also provide natural sweetness and chill the beverage, making it perfectly refreshing without watering down the flavor.

Can I use other leafy greens besides romaine and spinach?

Kale, Swiss chard, or mixed spring greens work beautifully. Keep in mind that heartier greens like kale may require slightly longer blending time to achieve complete smoothness.

What type of blender works best for this smoothie?

A high-speed blender breaks down leafy greens and chia seeds most effectively. Standard blenders work but may require additional blending time and stopping to scrape down sides for complete integration.

Green Detox Smoothie

A refreshing blend of leafy greens, fruits, and chia seeds for a revitalizing start to your morning.

Prep Time
5 mins
0
Total Duration
5 mins
Created by Brooke Ward


Skill Level Easy

Cuisine International

Makes 2 Portions

Diet Preferences Plant-Based, No Dairy, Free from Gluten

Ingredient List

Greens

01 1 romaine heart, chopped
02 1 cup baby spinach, packed

Fruits

01 1 frozen banana, sliced
02 1 medium apple, cored and chopped
03 Juice of 1/2 lemon

Herbs & Seeds

01 5–6 fresh mint leaves
02 1 tablespoon chia seeds

Liquid

01 1 1/2 cups filtered water

Directions

Step 01

Combine Ingredients: Add the romaine heart, baby spinach, frozen banana, apple, lemon juice, mint leaves, and chia seeds to a high-speed blender.

Step 02

Add Liquid: Pour in the filtered water.

Step 03

Blend: Blend on high until completely smooth, about 1–2 minutes.

Step 04

Adjust Seasoning: Taste and adjust lemon or mint as desired.

Step 05

Serve: Pour into glasses and enjoy immediately.

Equipment Needed

  • High-speed blender
  • Knife
  • Measuring cups and spoons

Allergy Details

Read each ingredient label for allergens and talk to a healthcare provider if unsure.
  • Contains chia seeds (possible cross-reactivity for those with sesame allergies). Check chia seed and plant labels for possible nut or gluten cross-contamination.

Nutrition info (per serving)

Nutrition stats are for reference and don't serve as medical advice.
  • Calories: 110
  • Fat Content: 2.5 g
  • Carbohydrates: 24 g
  • Protein: 3 g