Best Selling Slow Fe: See Top Product Rankings by Sales Volume & Market Trends

July 2026
100 Products Tracked

Looking for the most popular slow fe 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 "slow fe." 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 B003PGJLRO currently leads the slow fe market with 50K monthly sales, followed closely by B0797GZDZL with 40K monthly sales and B00140Z5DW with 20K monthly sales. Meanwhile, ASIN B0797GZDZL stands out as the fastest-growing product, achieving an impressive 100.0% 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 July 2026
Nature Made Iron 65 mg (325 mg Ferrous Sulfate) Tablets, Iron Supplements, Dietary Supplement for Red Blood Cell Support, 180 Tablets, 180 Day Supply
1
B003PGJLRO
$7.06·
4.7
Units/sold50K
THORNE - Iron Bisglycinate - 25 mg Iron Supplement for Enhanced Absorption Without Gastrointestinal Side Effects* - NSF Certified for Sport - Gluten-Free - 60 Servings
2
B0797GZDZL
$16.00·
4.7
Units/sold40K
Vitron-C Iron Supplement, Immunity Support Iron Supplements with Vitamin C, Iron Pills for Immune Support, 60 Count
3
B00140Z5DW
$12.97·
4.6
Units/sold20K
🚀Fastest Growing
by MoM sales growth
THORNE - Iron Bisglycinate - 25 mg Iron Supplement for Enhanced Absorption Without Gastrointestinal Side Effects* - NSF Certified for Sport - Gluten-Free - 60 Servings
#1
B0797GZDZL
$16.00·
4.7
THORNE - Iron Bisglycinate - 25 mg Iron Supplement for Enhanced Absorption Without Gastrointestinal Side Effects* - NSF Certified for Sport - Gluten-Free - 60 Servings
Units/sold
40K100.0%
Vitron-C Iron Supplement, Immunity Support Iron Supplements with Vitamin C, Iron Pills for Immune Support, 60 Count
#2
B00140Z5DW
$12.97·
4.6
Vitron-C Iron Supplement, Immunity Support Iron Supplements with Vitamin C, Iron Pills for Immune Support, 60 Count
Units/sold
20K100.0%

Top Selling Slow Fe

As of July 2026, we analyzed 100 tracked products in Amazon's "slow fe" 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 9,000 and 50,000 monthly sales. B003PGJLRO leads the slow fe market with an estimated 50,000 monthly sales, up 49.0% from the previous month.

100Products Tracked
17,700Top 10 Avg. Sales
$16.84Top 10 Avg. Price
4.6Top 10 Avg. Rating
🏆
Nature Made Iron 65 mg (325 mg Ferrous Sulfate) Tablets, Iron Supplements, Dietary Supplement for Red Blood Cell Support, 180 Tablets, 180 Day Supply
#1
B003PGJLRO

Nature Made Iron 65 mg (325 mg Ferrous Sulfate) Tablets, Iron Supplements, Dietary Supplement for Red Blood Cell Support, 180 Tablets, 180 Day Supply

50,000
▲ 49.0%
Units Sold/mo
$7.06
Price
4.7
Rating
54.9K
Reviews
2
THORNE - Iron Bisglycinate - 25 mg Iron Supplement for Enhanced Absorption Without Gastrointestinal Side Effects* - NSF Certified for Sport - Gluten-Free - 60 Servings
B0797GZDZL
$16.00
4.7 (8.5K)
THORNE - Iron Bisglycinate - 25 mg Iron Supplement for Enhanced Absorption Without Gastrointestinal Side Effects* - NSF Certified for Sport - Gluten-Free - 60 Servings
40,000 Units Sold/mo▲ 100.0%
3
Vitron-C Iron Supplement, Immunity Support Iron Supplements with Vitamin C, Iron Pills for Immune Support, 60 Count
B00140Z5DW
$12.97
4.6 (31.4K)
Vitron-C Iron Supplement, Immunity Support Iron Supplements with Vitamin C, Iron Pills for Immune Support, 60 Count
20,000 Units Sold/mo▲ 100.0%
4
21st Century Slow Release Iron Tablets, 60 Count
B00582WT6I
$4.99
4.6 (15K)
21st Century Slow Release Iron Tablets, 60 Count
10,000 Units Sold/mo▲ 25.0%
5
Nature’s Bounty Gentle Iron 28 mg Capsules with Vitamin C, Folic Acid, Vitamin B-12 Iron Supplement, Non-GMO, Gluten-Free, 90 Count
B0061GLELG
$4.99
4.7 (1K)
Nature’s Bounty Gentle Iron 28 mg Capsules with Vitamin C, Folic Acid, Vitamin B-12 Iron Supplement, Non-GMO, Gluten-Free, 90 Count
10,000 Units Sold/mo▲ 2.3%
10
Iron Supplement for Women - Iron 65mg (Ferrous Sulfate 325mg) - Stomach Friendly | Slow Release | High Absorption - Vitamins C, D3, B6, B12 & Folate - Energy Support - 60 Capsules, 2 Month Supply
B0D47FBQP6
$17.90
4.6 (2.1K)
Iron Supplement for Women - Iron 65mg (Ferrous Sulfate 325mg) - Stomach Friendly | Slow Release | High Absorption - Vitamins C, D3, B6, B12 & Folate - Energy Support - 60 Capsules, 2 Month Supply
9,000 Units Sold/mo▲ 28.6%
View All 100 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the slow fe price landscape, we segmented all 100 tracked listings in Amazon's live "slow fe" 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 slow fe price zone, absorbing 41% of the assortment (325 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 slow fe category.

Top 3 Price Tiers

$20.00 ~ $50.00 is the most competitive price tier, containing 41% of tracked products.

Sweet Spot
$20.00 ~ $50.00
Tier 1
41%
325 products

Top products in this price tier

#1
B003PGJLRO
$7.06
50k Units Sold/mo
Unlock Top Performers
#2
$10.00 ~ $20.00
Tier 2
23%
180 products
$50.00 ~ $100.00
Tier 3
12%
96 products
$0.00 ~ $10.00
11%
Unlock to view all price tier distributions and their ASIN sales contributions

"Slow fe" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "slow fe" 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 2026-07-12 to 2026-07-18, the Amazon USweekly search volume for "slow fe" was approximately 5,213 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #42,479, climbing 1,182 positions from the previous week. Additionally, the top 3 products for this keyword capture 92.1% of the total click share and 85.7% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

slow fe

ASINSIGHT
Search Frequency Rank
42,479
1,182
Search Volume
5,213
2.1%
Top 3 Click Share
92.1%
Top 3 Conv. Share
85.7%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
5,213
View full trends for the past 3 years
JulAugSepOctNovDecJanFebMarAprMayJunJul

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