Four Sigmatic Organic Plant-Based Protein Powder Unflavored Protein with Lion’s Mane, Chaga, Cordyceps and More | Clean Vegan Protein Elevated for Brain Function and Immune Support | 16.9 oz | ⭐ Flexiology.Store Recommended

Original price was: $30.02.Current price is: $27.95.

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Description

Price: $30.02 - $27.95
(as of Oct 02, 2025 11:06:12 UTC – Details)

From the brand

Four sigmatic everyday magicFour sigmatic everyday magic

Our Finnish grandparents brewed mushrooms when they couldn’t get coffee. Turns out those mushrooms—Chaga—are a powerful, immune-supporting Four Sigmatic food. That gave us an idea.

We searched for more exhaustively-studied, practically-magic ingredients to add to our daily go-tos. Guess what? Organic coffee plus Chaga is chaga-bly delicious and remarkably good at balancing caffeine.

What does Four Sigmatic mean?

Four Sigmatic foods are the most nutrient dense, most studied foods on the planet. Only 100 foods fall into this category and those are the foods you’ll find in our products.

Does your product taste like mushrooms?

Our products taste like coffee or hot cacao or whatever they’re mixed with. If you’re looking to taste mushrooms, sorry to disappoint.

Do you source your mushrooms locally?

We source our ingredients from the highest quality locations around the world. And we’re always looking for better, more local options. If you have an idea, drop us a line.

This is our founder, Tero.

He grew up in Finland on a family farm that’s been around for 13 generations. There he learned to appreciate the best off-the-beaten-track ingredients and the absolute worst puns. Tero started Four Sigmatic to share these feel-good Finnish traditions with the world.

As you might have guessed, we don’t take ourselves too seriously. But our products are no joke. We source the world’s very best ingredients. We also work with 3rd party testers to geek out about formulas and purity levels, so you don’t have to think about the science

Check Out Our Products

Product Dimensions ‏ : ‎ 4.06 x 4.06 x 7.5 inches; 1.29 Pounds
Item model number ‏ : ‎ 816897021628
Department ‏ : ‎ Unisex-Adult
Date First Available ‏ : ‎ September 16, 2019
Manufacturer ‏ : ‎ Four Sigmatic
ASIN ‏ : ‎ B07WV444M9
Best Sellers Rank: #8,730 in Health & Household (See Top 100 in Health & Household) #20 in Sports Nutrition Pea Protein Powders
Customer Reviews: 4.2 4.2 out of 5 stars 2,523 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
PLANT PROTEIN, PERFECTED — Our notably nutritionally-dense superfood packed protein powder is crafted with pure plant protein, functional mushrooms, pretty-much-magical adaptogens, and no fillers whatsoever. You’ll love what it does for your everyday.
CHEF-WORTHY, ORGANICALLY SWEETENED — We didn’t skimp on any ingredients. We’ve rejected the artificial and gone sucralose-free, refined sugar-free, and even stevia-free. Our protein powder is instead sweetened with the natural flavors of organic coconut palm sugar, organic lucuma, pink Himalayan salt, organic cinnamon, and organic monk fruit.
SMOOTHLY UNFLAVORED — This organic plant protein powder is “unflavored.” But we want to be clear, we’ve added the ideal amount of organic natural sweeteners and flavors to create a smooth, blank slate. It’s perfect for mixing with your favorite non-dairy milk for a simple, nutritious vegan smoothie, or even into that weekend pancake batter to take brunch to a whole new level.
LOADED WITH SOME OF THE WORLD’S MOST NUTRIENT-DENSE FOODS — Every scoop of this low carb protein powder also has 1000mg of functional mushrooms (chaga extract, reishi extract, turkey tail extract, cordyceps extract, and lion’s mane extract), plus 500mg adaptogens (ashwagandha and eleuthero). Together, these miraculous mushrooms and adaptogens provide a plethora of immune boosting, brain balancing, and stress support benefits.
INGREDIENTS WE CAN’T STOP RAVING ABOUT — We’ve packed our organic plant-based protein with only the cleanest protein powders (organic hemp protein powder, organic American pea protein, organic chia, organic pumpkin protein, and organic coconut protein). Each recyclable container provides 15 servings of uninhibited, clean, expertly elevated protein. This is the protein you and your kitchen deserve.

Customers say

Customers appreciate the protein powder’s high-quality ingredients and find it effective for smoothies, helping them meet their daily protein needs. The taste receives mixed feedback, with some saying it tastes good while others find it bland. The blendability, texture, and sweetener content also get mixed reviews – while some say it blends well and has a smooth texture, others report it doesn’t mix well and has a chalky texture, and while some appreciate the absence of artificial sweeteners, others find it pricy.

🌿 Expert Tip: Selected by our Flexiology Experts for quality & value.

⚠️ Disclaimer: Information is for educational purposes and not a substitute for medical advice. Consult your physician before use. Flexiology.Store is not responsible for any adverse effects.

Reviews (13)

13 reviews for Four Sigmatic Organic Plant-Based Protein Powder Unflavored Protein with Lion’s Mane, Chaga, Cordyceps and More | Clean Vegan Protein Elevated for Brain Function and Immune Support | 16.9 oz

  1. Ashley May

    Unflavored=Cinnamon flavor
    I love this! My normal protein powder by Premier Research is out of stock so I took a chance on this brand. It blends well, not chalky, quality ingredients, good benefits and great flavor. Even though I got unflavored, it has a great cinnamon flavor that went well with my mixed berry/banana smoothie. So as long as other buyers like cinnamon, they’ll be very pleased.

  2. melissa n delbert

    Title: Peanut Butter Protein with Superpowers!
    Title: Brain-Boosting Protein? Yes, Please!This isn’t just a protein powder—it’s a total mind and body upgrade! Four Sigmatic has taken plant-based protein to the next level by adding functional mushrooms like Lion’s Mane, Chaga, and Cordyceps. I’ve never had a protein shake that actually helps me feel more focused and energized, but this one does!The peanut butter flavor is insanely good—smooth, nutty, and not overly sweet. No chalky texture, no weird aftertaste, just pure, clean ingredients that fuel my day. It blends beautifully, whether in a smoothie or just shaken with almond milk.If you want more than just muscle recovery—if you want a brain boost with your protein—this is the one. Worth every cent!11/10 – Revolutionary!

  3. Karem

    Not the best flavor
    This was an okay product! I did not like the flavor. It was pretty earthy. I do however enjoy the vanilla flavor from this same brand

  4. marcia urban

    Absolutely wonderful product
    I work out every day and this is my go to protein without any animal or GMO or soy or dairy in it. It is all made from different types of mushrooms. It is unflavored, but it has a little bit of monk fruit in it, which makes it taste goodbye itself, but I make smoothies. I put a little fruit and some nuts And some Chia seeds and flaxseed oil and hemp seed into 12 ounces almond milk even though it says you can add ice or water. I don’t want it water down then I put a scoop of stuff and put it in my ninja bullet. It’s very delicious and smooth, but you must drink it all up quickly or it’ll get too thick and that’s normal for protein products but it helps me get my daily protein. It’s the same time while I’m working out as I’m older, but I’m very fit and athletic for my age and I don’t look my age And I am gonna continue to fight that for a long time and this protein drink is all vegan even though I’m not a vegan. I am a big fan of it and it’s the best protein drink. I have found out on the market so far and it’s third-party test it as far as I know , I love it and I will always buy it Actually, very worth the price that you pay for it and it is actually delicious

  5. Tiki D

    HUGE DISAPPOINTMENT
    (New Formula) – Extremely DisappointedI’ve been a loyal customer of Four Sigmatic’s protein powder for a YEARS, and it’s always been my favorite and I’ve recommended it to so many people – NOT ANYMORE!!! The recent formula change is a huge disappointment. The original version had a smooth texture, great taste, and simple clean ingredients – a rich color and I felt better every time I drank it. Unfortunately, the new formula has less of the good ingredients and mushrooms and more junk. I loved that this was a simple protein with mushrooms — now it’s a gritty, pale powder that feels like a gimmick.It no longer has that rich, natural flavor that set it apart from other protein powders. I am so disappointed. It feels like the company completely sold out – even the manufacturing facility has changed!I really wish Four Sigmatic had kept the original formula because this new version is a huge step backward. Sadly, I won’t be repurchasing unless they go back to what made their protein powder so great in the first place. If you’re looking for a high-quality, plant-based protein, I’d recommend exploring other brands.

  6. Cynthia

    Protein Smoothie
    Pleasant taste especially when strawberries, blueberries, banana & avocado are added to it in almond milk. I also add crushed ice & whip it with a stick mixer. Great nutritious lunch!

  7. Nia Ruiz

    Tasts like creamy brownie batter without being too sweet !
    I have struggled with going back to protein after gastric sleeve surgery like so many. The protein powders so often are too sweet or too….ugh!!!! after surgery. I am a little over a year out from my surgery now and I need to get more protein in to help with satiety, weight loss ( in a stall) and hair loss. I have never liked the whey protein. It stinks its hard on my stomach and always feels bad in me generally speaking. I was looking for a powder that had little sweetness but at the same time didn’t need additional sweetener, didn’t taste like cardboard, and had clean ingredients. Most powders have gums as thickeners those act can effect the gut in a negative way. some have brown rice as the first or second ingredient and that is also a filler and can spike insulin. This powder seems to have only good clean ingredients. The taste is decent. its not terrible the texture is not the best but its also not terrible. all in all very happy with my purchase and will be getting more of these. I want to try the unflavored and the vanilla to see how I like those. I was thinking this powder would also make great brownies! I haven’t tried it yet but that is in the future!

  8. Alynn Etzler Design

    Chocolate favor
    Love Four Sigmatic, but this flavor is so bad. I’ll try the other flavors once I painfully get through this one because I will get my moneys worth.

  9. N. Friedman

    I’ve been looking for a clean vegan protein powder for some time. In particular one with a decent taste. Didn’t want any gums or Stevia. Used it this morning for the first time after a run. It was a little gritty, probably because I didn’t add enough almond milk in or shake it enough. But the taste was very good, like cacao and not too sweet. Enough protein with the added health benefits of mushrooms. Didn’t realize what I a good deal I got for this on Prime Days.

  10. Brett N.

    I love this protein powder! I have been using the chocolate in my Creami and as shakes. It isn’t chalky, has a good flavour, and is full of benefits. Highly recommend.

  11. DD

    I really like this stuff. I feel really good and have been using for a few months. It’s chalkier than I’d like but the mushroom is not noticeable and the benefits are felt. Unfortunately, AMAZON sent me a damaged container and did nothing about it despite powder all over the box.

  12. Sonya

    I love this stuff even though it’s American. Tried Canadian powder and it’s good but not this.

  13. Sunshine

    Tastes so bad!!

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