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26gProtein
5.7gBCAA
0gAdded Sugar
145Kcal / Scoop
100%Dairy-Free
0Artificial Colours

Fermented Yeast Protein 1Kg - One Science Nutrition (OSN)

  • Rs. 1,899.00
  • Regular price Rs. 2,999.00

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Fermented Yeast Protein 1Kg - One Science Nutrition (OSN)

Fermented Yeast Protein. Dairy-free protein, made by fermentation.

26g

Protein


In every 36 g levelled scoop.

5.7g

BCAA


Branched-chain amino acids per serving.

145 kcal

Energy


Per serving, with 5.6 g carbs.

0g

Added sugar


No artificial flavours or colours.

Fermented Yeast Protein 1Kg - One Science Nutrition (OSN)

Nutrition and how to use

Nutrition facts

36 g (1 levelled scoop)27 servings
Energy144.57 kcal
Protein †26 g
Carbohydrate5.59 g
Total Sugar0 g
Added Sugar0 g
Dietary Fiber †1.58 g
Total Fat1.89 g
Saturated Fat0.57 g
Pufa0.20 g
Mufa1.11 g
Trans Fat0.03 g
Cholesterol0.82 mg
Sodium104.54 mg

Values from the published nutrition information. Refer to the label on your flavour for exact details.

01

Scoop

Mix 1 levelled scoop (36 g) in 200 ml of water.

02

Shake

Shake well.

03

Enjoy

Take 1–2 servings a day, or as suggested by your dietitian.

Fermented Yeast Protein 1Kg - One Science Nutrition (OSN)

Fermented Yeast Protein vs typical whey

Fermented Yeast Protein Typical whey
Protein sourceFermented yeast proteinMilk (whey)
Protein per scoop26gCheck the label
Scoop size36gVaries
BCAA per serving5.7gNot always listed
DairyDairy-freeContains milk
Animal-free proteinYesNo
Added sugar0gVaries
Artificial coloursNoneVaries
Energy per scoop145 kcalVaries
Daily use1–2 servingsVaries

FAQ

Know Before you buy

What is fermented yeast protein?

It is protein grown by fermenting high-quality yeast. It is animal-free and dairy-free, with a complete amino acid profile.

How much protein is in one scoop?

Each 36 g levelled scoop gives 26 g protein and 5.7 g BCAAs, at 145 kcal.

Is it dairy-free?

Yes, it contains no milk ingredients. It is made in a facility that also processes milk, nuts and soy.

How do I take it?

Mix 1 levelled scoop (36 g) in 200 ml of water and shake well.

How many servings can I take a day?

1 to 2 servings a day, or as suggested by your dietitian. Do not exceed the recommended daily usage.

Does it contain sugar?

There is zero added sugar. It contains naturally occurring sugars and is sweetened with sucralose.

Is it easy to digest?

It contains papain and bromelain enzymes and is gentle on the stomach, which makes it a practical choice for lactose-sensitive users.

Does it have artificial colours or flavours?

No artificial flavours or colours.

What size and flavours are available?

1 kg (27 servings), in 6 flavours including Unflavoured.

Who should not use it?

It is not recommended for children, or pregnant or lactating women. If you have a medical condition, consult a dietitian before use.

  • 5 stars: 64 (76%)
  • 4 stars: 7 (8%)
  • 3 stars: 13 (15%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
A
Anonymous

Good Protein Powder.

G
Gautam P
Great for recovery

A good addition to my post-workout routine. The Alphonso Mango is a nice flavour. Highly recommended.

G
Gautam P
Great for recovery

A good addition to my post-workout routine. The Alphonso Mango is a nice flavour. Highly recommended.

S
Shivani R
Good protein

Great protein. The Rich Chocolate flavour is a nice treat. I'm impressed with the quality and how it mixes.

S
Shivani R
Good protein

Great protein. The Rich Chocolate flavour is a nice treat. I'm impressed with the quality and how it mixes.

A
Ajay K
Excellent product

I've been using it for a few weeks and I'm very happy with it. No heaviness, just good nutrition.

A
Ajay K
Excellent product

I've been using it for a few weeks and I'm very happy with it. No heaviness, just good nutrition.

M
Meera S
Great alternative

This is a great alternative to traditional whey protein. Clean, tasty, and mixes well. The Iced Coffee is a must-try!

M
Meera S
Great alternative

This is a great alternative to traditional whey protein. Clean, tasty, and mixes well. The Iced Coffee is a must-try!

D
Deepak R
Good product

Great product, I love it. The Alphonso Mango flavour is unique and refreshing.

Thank you, Deepak!

D
Deepak R
Good product

Great product, I love it. The Alphonso Mango flavour is unique and refreshing.

Thank you, Deepak!

P
Priya K
Sits well with me

This is the only protein that doesn't leave me feeling heavy. The Rich Chocolate is a classic and I'm loving it.

P
Priya K
Sits well with me

This is the only protein that doesn't leave me feeling heavy. The Rich Chocolate is a classic and I'm loving it.

V
Vikram T
Love the yeast protein

A modern approach to protein and I've been enjoying it. Iced Coffee is my favourite flavour.

V
Vikram T
Love the yeast protein

A modern approach to protein and I've been enjoying it. Iced Coffee is my favourite flavour.

R
Rajesh S
Great product, great taste

This is a great product. It's a new type of protein and I'm really enjoying it. The Alphonso Mango is especially good.

R
Rajesh S
Great product, great taste

This is a great product. It's a new type of protein and I'm really enjoying it. The Alphonso Mango is especially good.

A
Anjali P
Best protein I've tried

The Rich Chocolate flavour is delicious and I've had no issues with it. This protein is clean and I'm very impressed.

We're glad you like it, Anjali!

A
Anjali P
Best protein I've tried

The Rich Chocolate flavour is delicious and I've had no issues with it. This protein is clean and I'm very impressed.

We're glad you like it, Anjali!

N
Nisha R
Great alternative to whey

I was skeptical at first, but this is a great alternative to whey. The Iced Coffee flavour is amazing.

N
Nisha R
Great alternative to whey

I was skeptical at first, but this is a great alternative to whey. The Iced Coffee flavour is amazing.

K
Karan M
Incredible product

This yeast protein is very easy on the stomach and the Alphonso Mango flavour is fantastic.

K
Karan M
Incredible product

This yeast protein is very easy on the stomach and the Alphonso Mango flavour is fantastic.

R
Rajesh Sharma
Excellent Plant Protein

Finally found a yeast protein that doesn't taste like dirt! Mixes smoothly with water and the chocolate flavor is actually enjoyable. No bloating like whey gives me.

P
Priya Patel
Good but Pricey

Quality is good and digestion is better than whey, but the price is a bit high compared to other plant proteins. Taste is decent though.

S
Suresh Kumar
Average Taste

Mixes well and no stomach issues, but the chocolate flavor tastes a bit artificial. Expected better for the price. Still drinkable.

V
Vikram Rao
Better Than Expected

Was skeptical about fermented yeast but this digests so much better than pea protein. No grittiness at all. Highly recommend for sensitive stomachs.

N
Neha Gupta
Okay but Grainy

Protein content is good but there's a slight grainy texture when mixed with water. With milk it's fine. Taste is acceptable.

D
Deepika Nair
Good Not Great

Does the job for post workout recovery. Mixability is average - needs a blender for best results. Taste is mild which is nice.

R
Rajiv Khanna
Too Sweet

The chocolate is too sweet for my liking. Had to mix with extra water. Protein quality seems good but flavor needs improvement.

R
Rohit Verma
Solid Choice

Good protein profile and mixes decently. Price is reasonable for fermented protein. Would buy again but hoping for more flavors.

T
Tanya Bose
Clumpy Sometimes

Taste is good but sometimes gets clumpy if not shaken well. Need to use warm water first then add ice. Results are decent.

A
Amitabh Ghosh
Great for Lactose Intolerant

Switched from whey due to lactose issues. This is so much gentler on my gut and I don't miss the dairy at all. Muscle recovery is still on point.

About One Science Nutrition

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Built for people who actually train
Crafted in EU. Made for India.
One Science Nutrition is crafted in EU. Grass-fed whey, produced under ISO 22000, GMP and IFS Food certification, and brought to India exclusively by Muscle House India. Every tub is amino spike free. No glycine, no taurine, no cheap nitrogen padding the number on the label. What the panel says is what your muscles get. The range covers the full training block — Premium Whey, Nitra Whey and ISO Gold for protein and recovery, Psycho Pump and Sniper for the hard sessions, BCAA and EAA for the work in between, and daily wellness for everything the gym doesn't cover. Fourteen flavours, because the best protein is the one you'll actually finish.

200,000+ customers. 4.8 out of 5 across thousands of verified reviews. Backed by Tiger Shroff, IFBB Pro Sunit Jadhav and Mr. World 2021 Junaid Khan.

European science. Indian pricing. Zero compromise in between.
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