- Easy
- 5 min
- 1 serv.
- 5 synergies
- Now at its best: Honey
A creamy smoothie made with chilled kefir, blueberries, banana and ground flaxseed, with a handful of spinach that melts quietly into the background. The result is thick, fresh and easy to drink, with just enough sweetness to let the berries shine.
This smoothie feels like a chilled breakfast glass that is both soft and lively. Kefir brings a lightly tangy dairy note, banana rounds out the sip, and blueberries add that deep berry flavour that makes everything instantly inviting. Spinach and flaxseed quietly build body in the background without pushing away the fruit. What remains is a glass that is creamy enough to feel satisfying, yet fresh enough to open the day with ease.
- 5
- min prep
- 0
- min cook
- 5
- min total
Nutritional Synergies
This recipe combines ingredients that enhance each other:
Ripe banana 
Blueberries Potassium + anthocyanins for normal blood pressure and antioxidants
Technical: Banana provides 358mg potassium per 100g — potassium contributes to the maintenance of normal blood pressure (EFSA). Blueberries contain anthocyanins that cross the blood-brain barrier. Together they provide potassium and antioxidants.
What does this mean for you? The perfect smoothie base: banana for creaminess and energy, blueberries for antioxidants. Ideal as breakfast or pre-workout.
HeartFocusEnergy
Ripe banana 
Honey Quick + slow sugars with potassium for sport and recovery
Technical: Banana contains 358mg potassium and 22g carbohydrates (mix of glucose, fructose, sucrose). Honey provides quick glucose + fructose plus prebiotic FOS. The combination offers immediate energy (honey) plus slower energy (banana starch) and electrolytes (potassium).
What does this mean for you? Banana with honey is an ideal pre- or post-workout snack. The potassium prevents muscle cramps, the sugars replenish glycogen.
EnergyMuscle GainDigestion
Chilled kefir Ripe banana Smoothie base: probiotics + prebiotic FOS + potassium
Technical: Kefir contains 30+ bacterial strains and yeasts (more diverse than yogurt). Banana contains fructo-oligosaccharides (FOS, prebiotics) that feed kefir bacteria, plus 358mg potassium per 100g. The combination forms a 'synbiotic' — pre- and probiotics together.
What does this mean for you? Blend kefir with banana for a powerful smoothie. Add chia seeds for extra fiber and omega-3.
DigestionEnergy
Chilled kefir Blueberries Polyphenols support probiotics
Technical: Kefir contains 30-50 different bacterial and yeast strains — much more diverse than yogurt. Blueberries' polyphenols (anthocyanins) are prebiotic: they are fermented by gut bacteria into bioactive metabolites that promote growth of beneficial strains. This further strengthens kefir's already diverse microbiome.
What does this mean for you? Mix blueberries into your kefir as breakfast or smoothie. The berries feed the rich bacterial culture in kefir — a synbiotic combination for your gut flora.
DigestionImmune System
Fresh spinach 
Ground flaxseed ALA omega-3 + iron and folate: essential nutrients
Technical: Spinach provides iron (2.7mg/100g) — iron contributes to normal cognitive function (EFSA-approved) — and folate (194μg/100g). Flaxseed contains 23g ALA omega-3 per 100g supporting neuronal membranes. Omega-3 fatty acids also modulate gut permeability which can influence iron absorption.
What does this mean for you? Add ground flaxseed to spinach smoothies or salads. Iron contributes to normal cognitive function, ALA omega-3 is essential for cell membranes. Use ground flaxseed — whole seeds pass through undigested.
FocusEnergyHeart
Ingredients (6)
+4 more ingredientsInstructions
- 1 Add the kefir, spinach and banana to a blender and blend briefly first, until the spinach is fully broken down into the base.
Nutrition per serving
Indicative values per serving.
Timing & Suitability
Shelf life: 1 days in fridge
Tags & Diet
Allergens: Dairy