No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
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Fermented Yeast Protein Fermented Yeast Protein

Peanut Butter Fudge

24g of fermented-yeast protein per scoop, paired with real peanut butter and a PDCAAS 1 for pro-level recovery..
See ingredients

Choose from over 5 flavours

No-Nonsense Fermented Yeast Protein Ratnagiri Mango Ratnagiri Mango New No-Nonsense Fermented Yeast Protein Indonesian Cacao Indonesian Cacao Bestseller No-Nonsense Fermented Yeast Protein Chikmagalur Mocha Chikmagalur Mocha Bestseller No-Nonsense Fermented Yeast Protein Kerala Vanilla Bean Kerala Vanilla Bean Bestseller No-Nonsense Fermented Yeast Protein Malnad Arabica Coffee Malnad Arabica Coffee No-Nonsense Fermented Yeast Protein Classic Unflavoured Classic Unflavoured Bestseller No-Nonsense Fermented Yeast Protein Assorted Sachets x 5 Assorted Sachets x 5 Bestseller

A smooth, buttery texture with the rich taste of peanut and cacao. A timeless classic, reimagined.

Size
Rs. 2,290 (30% Off)
Rs. 3,250
Tax included. Shipping calculated at checkout.
Quantity
Fermented Yeast Protein Fermented Yeast Protein

Peanut Butter Fudge

Rs. 2,290 (30% Off)
Rs. 3,250

Free biodegradable measuring scoop with 500g and 1kg protein!

Want to explore the best protein for you?Take our starter quiz
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge

Size: 1kg(Save 30%)

No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge
No-Nonsense Fermented Yeast Protein Peanut Butter Fudge

Peanut butter, reimagined with fermented yeast protein. Rich, authentic flavour with whey-level protein absorption.

Learn what makes
our protein work

Ingredient decoder
Cacao powder
Cacao powder
Vanilla bean powder
Vanilla bean powder
Monk fruit
Monk fruit
Yeast protein isolate
Yeast protein isolate
Peanut Butter Powder
Peanut Butter Powder
Cacao powder
Cacao powder
Vanilla bean powder
Vanilla bean powder
Monk fruit
Monk fruit
Yeast protein isolate
Yeast protein isolate
Peanut Butter Powder
Peanut Butter Powder

What's definitely NOT inside

No Added sugar or stevia No Preservatives No Gums, emulsifiers, enzymes, or fillers
No Synthetic or “natural identical” flavours No Food colouring

Each Batch Tested

Each and every batch of our Fermented Yeast Protein
is tested for heavy metals and microbiology by a third party
FSSAI approved NABL-accredited lab. View Reports

What Takes This Protein to the next level?
the best of plant with the best of whey!

100% Fermented Yeast Protein

No pea. No rice. No fillers doing the heavy lifting. Just one complete protein source, delivering everything your body needs.

Complete Protein. No Compromise.

24g complete protein, 5.3g BCAAs and a PDCAAS score of 1 for whey-level absorption and completely dairy-free.

Crafted In-House, End-to-End

Made with actual peanut butter powder and cacao for a richer, smoother shake. From fermentation to formulation, every scoop is developed, manufactured and packed by Cosmix.

Benefits

You can see

Iconic Fermagut™ Tech Gets a Boost

It starts with yeast. We grow it in a controlled fermentation tank and extract the protein at the precise moment it reaches peak quality - then stop the process right there to lock it in. Every step is done in-house at Cosmix. No outsourcing. No third-party manufacturing. As trusted, clean and safe as if it's home-made!

Our FERMAGUT™ process extracts high quality yeast peptides, short-chain protein molecules significantly smaller than a typical protein molecule. Because particle size is smaller than rice or pea protein, it dissolves better and sits lighter. No chalkiness. No grit. Nothing to push through. And unlike blended proteins that use gums or emulsifiers to fake a smooth texture, this smoothness is structural. It comes from the protein itself, 100% fermented.

Read more on the blog

Fermentation breaks protein into shorter-chain peptides, simpler molecules your gut processes with far less effort than conventional plant or dairy protein. No gums, no enzymes, no digestive aids added to compensate. The gut-friendliness is an outcome of the FERMAGUT™ process.

Read more on the blog

Fermented Yeast Protein has a PDCAAS of 1 - the highest possible score on the most trusted measure of protein quality. All 9 essential amino acids. Absorbed as efficiently as whey. Without the dairy or the heaviness of bloat. This one goes beyond, by reducing the ingredients your gut needs to break down. Helping your muscles utilise all protein for fast recovery.

Read more on the blog

The effectiveness of this protein is only possible because it's manufactured end to end in-house. Unlike several other protein powders which are sourced from different factories and put a badge on, every batch of Cosmix protein is made through controlled fermentation conditions within our facility.

Read more on the blog

There’s NO Comparison

How to make your Fermented Yeast Protein shake
Step 1

Pour 1 scoop (38 gm) into
your blender or shaker

Step 2

Add 250-300 ml water

Step 3

Blend and or shake till
smooth. Drink and enjoy!

Our Early Adopters

I’ve been a Cosmix girl for over 1.5 years now and have tried everything from Plant Protein to Plant Protein Pro, but the new Fermented Yeast Protein has easily become my favourite. The Indonesian Cacao flavour feels richer and more intense, yet super light on the gut with absolutely no bloating or chalky texture. I use it as a post-workout shake 5 days a week and even as a smoothie meal with fruits, nuts, and seeds. Loved the earlier proteins too, but this one truly stands out — Cosmix has absolutely nailed it.

- Indonesian Cacao

Kshipra Naik

Honestly, I think I just went to your website to order my monthly protein powder stack, and I just saw that you guys have launched something new, and I really loved the purple packaging. So I thought maybe I will just give it a try because I always keen on trying the new launches/flavours that you have to offer. So I thought, let us try a 500 gram pack and lets see how it feels. And trust me, I'm going to only order the fermented yeast protein from now, along with my OG favourite flavours. But fermented protein is going to be like a permanent part of my pantry from now on, it does the job very well.

- Malnad Arabica Coffee

Pooja Preeti

I have an allergy to whey and fermented products. By mistake I ordered these and was too lazy to return. To my surprise, it has been the smoothest protein considering my sensitive gut and multiple food allergies.Whatever formulation this is, please stay with this.

- Indonesian Cacao

Kapil Razdan

I love it! Honestly I liked your protein powder just the way it is but yes the fermented yeast one is more smoother and it is something I look forward to having in the mornings. It fills me up and keeps me satiated. The day is a better day for me when I have this protein shake!

- Chikmagalur Mocha

Pooja Vinod Trindade

Amazing so far. Texture and taste top quality. Very easy to mix and blend. No bloating at all. No bad aftertaste. There is nothing to complain except very few flavours.

- Assorted Sachets ( All flavour)

Daiwat Joshi

I am not able to digest whey and i tried various plant protein , it’s chalky , bulky and has bitter aftertaste . But fermented yeast protein best suited me , particularly the cosmix one with clean ingredients.

- Indonesian Cacao

Dr Ranoo Verma

The protein is absolutely yum, easily mixable and my goto once I return from work and craving for some junk! The chocolate is yum and a dash of black coffee elevates it to my preference. The thickness of the "shake" is heavenly without any milk/cream addition itself which is crazy! As a person working on fitness, an option of consuming chocolate daily that gives protein is a boon! Also, as an ex-whey based protein consumer, Cosmix digests very very easily compared to most proteins out there. Am a forever customer with Cosmix!

- Chikmagalur Mocha

Sarada Aanand

I loved the Cosmix Yeast Protein. I find it super smooth and really blendable and one of the most unique plant-based proteins I’ve tried yet. Definitely going to be a repeat customer! Usually I use it to start my day, before I head into work and after my morning workout. As a vegetarian I wasn’t getting enough protein from my meals, and Cosmix is helping me build a new routine in a way. I used to be afraid of having protein powders because I assumed it’s something that only weightlifting people can have, but it’s been made totally accessible to anyone. So thank you for everything you’ve done!
- All Flavour - assorted

Akanksha Sarma

I used to use cosmix plant protein for my every day oatmeal breakfast. The only flavor i was left with at that time was no nonsense mocha which i did not like in the oatmeal, i like it as a drink but not in oats. Then i decided to order my usual cocoa for the breakfast and i stumbled upon yeast version of my beloved cocoa. So i thought of giving the new one a try and my oh myyy it is way way better than the plant version, it feels so smooth in the drinks, every morning i feel like i am having a chocolate pudding. At night when i meal prep for the oatmeal, the smell of this particular version of cocoa protein makes me so excited to have it in the morning. Best product so far. Lovedddd it. Even the pricing is also not too heavy on the pocket so another star points.

- Indonesian Cacao

Mansi Talwar

For fermented yeast protein, I found the taste to be nice and it's quick absorbing and didn't find it the much of a heaviness or chalky which usually do have a taste when you first having the plant based mocha. Loved the taste.

- Chikmagalur Mocha

Palak Bhatt

Recipes

Daily Inspirations

From the Cosmix
Kitchen

Find the freshest recipes and unique flavour mashups for your daily smoothies, shakes and blends. Crafted by Cosmix Collective using the Fermented Yeast Protein

See all recipes
Chocolate Protein Smoothie (with a magic shell 🍫) Play video

Chocolate Protein Smoothie (with a magic shell 🍫)

No-Nonsense Fermented Yeast Protein Indonesian Cacao

April 24, 2026 Read Recipe
Coffee Protein Fudge Play video

Coffee Protein Fudge

No-Nonsense Fermented Yeast Protein Malnad Arabica Coffee

April 29, 2026 Read Recipe
Chocolate Protein Smoothie (with a magic shell 🍫) Play video

Chocolate Protein Smoothie (with a magic shell 🍫)

No-Nonsense Fermented Yeast Protein Indonesian Cacao

April 24, 2026 Read Recipe
Coffee Protein Fudge Play video

Coffee Protein Fudge

No-Nonsense Fermented Yeast Protein Malnad Arabica Coffee

April 29, 2026 Read Recipe
See all recipes

Frequently Asked

Questions

Does Peanut Butter Fudge have more protein than the other Fermented Yeast Protein flavours?

No. Every Fermented Yeast Protein from COSMIX contains 24g of complete protein per serving. We keep the protein content consistent across the range, so your choice comes down to flavour, not performance.

Does Peanut Butter Fudge contain actual peanuts?

Yes. Peanut Butter Fudge is made with real peanut butter powder and contains peanuts. If you have a peanut allergy, we recommend going for other products in the Fermented Yeast Protein range.

Why use real peanut butter instead of flavouring?

Many peanut butter protein powders rely on flavour compounds to recreate the taste. We use real peanut butter powder and cacao to deliver the rich, buttery taste you'd expect from the real thing, all without compromise.

What does Peanut Butter Fudge taste like?

Think rich peanut butter with a dash of chocolate fudge. Smooth, indulgent and satisfying, without being overly sweet.

Is Peanut Butter Fudge dairy-free?

Yes. Like every FYP flavour, Peanut Butter Fudge is completely dairy-free while delivering whey-level protein quality.

Does Peanut Butter Fudge have the same protein quality as the other Fermented Yeast Protein range?

Every Fermented Yeast Protein flavour delivers 24g of complete protein, 5.3g BCAAs with a PDCAAS score of 1.

Who is Peanut Butter Fudge best suited for?

Anyone who loves the classic taste of peanut butter and wants a wholesome protein experience without compromising on quality.

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