Rx Protein Bars Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Rx Protein Bars sales on Amazon US totaled 232,600 units in July 2026 (▼ 14.0% vs. the prior month), generating an estimated $5,330,891 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 54.6% of unit volume and 56.0% of revenue, while a typical listing is priced at $24.22. The keyword itself pulled 35,740 Amazon queries over the same period (▲ 4.9% MoM).
Zooming out to the 12-month window ending July 2026, the rx protein bars Top 50 moved 2,780,000 units and $62,007,522 in cumulative sales — an average of 231,667 units and $5,167,294 per month. Monthly throughput topped out at 270,600 units in June 2026 and dipped to 170,400 in May 2026, leaving the latest reading 3.9% higher than August 2025.
Rx Protein Bars Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
232.6K
▼ 14.0% MoM
Monthly Revenue 2026/07
$5.3M
▼ 11.7% MoM
Top 10 Market Share 2026/07
54.6%
Rx Protein Bars Market Share & Sales Concentration on Amazon US — July 2026
The most-sold rx protein bars listing on Amazon US in July 2026 is ASIN B0178ENI4K (Brand: ALOHA), which sold 30,000 units at $25.42 apiece — equal to 12.9% of every unit tracked in this report and 1.5× the volume of the No. 2 listing.
The Top 10 ASINs account for 127,000 units and $2,984,640 in July 2026 — 54.6% of unit volume and 56.0% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Rx Protein Bars' on Amazon
July 2026
Is 54.6% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B0178ENI4K
ALOHA Organic Plant Based Protein Bar | Peanut Butter Chocolate Chip, 12 Ct | 14g Plant-Based Protein, 10g Fiber, 5g Sugar | GLP-1 & Keto Friendly, No Sucralose or Stevia | Non-GMO, Vegan & Dairy Free
30K
▲ 0.0%vs. prior month
$635.7K
latest month
12-month trend
B0CXQ6QP2B
CLIF Bar Protein Energy Bars, Crunchy Peanut Butter, 15ct | 11g Protein, Made with Organic Oats, Non-GMO, Plant-Based, No High Fructose Corn Syrup
20K
▲ 0.0%vs. prior month
$345K
latest month
12-month trend
B09PYB4MQS
Barebells Protein Bars Variety Pack - 12 Count, 1.9oz Bars - Protein Snacks with 20g of High Protein - Chocolate Protein Bar with 1g of Total Sugars - Perfect on The Go Protein Snack & Breakfast Bars
10K
▲ 3233.3%vs. prior month
$331.2K
latest month
12-month trend
B09QHBBGJT
CLIF BUILDERS Protein Bars, Chocolatey Peanut Butter, Gluten Free, 12 ct | 20g Plant Based Protein, Non-GMO Project Verified, No Artificial Sweeteners, Low Glycemic, Certified Kosher
10K
▼ 50.0%vs. prior month
$190.6K
latest month
12-month trend
B0BCR4H9KJ
BUILT Puff Protein Bars, Variety Pack, 15g-17g Protein - 12 Count | Protein Snack Bars with Collagen, Calorie Conscious, Some Flavors Gluten Free
10K
▼ 50.0%vs. prior month
$299.9K
latest month
12-month trend
B0CND6BGC6
RXBAR Protein Bars, 12g Protein, Gluten Free Snacks, 3-Flavor Variety Pack, 18.3oz Box (10 Bars)
10K
▲ 0.0%vs. prior month
$169.8K
latest month
12-month trend
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Best Rx Protein Bars Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
ALOHA is the best-performing rx protein bars brand in July 2026, moving 30,000 units across 1 ASIN for 23.6% of Top 10 volume. RXBAR follows with 28,000 units (22.0%), ahead of CLIF Bar on 20,000 units (15.7%).
With 8 brands splitting the Top 10 and 61.4% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $17.24 to $25.42, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
ALOHA
1 ASIN in Top 10
23.6%
Units
30K
Revenue
$635.7K
Avg. price
$25.42
B0178ENI4K
$25.42·★4.5·8.5K revsALOHA Organic Plant Based Protein Bar | Peanut Butter Chocolate Chip, 12 Ct | 14g Plant-Based Protein, 10g Fiber, 5g Sugar | GLP-1 & Keto Friendly, No Sucralose or Stevia | Non-GMO, Vegan & Dairy Free
Units sold30K
RXBAR
3 ASINs in Top 10
22.0%
Units
28K
Revenue
$568.5K
Avg. price
$21.43
B0CND6BGC6
$16.98·★4.4·1.2K revsRXBAR Protein Bars, 12g Protein, Gluten Free Snacks, 3-Flavor Variety Pack, 18.3oz Box (10 Bars)
Units sold10KB09KMWCX72
$20.32·★4.6·1.4K revsRXBAR Nut Butter and Oat Protein Bars, Protein Snacks, Snack Bars, Honey Cinnamon Peanut Butter, 23.2oz Box (12 Bars)
Units sold9KB0143NQVQ6
$26.98·★4.4·12.1K revsRXBAR Protein Bars, 12g Protein, Gluten Free Snacks, Chocolate Sea Salt, 22oz Box (12 Bars)
Units sold9K
CLIF Bar
1 ASIN in Top 10
15.7%
Units
20K
Revenue
$345K
Avg. price
$17.24
B0CXQ6QP2B
$17.24·★4.7·2.8K revsCLIF Bar Protein Energy Bars, Crunchy Peanut Butter, 15ct | 11g Protein, Made with Organic Oats, Non-GMO, Plant-Based, No High Fructose Corn Syrup
Units sold20K
Trending Rx Protein Bars Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B09PYB4MQS booked 10K units at $32.49, with ▲ 3233.3% MoM change. On the growth side, B00VRALMVI leads positive momentum with ▲ 233.3% MoM growth on 1K units, with B0FHMLH6Q9 close behind at ▲ 100.0% MoM on 8K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B09PYB4MQS
Barebells Protein Bars Variety Pack - 12 Count, 1.9oz Bars - Protein Snacks with 20g of High Protein - Chocolate Protein Bar with 1g of Total Sugars - Perfect on The Go Protein Snack & Breakfast Bars
Price
$32.49
Rating
4.5
Reviews
4.3K
Latest month sales
B00VRALMVI
MET-Rx Big 100 Colossal Protein Bars, Crispy Apple Pie, 9 Ct | Great as Healthy Meal Replacement, Snack, and Help Support Energy, With Vitamin A, Vitamin C, and Zinc
Price
$37.83
Rating
4.6
Reviews
2.4K
Latest month sales
B0FHMLH6Q9
KIND Protein MAX Bars Variety Pack, Gluten Free, Low Sugar, High Fiber Snacks, Sweet & Salty Caramel Peanut Crisp, Crispy Chocolate Peanut Butter, 20g Protein, 12 Count
Unlock to view ASIN details and product titles
Price
$25.31
Rating
4.2
Reviews
745
Latest month sales
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