casein protein powder
Worth a lookShows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Market size
Incredible$2.8M$2.8M/yr · 979K searches
Price range
Incredible$22.36–$99.33cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$54.59avg listing price — sweet spot $15–$100
Conversion
Good5.1%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,154.93avg incumbent reviews — the moat a new listing must climb
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Growth
Bad-1.6%90-day search growth — must beat 0% to launch
Competition
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
39
Top-5 brand share
87%
Open market
10%
- Optimum Nutrition33%
- Nutricost28%
- NAKED16%
- Levels Nutrition7%
- BulkSupplements4%
- It's Just!3%
- Open — no brand owns it (9 brands, 10%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 30 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder Slow Digesting Helps Keep You Full Overnight Muscle Recovery Chocolate Supreme 2 Pound (Packaging May Vary)
Optimum Nutrition$46.534.6★9,135 rev

NAKED Casein - 1Lb Micellar Casein Protein - Bulk Zero Carb NSF Certified GMO-Free Gluten Free Soy Free Preservative Free - Stimulate Muscle Growth - Enhance Recovery - 15 Servings
NAKED$24.964.4★2,077 rev

Nutricost Casein Protein Powder 2lb Vanilla - Micellar Casein Gluten Free Non-GMO
Nutricost$34.394.5★1,430 rev

Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder Slow Digesting Helps Keep You Full Overnight Muscle Recovery Creamy Vanilla 1.81 Pound (Packaging May Vary)
Optimum Nutrition$46.084.6★5,747 rev

Optimum Nutrition Gold Standard 100% Micellar Casein Protein Powder Slow Digesting Helps Keep You Full Overnight Muscle Recovery Chocolate Supreme 4 Pound (Packaging May Vary)
Optimum Nutrition$78.494.6★9,135 rev
Newest
by launch date
Its Just! - 100% Casein Protein Powder Made in USA One Ingredient Slow Burning Time Release (1 Pound (Pack of 1) Unflavored)
It's Just!$22.36326 rev

Levels 100% Micellar Casein Protein Hormone Free Chocolate 2LB
Levels Nutrition$43.24458 rev

Levels 100% Micellar Casein Protein Hormone Free Chocolate 4LB
Levels Nutrition$74.65458 rev

Levels 100% Micellar Casein Protein Hormone Free Vanilla Bean 4LB
Levels Nutrition$75.02520 rev

Nutricost Casein Protein Powder 2lb Vanilla - Micellar Casein Gluten Free Non-GMO
Nutricost$34.391,430 rev
Trending
90-day click momentum
Nutricost Casein Protein Powder 5lb - Micellar Casein Non-GMO Gluten Free (Unflavored)
Nutricost$65.164.5★

NAKED Casein - 5Lb Micellar Casein Protein Powder - Bulk Zero Carb NSF Certified GMO-Free Gluten Free Soy Free Preservative Free - Stimulate Muscle Growth - Enhance Recovery - 76 Servings
NAKED$99.184.4★

BSN SYNTHA-6 Whey Protein Powder Micellar Casein Milk Protein Isolate Powder Vanilla Ice Cream 5 Pounds 48 Servings (Pack of 1) - Package May Vary
BSN$60.374.7★

ALLMAX Casein-FX Protein Chocolate - 2 lb - 25 Grams of Slow-Release Protein Per Scoop - Low Carb & Zero Added Sugar - Approx. 27 Servings
ALLMAX$37.294.3★

Ascent Casein Protein Powder - 25g Micellar Casein Powder with Zero Artificial Flavors & Sweeteners Gluten-Free No Added Sugar 4.9g BCAA 2.2g Leucine - Chocolate 2 Pounds
Ascent$43.944.3★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good taste”
“Great protein powder”
“it also adds to the flavor”
“Excellent product”
“Worth it”
“blends well,”
“Simple to mix”
“Good for bedtime”
“This stuff AAAA+ muscles stopped being so sore”
“clean in ingredients”
What buyers complain about
“Didnt taste good”
“Weird texture”
“The chocolate flavor is unacceptably weak”
“Doesn't mix well”
“Total waste of money”
“Not overly sweet”
“this protein has been just awful”
“Not thick”
“Cant drink it”
“claiming that is not true”