---
title: "Humic Acid — $262K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/humic-acid"
last_updated: "2026-08-11T05:49:48.107Z"
locale: en
meta:
description: "Niche score 67/100 · $262K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 67/100 · $262K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Humic Acid — $262K/yr Amazon US Niche (2026) - Flapen"
---
# **humic acid**
**Worth a look**
Shows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 48Growth 94Conversion 54Competition 65Returns 99Price range 89Avg price 95Brand share 60Review moat 54Quality gap 25
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$34.00**
avg listing price — sweet spot $15–$100
**Growth**
**Great****+107.9%**
90-day search growth — must beat 0% to launch
**Price range**
**Great****$10.01–$101.37**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****46%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****69%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Good****4.5%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****1,349.34**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$262K**
$262K/yr · 170K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United States niche tracking, humic acid is a $262K/yr Amazon United States market (170K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 67/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **humic acid market data**
- **Units sold / yr**
- **8K–10K**
- avg 100–250/product
- **Revenue / yr**
- **$272K–$340K**
- units × avg price
- **Conversion rate**
- **4.5%**
- **Avg BSR**
- **#853**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **86%**
- **Out of stock**
- **8.8%**
- **Avg brand age**
- **73 months**
- **Avg seller age**
- **138 days**
## **Competition & brand share**
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **—flat
**Sellers**
**20**
**Top-5 brand share**
**69%**
Top 20: 100%
**Top-5 click share**
**46%**
Top 20: 91%
**Open market**
**22%**
- GS Plant Foods21% - Bloom City14% - The Andersons13% - Farmer's Secret11% - Simple Lawn Solutions10% - PowerGrow Systems9%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +107.9% search growth over the last 90 days.
7K5KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 5.6×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/humic-acid/trend)
## **Top humic acid search terms**
- **humic acid**76K/yr+69.8%4.5% conv. - **humic acid for plants**42K/yr+101.8%4.4% conv. - **humic acid for lawn**29K/yr+191.3%5.5% conv. - **humic acid fertilizer**7K/yr+368.0%3.1% conv. - **humic**7K/yr+117.4%1.7% conv. - **humic acid powder**5K/yr+122.3%2.9% conv. - **humic acid for lawns**3K/yr+262.1%3.7% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/humic-acid/search-terms)
## **Top humic acid products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%$10K8%$21K12%$31K16%$42K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**GS Plant Foods Humic Acid Soil Amendment Leonardite-Derived Liquid Concentrate for Improved Soil Structure & Nutrient Availability OMRI Listed for Organic Use 32 Oz**GS Plant Foods**$20.64**4.6★2,485 rev](https://www.amazon.com/dp/B00CSAMK4E) [2**Humic Acids - Humic Acid Fertilizer & Conditioner (HUMIC Acid 5 LB Bag)**PowerGrow Systems**$17.98**4.4★121 rev](https://www.amazon.com/dp/B08TTB8NCL) [3**Farmers Secret Soil Revitalizer - Organic (OMRI Listed) Dirt Health Booster - Liquid Compost Soil Amendment - Activated Humic Acid (32oz)**Farmer's Secret**$20.01**4.6★2,117 rev](https://www.amazon.com/dp/B09JDGBPND) [4**Bloom City Humic Acid Liquid Soil Conditioner for Stronger Root Growth Better Nutrient Uptake & Greener Grass**Bloom City**$18.08**4.6★267 rev](https://www.amazon.com/dp/B077SXQ1QT) [5**Organic Super Seaweed Humic Acid Blend- Liquid Sea Kelp for Grass and Plants - Soil Hume - Simple Grow Solutions- Natural Lawn & Garden Concentrate- Use with Fertilizer Program (32 Ounce)**Simple Lawn Solutions**$22.57**4.6★2,045 rev](https://www.amazon.com/dp/B07QPB5H63)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Humic Acid Granules High Concentration Soil Conditioner Organic Soil Amendment for Lawns Gardens Vegetables & Plants Improves Nutrient Uptake & Root Growth 2.2 lb (1 kg)**Generic**$25.62**3 rev5mo ago](https://www.amazon.com/dp/B0GM1NWWWR) [**Prevegenics Humic Acid Powder 0-0-10 | Premium Soluble Fertilizer & Soil Conditioner | Enhances Nutrient Uptake Root Growth & Microbial Activity (1.5 pounds)**Prevegenics**$18.97**8 rev9mo ago](https://www.amazon.com/dp/B0FWD18CNF) [**64oz 20% Humic Acid for Lawn - Covers 10 000 sq ft Humic20 Soil Amendments Ideal Soil Conditioner for Lawns Promotes Aeration & Better Structure for Stronger Roots & Healthy Grass Growth**Stateside**$22.93**184 rev2y ago](https://www.amazon.com/dp/B0D29LP565) [**1 Gallon 20% Humic Acid for Lawn - Covers 20 000 sq ft Humic20 Soil Amendments Ideal Soil Conditioner for Lawns Promotes Aeration & Better Structure for Stronger Roots & Healthy Grass Growth**Stateside**$38.82**184 rev2y ago](https://www.amazon.com/dp/B0D29L7CFV) [**Farmers Secret Soil Revitalizer - Organic (OMRI Listed) Dirt Health Booster - Liquid Compost Soil Amendment - Activated Humic Acid (128oz)**Farmer's Secret**$39.90**2,117 rev2y ago](https://www.amazon.com/dp/B0CSF1TKVP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Bloom City Humic Acid Liquid Soil Conditioner for Stronger Root Growth Better Nutrient Uptake & Greener Grass**Bloom City**$33.24**4.6★**▲ 102%**](https://www.amazon.com/dp/B077SXRN15) [**Farmers Secret Soil Revitalizer - Organic (OMRI Listed) Dirt Health Booster - Liquid Compost Soil Amendment - Activated Humic Acid (128oz)**Farmer's Secret**$39.90**4.6★**▲ 72%**](https://www.amazon.com/dp/B0CSF1TKVP) [**Humic Acid Granules High Concentration Soil Conditioner Organic Soil Amendment for Lawns Gardens Vegetables & Plants Improves Nutrient Uptake & Root Growth 2.2 lb (1 kg)**Generic**$25.62**4.6★**▲ 68%**](https://www.amazon.com/dp/B0GM1NWWWR) [**GS Plant Foods Humic Acid Soil Amendment Leonardite-Derived Liquid Concentrate for Improved Soil Structure & Nutrient Availability OMRI Listed for Organic Use 32 Oz**GS Plant Foods**$20.64**4.6★**▲ 42%**](https://www.amazon.com/dp/B00CSAMK4E) [**64oz 20% Humic Acid for Lawn - Covers 10 000 sq ft Humic20 Soil Amendments Ideal Soil Conditioner for Lawns Promotes Aeration & Better Structure for Stronger Roots & Healthy Grass Growth**Stateside**$22.93**4.6★**▲ 33%**](https://www.amazon.com/dp/B0D29LP565)
**~~View all trending →~~**
## **What buyers say about humic acid**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Plant Growth**29%
*“Everything is blooming”*
**Quality-Overall**16%
*“They have a great line of products”*
**Advertised Vs Actual Product**9%
*“Works as it claims”*
**Value For Money**7%
*“Good value”*
**Ease Of Use**6%
*“Easy to use”*
**Strength**4%
*“Effective”*
**Efficiency**3%
*“works well”*
**Color**2%
*“with better color”*
**Spray/Flow**2%
*“Easy spray”*
**Eco Friendliness**2%
*“Great compost”*
### **What buyers complain about **
**Value For Money**16%
*“Its a little pricey”*
**Plant Growth**13%
*“Made plants worse”*
**Functionality-Overall**7%
*“Did not make a difference”*
**Size-Overall**5%
*“Small”*
**Advertised Vs Actual Product**5%
*“Not what it says”*
**Taste-Overall**4%
*“I couldn't even take it once the taste and, more importantly, that eating dirt sensation in my mouth made it impossible for me to swallow”*
**Instructions/User Manual/Troubleshooting**4%
*“the provided information/instructions make it a bit challenging”*
**Color**4%
*“My lawn becomes greenish”*
**Ease Of Cleaning**3%
*“Can be messy if not careful when mixing”*
**Measurement/Reading Accuracy**2%
*“honestly sort of hard to gauge”*
### **Top return reasons **
**Leak-Proof**35%
**Size-Overall**16%
**Advertised Vs Actual Product**12%
**Value For Money**10%
**Functionality-Overall**8%
**Plant Growth**2%
**Color**2%
**Instructions/User Manual/Troubleshooting**2%
**Defective Material/Parts**1%
**Stain Resistance**1%
## **Common questions**
- **Is humic acid profitable to sell on Amazon United States?**
- The niche generates $262K/yr across 29 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +107.9%. Flapen's verdict: Worth a look (67/100).
- **How competitive is the humic acid niche?**
- 15 brands and 20 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 69% of demand.
- **What do buyers complain about in humic acid?**
- Top complaints mined from reviews: Value For Money, Plant Growth, Functionality-Overall. The return rate is 0.2%.
- **When does demand for humic acid peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 5.6× the quietest.
- **What does it cost to enter the humic acid niche?**
- Listings span $10.01–$101.37; the average listing price is $34.00 (sweet spot $15–$100). The average incumbent carries 1,349 reviews — the moat a new listing must climb.
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