Best Selling Dietary Supplements: See Top Product Rankings by Sales Volume & Market Trends

August 2026
122 Products Tracked

Looking for the most popular dietary supplements products in the market? Our report leverages real Amazon monthly sales data to identify the best-performing products and the fastest-growing opportunities within the search results for the keyword "dietary supplements." Whether you're searching for winning products to launch or monitoring market trends and competitor performance, this report provides the insights you need.

Based on monthly sales analytics, our Shoppers' Top Picks highlights that ASIN B001650NNW currently leads the dietary supplements market with 100K monthly sales, followed closely by B079H53D2B with 90K monthly sales and B07QZ5CTTF with 90K monthly sales. Meanwhile, ASIN B003CT2YQY stands out as the fastest-growing product, achieving an impressive 20.0% month-over-month sales growth. By tracking competitor sales performance and shifts in market demand, sellers can uncover emerging opportunities and make more informed product and marketing decisions.

🏆Shoppers' Top PicksAmazon
by monthly sales August 2026
Purina Pro Plan Veterinary Supplements FortiFlora Probiotic Powder for Dogs, Daily Support for Digestive and Immune Health and Occasional Diarrhea
1
B001650NNW
$30.99·
4.7
Units/sold100K
Physician's CHOICE Probiotics 60 Billion CFU - 10 Strains + Organic Prebiotics - Immune, Digestive & Gut Health - Supports Occasional Constipation, Diarrhea, Gas & Bloating - for Women & Men - 30ct
2
B079H53D2B
$21.35·
4.6
Units/sold90K
Nutrafol Women's Balance Hair Growth Supplements, Age 45+, 1-Month Bottle | #1 Dermatologist-Recommended Hair Growth Supplement Brand, Clinically Tested for Visibly Thicker Hair and Scalp Coverage
3
B07QZ5CTTF
$88.00·
4.1
Units/sold90K
🚀Fastest Growing
by MoM sales growth
Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Sugar-Free, 180 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber
#1
B003CT2YQY
$33.12·
4.7
Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Sugar-Free, 180 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber
Units/sold
60K20.0%
Nature’s Bounty High Absorption Magnesium Glycinate 240 mg for Supporting Muscle Relaxation and Bone, Heart & Nerve Health – Non-GMO, Gluten-Free, Vegetarian, 120 Count/60 Servings
#2
B0DT1JKGPH
$14.79·
4.7
Nature’s Bounty High Absorption Magnesium Glycinate 240 mg for Supporting Muscle Relaxation and Bone, Heart & Nerve Health – Non-GMO, Gluten-Free, Vegetarian, 120 Count/60 Servings
Units/sold
70K16.7%

Top Selling Dietary Supplements

As of August 2026, we analyzed 122 tracked products in Amazon's "dietary supplements" search results and generated the following sales chart and product rankings based on monthly sales data. The ranking below highlights the Top 10 products by estimated monthly sales. According to the latest data, these products generated between 60,000 and 100,000 monthly sales. B001650NNW leads the dietary supplements market with an estimated 100,000 monthly sales.

122Products Tracked
77,000Top 10 Avg. Sales
$29.71Top 10 Avg. Price
4.6Top 10 Avg. Rating
🏆
Purina Pro Plan Veterinary Supplements FortiFlora Probiotic Powder for Dogs, Daily Support for Digestive and Immune Health and Occasional Diarrhea
#1
B001650NNW

Purina Pro Plan Veterinary Supplements FortiFlora Probiotic Powder for Dogs, Daily Support for Digestive and Immune Health and Occasional Diarrhea

100,000
Units Sold/mo
$30.99
Price
4.7
Rating
49.4K
Reviews
2
Physician's CHOICE Probiotics 60 Billion CFU - 10 Strains + Organic Prebiotics - Immune, Digestive & Gut Health - Supports Occasional Constipation, Diarrhea, Gas & Bloating - for Women & Men - 30ct
B079H53D2B
$21.35
4.6 (144.2K)
Physician's CHOICE Probiotics 60 Billion CFU - 10 Strains + Organic Prebiotics - Immune, Digestive & Gut Health - Supports Occasional Constipation, Diarrhea, Gas & Bloating - for Women & Men - 30ct
90,000 Units Sold/mo▼ 20.0%
3
Nutrafol Women's Balance Hair Growth Supplements, Age 45+, 1-Month Bottle | #1 Dermatologist-Recommended Hair Growth Supplement Brand, Clinically Tested for Visibly Thicker Hair and Scalp Coverage
B07QZ5CTTF
$88.00
4.1 (15.6K)
Nutrafol Women's Balance Hair Growth Supplements, Age 45+, 1-Month Bottle | #1 Dermatologist-Recommended Hair Growth Supplement Brand, Clinically Tested for Visibly Thicker Hair and Scalp Coverage
90,000 Units Sold/mo▼ 10.0%
4
Pure Encapsulations Magnesium (Glycinate), 180 Capsules | Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism*, with Magnesium Glycinate
B0058HWV9S
$46.50
4.7 (50.7K)
Pure Encapsulations Magnesium (Glycinate), 180 Capsules | Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism*, with Magnesium Glycinate
80,000 Units Sold/mo▼ 22.2%
5
Sports Research Omega-3 Fish Oil 1250mg from Wild Alaska Pollock, 90 Count | Always Fresh Never Fishy | 690mg EPA 260mg DHA per Softgel · Heart & Brain Health* · MSC Certified Sustainable - 90 Servings
B07DX89ZHN
$27.95
4.7 (59.8K)
Sports Research Omega-3 Fish Oil 1250mg from Wild Alaska Pollock, 90 Count | Always Fresh Never Fishy | 690mg EPA 260mg DHA per Softgel · Heart & Brain Health* · MSC Certified Sustainable - 90 Servings
80,000 Units Sold/mo▼ 40.0%
10
Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Sugar-Free, 180 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber
B003CT2YQY
$33.12
4.7 (35.4K)
Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Sugar-Free, 180 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber
60,000 Units Sold/mo▲ 20.0%
View All 122 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the dietary supplements price landscape, we segmented all 122 tracked listings in Amazon's live "dietary supplements" search results across the full price spectrum, and surfaced the top 3 price tiers by share below to highlight where competition concentrates and where pricing gaps exist.

Leading the distribution, the $20.00 ~ $50.00 band is the category's best dietary supplements price zone, absorbing 56% of the assortment (256 products) — this is where listing density is highest and where new entrants face the steepest competition for share-of-voice. Use the tier breakdown below to identify the top-ranking ASIN, monthly sales velocity, and rating profile within each band — essential inputs for pricing strategy, sourcing decisions, and competitive benchmarking in the dietary supplements category.

Top 3 Price Tiers

$20.00 ~ $50.00 is the most competitive price tier, containing 56% of tracked products.

Sweet Spot
$20.00 ~ $50.00
Tier 1
56%
256 products

Top products in this price tier

#1
B001650NNW
$30.99
100k Units Sold/mo
Unlock Top Performers
#2
$10.00 ~ $20.00
Tier 2
25%
114 products
$50.00 ~ $100.00
Tier 3
11%
49 products
$0.00 ~ $10.00
8%
Unlock to view all price tier distributions and their ASIN sales contributions

"Dietary supplements" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "dietary supplements" in the US marketplace. This report provides insights into keyword search volume, Amazon search trends, competition levels, and conversion efficiency for sellers and brands.

During the week of 2026-08-09 to 2026-08-15, the Amazon USweekly search volume for "dietary supplements" was approximately 391 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #466,627, dropping 68,860 positions from the previous week. Additionally, the top 3 products for this keyword capture 19.7% of the total click share and 27.3% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

dietary supplements

ASINSIGHT
Search Frequency Rank
466,627
68,860
Search Volume
391
15.4%
Top 3 Click Share
19.7%
Top 3 Conv. Share
27.3%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
391
View full trends for the past 3 years
AugSepOctNovDecJanFebMarAprMayJunJulAug

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