Weight Loss Pills Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

July 2026

Weight Loss Pills sales on Amazon US totaled 314,000 units in July 2026 (▼ 10.6% vs. the prior month), generating an estimated $9,027,740 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 53.5% of unit volume and 58.1% of revenue, while a typical listing is priced at $28.64. The keyword itself pulled 27,455 Amazon queries over the same period (▼ 10.2% MoM).

Zooming out to the 12-month window ending July 2026, the weight loss pills Top 50 moved 3,758,000 units and $106,454,803 in cumulative sales — an average of 313,167 units and $8,871,234 per month. Monthly throughput topped out at 352,700 units in August 2025 and dipped to 207,700 in May 2026, leaving the latest reading 11.0% lower than August 2025.

3.8MTotal units sold · Last 12 months
$106.5MTotal revenue · Last 12 months
27.5K▼ 10.2% MoM
Monthly search volume
$28.64Avg. price · July 2026

Weight Loss Pills Sales Trend (Trailing 12 Months)

Based on the top 50 ASINs by monthly sales for this keyword

Sales
Revenue

2025/08

Sales352.7K
Revenue$9.5M

2025/09

Sales313.9K
Revenue$8.6M

2025/10

Sales334.2K
Revenue$9.3M

2025/11

Sales320.5K
Revenue$9.1M

2025/12

Sales247.3K
Revenue$7.1M

2026/01

Sales303.5K
Revenue$8.3M

2026/02

Sales336.6K
Revenue$10M

2026/03

Sales335K
Revenue$9.9M

2026/04

Sales343.6K
Revenue$9.9M

2026/05

Sales207.7K
Revenue$5.9M

2026/06

Sales349K
Revenue$9.8M
314K

2026/07

Sales314K
Revenue$9M
25/0925/1126/0126/0326/0526/07
ASINSIGHT
Source: www.asinsight.com

Monthly Sales 2026/07

314K

▼ 10.6% MoM

Monthly Revenue 2026/07

$9M

▼ 8.2% MoM

Top 10 Market Share 2026/07

53.5%

See the Top 10 ASINs driving 53.5% of sales

Weight Loss Pills Market Share & Sales Concentration on Amazon US — July 2026

The most-sold weight loss pills listing on Amazon US in July 2026 is ASIN B001TH7K0G (Brand: Metamucil), which sold 40,000 units at $24.49 apiece — equal to 12.7% of every unit tracked in this report and 33% ahead of the No. 2 listing.

The Top 10 ASINs account for 168,000 units and $5,242,310 in July 2026 — 53.5% of unit volume and 58.1% of revenue among all 50 ranked ASINs in this report.

Sales Volume of Top ASINs for 'Weight Loss Pills' on Amazon

July 2026
ASINSIGHT Logo
53.5% Volume Share 168K units sold
58.1% Revenue Share $5.2M estimated
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Top 5 Volume Share breakdown

B001TH7K0G 12.7%
B009LI7VRC 9.6%
B01CKLMWYS 6.4%
B0D5JL8GVL 6.4%
B006KL4TYG 3.2%
Others 61.8%
#1
Metamucil, Psyllium Husk GLP-1 Friendly Fiber Capsules, 300 Capsules, 3-in-1 Fiber Supplement, Daily Psyllium Husk Fiber Capsules Help Support Digestive Health by Promoting Regularity*

B001TH7K0G

Metamucil, Psyllium Husk GLP-1 Friendly Fiber Capsules, 300 Capsules, 3-in-1 Fiber Supplement, Daily Psyllium Husk Fiber Capsules Help Support Digestive Health by Promoting Regularity*

$24.49·★ 4.6·27.1K reviews
Monthly Sales

40K

▲ 100.0%

vs. prior month

Revenue

$1.2M

latest month

Monthly Trend

12-month trend

#2
THORNE Berberine, Dual Action Phytosome & HCl Formula, 60 Capsules | Supports Heart & Metabolic Health, Immune System, Healthy GI & Cholesterol*, Gluten, Dairy & Soy-Free, NSF Contents Certified

B009LI7VRC

THORNE Berberine, Dual Action Phytosome & HCl Formula, 60 Capsules | Supports Heart & Metabolic Health, Immune System, Healthy GI & Cholesterol*, Gluten, Dairy & Soy-Free, NSF Contents Certified

$44.00·★ 4.4·6.5K reviews
Monthly Sales

30K

▲ 0.0%

vs. prior month

Revenue

$1.3M

latest month

Monthly Trend

12-month trend

#3
Nutricost Alpha Lipoic Acid 600mg Per Serving, 240 Capsules | Gluten Free, Vegetarian Capsules, Soy Free & GMO-Free

B01CKLMWYS

Nutricost Alpha Lipoic Acid 600mg Per Serving, 240 Capsules | Gluten Free, Vegetarian Capsules, Soy Free & GMO-Free

$24.89·★ 4.5·44.5K reviews
Monthly Sales

20K

▼ 33.3%

vs. prior month

Revenue

$497.8K

latest month

Monthly Trend

12-month trend

#4
Premium Liquid Collagen for Women Weight Loss & Beauty w. Hyaluronic Acid, Biotin, L-Carnitine, ACV - Ultra Pure Multi Collagen Protein Shots Drink Hair Skin Liquid Vitamins, Colageno (Peach Ring)

B0D5JL8GVL

Premium Liquid Collagen for Women Weight Loss & Beauty w. Hyaluronic Acid, Biotin, L-Carnitine, ACV - Ultra Pure Multi Collagen Protein Shots Drink Hair Skin Liquid Vitamins, Colageno (Peach Ring)

$26.95·★ 4.4·4.5K reviews
Monthly Sales

20K

▲ 0.0%

vs. prior month

Revenue

$514.8K

latest month

Monthly Trend

12-month trend

#5
DIM Supplement 200 mg, Estrogen Balance for Women & Men, Doctor-Formulated | Hormonal Acne Menopause Hormone Balance & Antioxidant Support, Clean Label Project Certified Diindolylmethane, 60 Capsules

B006KL4TYG

DIM Supplement 200 mg, Estrogen Balance for Women & Men, Doctor-Formulated | Hormonal Acne Menopause Hormone Balance & Antioxidant Support, Clean Label Project Certified Diindolylmethane, 60 Capsules

$24.95·★ 4.4·30.1K reviews
Monthly Sales

10K

▼ 50.0%

vs. prior month

Revenue

$249.5K

latest month

Monthly Trend

12-month trend

#6
NutriFlair Berberine HCl 1200mg, 120 Capsules - Plus Ceylon Cinnamon, Berberine HCI Root Supplements Pills - Made in USA

B08HHQWBBZ

NutriFlair Berberine HCl 1200mg, 120 Capsules - Plus Ceylon Cinnamon, Berberine HCI Root Supplements Pills - Made in USA

$27.97·★ 4.4·19K reviews
Monthly Sales

10K

▼ 50.0%

vs. prior month

Revenue

$274K

latest month

Monthly Trend

12-month trend

Unlock to view all Top 50 ASIN competitors and their sales contributions

Best Weight Loss Pills Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)

Metamucil is the best-performing weight loss pills brand in July 2026, moving 40,000 units across 1 ASIN for 23.8% of Top 10 volume. THORNE follows with 30,000 units (17.9%), ahead of Nutricost on 20,000 units (11.9%).

Volume is spread across 10 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 $24.49 to $44.00, which frames the price band a competing listing has to justify.

Brand share of Top 10 volume

23.8%
17.9%
11.9%
46.4%
Metamucil
THORNE
Nutricost
Other brands
1

Metamucil

1 ASIN in Top 10

23.8%

Units

40K

Revenue

$1.2M

Avg. price

$24.49

  • Metamucil, Psyllium Husk GLP-1 Friendly Fiber Capsules, 300 Capsules, 3-in-1 Fiber Supplement, Daily Psyllium Husk Fiber Capsules Help Support Digestive Health by Promoting Regularity*

    B001TH7K0G

    $24.49·★4.6·27.1K revs

    Metamucil, Psyllium Husk GLP-1 Friendly Fiber Capsules, 300 Capsules, 3-in-1 Fiber Supplement, Daily Psyllium Husk Fiber Capsules Help Support Digestive Health by Promoting Regularity*

    Units sold40K
2

THORNE

1 ASIN in Top 10

17.9%

Units

30K

Revenue

$1.3M

Avg. price

$44.00

  • THORNE Berberine, Dual Action Phytosome & HCl Formula, 60 Capsules | Supports Heart & Metabolic Health, Immune System, Healthy GI & Cholesterol*, Gluten, Dairy & Soy-Free, NSF Contents Certified

    B009LI7VRC

    $44.00·★4.4·6.5K revs

    THORNE Berberine, Dual Action Phytosome & HCl Formula, 60 Capsules | Supports Heart & Metabolic Health, Immune System, Healthy GI & Cholesterol*, Gluten, Dairy & Soy-Free, NSF Contents Certified

    Units sold30K
3

Nutricost

1 ASIN in Top 10

11.9%

Units

20K

Revenue

$497.8K

Avg. price

$24.89

  • Nutricost Alpha Lipoic Acid 600mg Per Serving, 240 Capsules | Gluten Free, Vegetarian Capsules, Soy Free & GMO-Free

    B01CKLMWYS

    $24.89·★4.5·44.5K revs

    Nutricost Alpha Lipoic Acid 600mg Per Serving, 240 Capsules | Gluten Free, Vegetarian Capsules, Soy Free & GMO-Free

    Units sold20K

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