Fiber Bars Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Fiber Bars sales on Amazon US totaled 620,000 units in July 2026 (▼ 6.5% vs. the prior month), generating an estimated $9,538,740 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 45.2% of unit volume and 45.6% of revenue, while a typical listing is priced at $15.09. The keyword itself pulled 16,912 Amazon queries over the same period (▲ 1.7% MoM).
Zooming out to the 12-month window ending July 2026, the fiber bars Top 50 moved 7,002,050 units and $109,291,750 in cumulative sales — an average of 583,504 units and $9,107,646 per month. Monthly throughput topped out at 675,000 units in April 2026 and dipped to 423,000 in May 2026, leaving the latest reading 6.5% higher than August 2025.
Fiber 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
620K
▼ 6.5% MoM
Monthly Revenue 2026/07
$9.5M
▼ 7.3% MoM
Top 10 Market Share 2026/07
45.2%
Fiber Bars Market Share & Sales Concentration on Amazon US — July 2026
The most-sold fiber bars listing on Amazon US in July 2026 is ASIN B0BDP24LP4 (Brand: Metamucil), which sold 60,000 units at $24.95 apiece — equal to 9.7% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 280,000 units and $4,346,400 in July 2026 — 45.2% of unit volume and 45.6% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Fiber Bars' on Amazon
July 2026
Is 45.2% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B0BDP24LP4
Metamucil Fiber Gummies for Adults, No Sugar Added Orange Flavor, 5g Prebiotic Plant Based Fiber Supplement Blend, 120 Count
60K
▲ 0.0%vs. prior month
$1.5M
latest month
12-month trend
B00GJ82VK4
Pure Protein Chocolate Peanut Butter Protein Bars, 20g Protein, 12 Ct | 3g Sugar, 190 Calories, Low Sugar* High Protein Snack, Gluten Free
30K
▼ 25.0%vs. prior month
$465.6K
latest month
12-month trend
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
B0BCH583WK
KIND PB Banana Dark Choc Protein Breakfast Bar 6 Count, 10.58 OZ
30K
▲ 0.0%vs. prior month
$152.4K
latest month
12-month trend
B007PE7ANY
KIND Healthy Snacks Bars, Dark Chocolate Nuts & Sea Salt, Gluten Free, Low Sugar, High Fiber Snacks, 6g Protein, 12 Count
30K
▲ 50.0%vs. prior month
$354.9K
latest month
12-month trend
B00DLDH1N2
Quest Nutrition Chocolate Chip Cookie Dough Protein Bars, High Protein, Low Carb, Gluten Free, Keto Friendly, 12 Count
20K
▲ 0.0%vs. prior month
$526.2K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Fiber Bars Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Metamucil is the best-performing fiber bars brand in July 2026, moving 60,000 units across 1 ASIN for 21.4% of Top 10 volume. KIND follows with 60,000 units (21.4%), ahead of Pure Protein on 30,000 units (10.7%).
Volume is spread across 9 brands, with the top three holding 53.6% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $9.08 to $24.95, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Metamucil
1 ASIN in Top 10
21.4%
Units
60K
Revenue
$1.5M
Avg. price
$24.95
B0BDP24LP4
$24.95·★4.6·17.6K revsMetamucil Fiber Gummies for Adults, No Sugar Added Orange Flavor, 5g Prebiotic Plant Based Fiber Supplement Blend, 120 Count
Units sold60K
KIND
2 ASINs in Top 10
21.4%
Units
60K
Revenue
$507.3K
Avg. price
$9.08
B0BCH583WK
$4.98·★4.6·3.9K revsKIND PB Banana Dark Choc Protein Breakfast Bar 6 Count, 10.58 OZ
Units sold30KB007PE7ANY
$13.18·★4.7·25.1K revsKIND Healthy Snacks Bars, Dark Chocolate Nuts & Sea Salt, Gluten Free, Low Sugar, High Fiber Snacks, 6g Protein, 12 Count
Units sold30K
Pure Protein
1 ASIN in Top 10
10.7%
Units
30K
Revenue
$465.6K
Avg. price
$15.13
B00GJ82VK4
$15.13·★4.5·22.8K revsPure Protein Chocolate Peanut Butter Protein Bars, 20g Protein, 12 Ct | 3g Sugar, 190 Calories, Low Sugar* High Protein Snack, Gluten Free
Units sold30K
Trending Fiber 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: B006BHRU9U booked 20K units at $8.58, with ▲ 100.0% MoM change. On the growth side, B007PE7ANY leads positive momentum with ▲ 50.0% MoM growth on 30K units, with B0D4RW2P5W close behind at ▲ 16.7% MoM on 7K 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.
B006BHRU9U
Nature’s Bakery Whole Wheat Fig Bars, Blueberry, Real Fruit, Vegan, Non-GMO, Snack bar, Twin packs- 12 count
Price
$8.58
Rating
4.7
Reviews
14K
Latest month sales
B007PE7ANY
KIND Healthy Snacks Bars, Dark Chocolate Nuts & Sea Salt, Gluten Free, Low Sugar, High Fiber Snacks, 6g Protein, 12 Count
Price
$13.18
Rating
4.7
Reviews
25.1K
Latest month sales
B0D4RW2P5W
Zbar Protein - Cookies 'N Creme - Snack Bars - Made with Organic Oats - Non-GMO - 5g Protein - Gluten Free Protein Bars - Snacks for Kids (15 Pack)
Unlock to view ASIN details and product titles
Price
$14.65
Rating
4.6
Reviews
800
Latest month sales
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