humic acid
Worth a lookShows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Avg price
Incredible$34.00avg listing price — sweet spot $15–$100
Growth
Great+107.9%90-day search growth — must beat 0% to launch
Price range
Great$10.01–$101.37cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Brand share
Good69%top-5 brand share — brands hold most of the demand
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Review moat
Good1,349.34avg incumbent reviews — the moat a new listing must climb
Market size
Okay$262K$262K/yr · 170K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
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
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.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 5.6×
Top humic acid search terms
- humic acid76K/yr
- humic acid for plants42K/yr
- humic acid for lawn29K/yr
- humic acid fertilizer7K/yr
- humic7K/yr
- humic acid powder5K/yr
- humic acid for lawns3K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$20.644.6★2,485 rev
Humic Acids - Humic Acid Fertilizer & Conditioner (HUMIC Acid 5 LB Bag)
PowerGrow Systems$17.984.4★121 rev
Farmers Secret Soil Revitalizer - Organic (OMRI Listed) Dirt Health Booster - Liquid Compost Soil Amendment - Activated Humic Acid (32oz)
Farmer's Secret$20.014.6★2,117 rev
Bloom City Humic Acid Liquid Soil Conditioner for Stronger Root Growth Better Nutrient Uptake & Greener Grass
Bloom City$18.084.6★267 rev
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$22.574.6★2,045 rev
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$25.623 rev
Prevegenics Humic Acid Powder 0-0-10 | Premium Soluble Fertilizer & Soil Conditioner | Enhances Nutrient Uptake Root Growth & Microbial Activity (1.5 pounds)
Prevegenics$18.978 rev
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$22.93184 rev
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$38.82184 rev
Farmers Secret Soil Revitalizer - Organic (OMRI Listed) Dirt Health Booster - Liquid Compost Soil Amendment - Activated Humic Acid (128oz)
Farmer's Secret$39.902,117 rev
Trending
90-day click momentum
Bloom City Humic Acid Liquid Soil Conditioner for Stronger Root Growth Better Nutrient Uptake & Greener Grass
Bloom City$33.244.6★
Farmers Secret Soil Revitalizer - Organic (OMRI Listed) Dirt Health Booster - Liquid Compost Soil Amendment - Activated Humic Acid (128oz)
Farmer's Secret$39.904.6★
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$25.624.6★
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$20.644.6★
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$22.934.6★
What buyers say about humic acid
What buyers praise and complain about, mined from review topics.What buyers love
“Everything is blooming”
“They have a great line of products”
“Works as it claims”
“Good value”
“Easy to use”
“Effective”
“works well”
“with better color”
“Easy spray”
“Great compost”
What buyers complain about
“Its a little pricey”
“Made plants worse”
“Did not make a difference”
“Small”
“Not what it says”
“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”
“the provided information/instructions make it a bit challenging”
“My lawn becomes greenish”
“Can be messy if not careful when mixing”
“honestly sort of hard to gauge”
Top return reasons
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.