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Move over, kefir! There’s a new probiotic sheriff in town. Filmjölk is a traditional Swedish milk drink that boasts beaucoup health benefits. It’s a delicious and nutritious source of:

  • probiotics
  • potassium
  • calcium
  • protein

Here are the dairy deets, plus how to DIY filmjölk at home.

Filmjölk (aka fil) is a fermented dairy drink that hails from Sweden. It’s massively popular in Nordic countries and is starting to trend across Europe and North America.

Variations of filmjölk have been around for a super long time. Like… Viking-era status. While it’s come a long way since the 11th century, it’s still a simple mix of milk and bacteria (e.g., Leuconostoc mesenteroide and Lactococcus lactis).

Filmjölk is a type of mesophilic yogurt. That means it’s fermented at room temp. This process creates an organic compound called Diacetyl which has a distinct buttery flavor. It’s usually less sour than yogurt and has a very drinkable consistency.

Here’s how filmjölk fares when compared to other popular dairy products.

Filmjölk, plainYogurt, plain, low fatGreek yogurt, plain, low fatKefir, plain, low fat
calories34 kcal63 kcal73 kcal43 kcal
fat0 g1.55 g1.92 g1.02 g
carbs5.08 g7.04 g3.94 g4.77 g
protein3.39 g5.25 g9.95 g3.79 g
sugars3.95 g7.04 g3.56 g4.61 g
calcium120 mg183 mg115 mg130 mg
magnesiumN/A17 mg11 mg12 mg
potassium101 mg234 mg141 mg164 mg
vitamin AN/A14 µg90 µg171 µg
cholineN/A15.2 mg15.2 mg15.2 mg
seleniumN/A3.3 µg12.4 µg3.6 µg

Filmjölk is a solid source of various vital nutrients. While probiotics are the standout stars, filmjölk is also a great way to get calcium, protein, and potassium. Here’s the lowdown.


Calcium is 10/10 important for your overall health. It’s essential for healthy, strong bones and teeth. It also helps your brain carry messages to other parts of your body.


Protein is a vital macronutrient that helps your organs function on fleek. It can help increase muscle mass and is great for your bone health.


Filmjölk is a fab source of probiotics. These living microorganisms can help your health in lots of ways. They have major mental health and digestion perks. There’s also a chance probiotics can help stave off diarrhea caused by infection or antibiotics.


Potassium is an exciting electrolyte that benefits your:

Does filmjölk have lactose?

A lot of the milk’s lactose gets converted into lactic acid during fermentation. So, you might be able to enjoy filmjölk even if you’re lactose intolerant.

PSA: Def stick to small sips until you see how well you can tolerate it.

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Filmjölk is SO easy to make. All you need is milk, yogurt cultures, and time.


You’ll also need these

  • large glass jar
  • cloth cover
  • wooden or plastic spoon (no metal!)


  1. Pour milk into a large glass jar.
  2. Stir in yogurt starter.
  3. Cover with a cloth.
  4. Let it sit at room temp for about 12 to 48 hours.
  5. Enjoy!

P.S. You can store it in the fridge for a week or longer. Just make sure you keep it covered.

Filmjölk is sort of waiting for its big break in the United States. So, it might be hard to buy a bottle at your local grocery store. You’re prob better off looking at health food shops. You can also see if you have any Nordic specialty stores in your area.

Here are some popular filmjölk brands to be aware of:

Filmjölk is a super popular Nordic drink that’s made from fermented milk. It has a luscious, buttery flavor and is loaded with health perks. It’s a great source of probiotics, potassium, calcium, and protein. It also has a low glycemic-index and lower levels of lactose than other dairy products.

You might be able to track down filmjölk at your local grocery store. If not, it’s super easy to make at home. You can also opt for other dope fermented dairy products like kefir, yogurt, or Greek yogurt.