The Spacemilk Difference

Cell Protein

Spacemilk is the first of its kind in a new category of protein, Cell Protein. Derived from or...

Spacemilk is the first of its kind in a new category of protein, Cell Protein. Derived from ordinary single-celled Baker’s Yeast, Cell Protein is a naturally complete, whole protein.

Complete Amino Acid Profile

Spacemilk is made using a single-source cell protein, which is naturally complete. Our protein...

Spacemilk is made using a single-source cell protein, which is naturally complete. Our protein is equal or superior to whey, with none of the drawbacks. Most plant proteins must be blended with others to simulate a complete blend, but Spacemilk is already complete on its own.

Made With Purpose

We don’t cut corners. That means 25g of actual, complete protein per serving, 30 servings per ...

We don’t cut corners. That means 25g of actual, complete protein per serving, 30 servings per container, and no fillers or misdirection. You can pronounce its simple ingredients, and there are no fancy trend ingredients that are otherwise nutritionally empty. It is purposefully made to be good for every body on Earth.


Protein for everyone, with the most sensitive individuals in mind. Our formula is purposely si...

Protein for everyone, with the most sensitive individuals in mind. Our formula is purposely simple and our ingredients are all recognized for their safety and purity.

Made Responsibly

Our protein is grown in water, using fewer resources, producing less CO2, and with less land a...

Our protein is grown in water, using fewer resources, producing less CO2, and with less land and water than any plant- or animal-based protein. The water used to make our protein is fully recyclable, and no harsh solvents, fertilizers, or other dangerous chemicals come near it for any reason.

Plastic Free

Did you know over 94% of all plastic in the US ends up in a landfill? Much of it is burned and...

Did you know over 94% of all plastic in the US ends up in a landfill? Much of it is burned and still ends up in a landfill or in our seas.

Click to read report on plastics recycling in the US

Spacemilk News

Spacemilk is honored to be a 2023 Nominee for the Edison Awards in Innovation for Food and Agricultural Advancements.

It is our hope to bring clean, sustainable nutrition to every corner of our world and beyond, but that giant leap for mankind starts with the single step we take together, today.

5 Star Reviews

"I require protein supplementation to power both my athletic training and get through my shifts as a nurse, but have ulcerative colitis - which means that most protein that I consume can cause me to have significant stomach upset. I've usually avoided drinking any protein before a shift for that reason - it's really stressful! This is the first time I haven't had to worry about that. With Spacemilk, my stomach literally feels calm after drinking it, and I know I am getting only things I actually need. It is such a relief."

- Christopher C., R.N.

"I have to give kudos to Spacemilk. I am a pescatarian and have celiac disease and a dairy intolerance, and I have a child with multiple food allergies, but we are both athletic and need to consume protein supplements. We have always had to have different products in the house, and always a fear of cross-contamination. This is the first protein that we can all consume and I am really grateful for that. We have even started using it in recipes like "sunbutter cups" and it is SO good in them. I'm really glad to have found this!"

- Ursula M.

"We are constantly buying protein powders for our household, but many different kinds because everyone's needs are different. My 86yo father-in-law needs at least 50g a day from shakes but has digestion issues; my wife gets very sick from most vegan blends, but whey doesn't sit well with me or my son. We have all been on a fitness journey this year, while trying to keep my father-in-law healthy, and it is AMAZING how easy it is to get our protein now. I add it to our coffees in the morning, have shakes in the afternoon, and my son's reflux is actually calm for a few hours after drinking it. I'm really grateful for Spacemilk!

- Luke E.
One small step.

Towards a better future for humanity. With all the heavy lifting earth's resources have done for us, it’s time for us to take on some, if not all, of that burden. And that starts with our food.

By 2050, the greatest risk to our survival as a species is starvation: our land will not be able to provide enough food, from animals or plants, to feed Earth's population.

Spacemilk is here to redefine what it means to responsibly source food. We are building new food systems today for our future generations to thrive with integrity and transparency every step of the way.

Learn More
That’s all good. But what does it taste like?

Healthy! 😀 But tasty healthy, not "hold your nose" healthy. Original flavor is meant to mix with however you currently use protein, so by iteself, it doesn't taste much like anything, except for a mild neutral flavor meant to blend in with just about anything. Some have compared the flavor it to rice cereal or cupcake batter.

What it doesn't taste like is nice too: no chalky aftertaste or mouth feel. No mysterious (not so) natural flavors, just clean, nutritive ingredients. It has practically no taste and is light in texture, making it perfect for blending. We only use organic monkfruit and a tiny bit of salt for flavor. That’s it. Some love it blended in smoothies, and many of us here drink it plain, with a little cinnamon, or in our lattes. So many possibilities!

In early 2023, flavored versions of Spacemilk will be available, and they, too, will be just real food.

Try some – your tastebuds and stomach will thank you.

Try 100% Risk-Free
Great! So how will my body feel when I drink it?

Spacemilk is made for every body, and we know yours is going to love it, just as much for what’s not in it, as much as for what is.

Unlike plant- and animal-based proteins, no solvents are required to extract our cell-based protein… just water and physics. No complicated ingredients, and the probiotics and soluble fiber help ensure a smooth, comfortable digestion. If you are one of the estimated 95% of Americans who do not get enough soluble fiber, you may have light gassiness for a few days, but that quickly passes for the few who do experience it. For most others, you may find a reduction in such gastrointestinal symptoms. Our fiber and probiotics were chosen for their gut health benefits.

How you feel is one of the first things people mention about why they love Spacemilk. With our risk-free guarantee, why not find out for yourself?

Try 100% Risk-Free
For your health and that of the planet.

Keep you going through a busy day, honor your sensitive dietary needs, and power your recovery after an intense workout. Feel good from it, and feel good about it, knowing you are fueled by the most sustainable protein on Earth. With simple, clean ingredients and a manufacturing process that is infinitely kinder to our planet than any other protein on Earth, there are different reasons for every body on Earth to love Spacemilk.


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1. Choose Your Flavors

1. Choose Your Flavors

30 Servings / Container

  • Original

    Rated 5.0 out of 5 stars


    30 Servings / Container


2. Choose Your Price

2. Choose Your Price

Subscription price: $89.00 $69.00 Only $2.30 / Serving
Delivery Frequency:
Save $20 Per Container
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Cancel Anytime
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Subscribe & Save

Benefits of a subscription:

  • Free Shipping on every subscription and 31% off for the life of the subscription.
  • Convenient monthly delivery
  • No commitment or hidden fees
  • Cancel anytime, hassle free
  • Pause, delay, or change frequency
  • Switch flavors or quantities
  • No surprises (Pre-shipment reminders)

It’s your plan. You’re in full control.

$89.00 Only $2.96/ Serving
You’re SAVING $1.5!
Subscription price: $13.35 Instead of One-time price: $15.35

Our Promise

We want you to be healthy, happy & satisfied.

Try Spacemilk for 30 days and see how it makes you feel. If you don’t love it, you'll get a full refund for one (1) container of each flavor, and welcome your feedback for ways to improve! Yes, that includes shipping and sales tax! No need to return your container, just pass it along to someone you think would love Spacemilk. Pretty fair right?

Rest assured, you can try it for 30 days risk-free.
Learn more.

Want free Spacemilk?

Exclusively for our founding customers, we'd like to offer the chance to get your Spacemilk for free, by helping us spread the word!

Refer a friend to subscribe to Spacemilk, and you get 10% off one canister of your subscription, in addition to any discounts you already receive, for as long as they maintain their subscription.

Refer three friends who also subscribe, get 30% off;

Refer 9, and you get one entire canister per month, free!

*referrals are only valid as long as the referee is still subscribed. Please allow one week for all discounts to apply.
  1. What is Spacemilk made from?

    Spacemilk is a cell-based protein derived from yeast protein isolate. It also contains organic Sunfiber™ which is the best hypoallergenic fiber ingredient and Lactospore™ which is a cutting-edge probiotic to support your digestive system.

  2. Is Spacemilk vegan?

    Yes! Spacemilk is neither animal- nor plant-based.

  3. Is Spacemilk free of allergens?

    Yes. The purification process isolates the protein from the cells using only water and electricity. This means that, unlike other protein sources, Spacemilk is free of any solvents, chemicals or undisclosed ingredients.

  4. Why is Spacemilk right for me?

    With 25g of complete protein, 3g of soluble fiber, and 500 million CFU of probiotics per serving, Spacemilk is right for anyone who is looking to increase their daily protein intake while being kind to their digestive system.

  5. Why should I have a Spacemilk subscription?

    There are a few reasons many customers prefer a Spacemilk subscription.

    • Our subscribers receive free shipping for the life of their subscription, as well as increased discounts: all subscription orders ship with free shipping for the life of the subsription, but in order to help you fully keep Spacemilk part of your daily routine, the second shipment also receives 5% off, and then the third and every subsequent shipment in the subscription receives 10% off.
    • Spacemilk is made in smaller batches to ensure purity; therefore, there is only so much Spacemilk available with each run. Subscriptions receive priority, and are the best way to make sure you never run out of Spacemilk.
    • Subscriptions are flexible in frequency and quantity, and the quantity discounts are in addition to subscription discounts.

    We know that making Spacemilk a part of your daily routine will help you feel great, and want to help you stay feeling that way!

  6. Can I really get Spacemilk for free?


    Beyond R&D and materials, getting the word out about a new product is one of the biggest costs a new business incurs.

    Our early customers have been so passionate about telling everyone about how much they love Spacemilk and how great it makes them feel, that we wanted to find a way to reward them for their help.

    It's probably important to know that doing this with a fully automated program is costly, so we are managing it on the back end - hence why we ask for you to expect a week for discounts to kick in for your referral discounts.

    It is our hope to grow this in the future to a larger, more automated system, but we're not there yet, and we didn't want to wait until we were to offer this to our customers in gratitude.

    We'll keep you posted as we continue to add benefits and rewards for our customers.

    Ad astra!