"This is my favorite plant based protein I’ve tried! It blends smoothly and has a nice mild vanilla flavor to compliment my smoothie well without tasting like fake vanilla. I highly recommend it!"
A New Benchmark
in Plant-Based
Nutrition
Thoughtfully crafted plant-based protein powders and functional ingredients designed to support energy, mental clarity, digestive health, and whole-body vitality. *
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The Protein Problem
Where plant proteins break down
You’re looking for sustained energy, mental clarity, and real support. * But most formulas aren’t designed to deliver it.
It feels like an effort
Overly sweet blends. Dense textures. Routines that demand more than they give back. When nutrition feels inconvenient, consistency rarely follows.
Your body pushes back
Digestive discomfort. Energy dips. Mental fog. Without thoughtful formulation, even well-intentioned choices can feel misaligned.
The label raises questions
Lengthy ingredient lists. Unnecessary additives. Transparency should build trust, not require interpretation.
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Support what your body needs most
Protein powders, daily support blends, and cellular nutrition formulated to support energy, digestion, focus, and long-term vitality.*
Real Reviews
What our customers say
4.8
Average rating
1M+
Happy customers
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"An excellent flavor and a protein I can actually feel good after using. I also love the amount of nutrients and other great ingredients in the formula."
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"KOS is my favorite of them all. Easy to add to cereal, muesli, bake with or mix up your own custom shakes. I recommend this to all my family and friends, keep up the great work and products :)"
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"I was looking for a protein powder that doesn’t have any flavor or sweeteners and wouldn’t upset my stomach. I hit the jackpot here. I love to put this in smoothies, bars, oatmeal and it never fails!"
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As featured in
Full Transparency
Inside the formula
A closer look at the whole-food ingredients that make up our formulas, each selected for quality, integrity, and nutritional value.
Ingredients

Organic Pea Protein
Plant protein with a broad amino acid profile to support muscle nutrition.

Organic Flaxseed
A whole-food source of fiber and omega-3s for digestive support. *

Organic Quinoa
A complete plant protein with all nine essential amino acids.

Organic Pumpkin Seed Protein
Naturally rich in zinc and magnesium.

Organic Coconut Milk Powder
Adds healthy fats and creaminess while supporting satiety and sustained energy. *

Digestive Enzymes
Help break down protein and other nutrients during digestion. *

βNMN (Beta-Nicotinamide Mononucleotide)
Precursor involved in cellular NAD+ pathways.

Alpha-GPC
Supports cognitive function and mental clarity. *

Organic Cocoa Powder
Delivers rich chocolate flavor from organic cacao. No artificial taste
Want to see exactly what you’re getting?
See third-party lab results and complete nutrition facts.
Subscribe & Save
Stay consistent with what works
Set your schedule once, and your nutrition arrives when you need it. Adjust, pause, or cancel anytime.
- Frequency
- Choose delivery every 30, 60, or 90 days. Change it anytime if your routine changes.
- Shipping
- Most subscription plans include complimentary shipping.
- Flexibility
- Skip a delivery, swap products, or cancel in seconds directly from your account.
- Early access
- Subscribers receive exclusive first access to our newest flavors and product launches, often weeks before public launch.
20%
off every order
Not a first-order discount. Not a temporary deal. This is your price for as long as you’re subscribed.
FAQ
Frequently asked questions
Everything you need to know about KOS, our formulas, and how ordering works.
Still have a question? Reach us at hello@kos.com
KOS is designed around real use. We use organic, plant-based ingredients chosen for taste, digestibility, and nutritional quality, without artificial sweeteners, fillers, or unnecessary additives.
The result is a protein powder people actually enjoy drinking and can stick with daily.
You choose how often you want deliveries: every 30, 60, or 90 days, and save 20% on every order. You can pause, skip, swap products, or cancel anytime in just a few clicks.
KOS is formulated using complementary plant proteins - including pea, pumpkin seed, quinoa, chia seed, and flax - that work together to provide all nine essential amino acids the body can’t produce on its own.
While individual plant sources may not be complete on their own, combining them at the right ratios allows KOS protein to deliver a complete amino acid profile per serving.
If you don't love it, we'll refund it. Simple as that. Reach out within 15 days of purchase and we'll make it right - no need to ship anything back.
Our products are made with clean, organic ingredients, but we always recommend checking with your healthcare provider before adding any supplement to your routine during pregnancy or nursing.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.





