Histamine Supplement
MaybeAn estimated 0.0% of orders come back. But the top 5 products take 85% of clicks, so Histamine Supplement is a Maybe.
- Flapen Score
- 50 / 100Top 44% of 14,768 Health & Household niches · +1 vs the category median of 4950
- Market size
- $147K/yr29K searches / yr
- 90-day growth
- +14.4%search demand this quarter
- Competition
- 85%top-5 click share · 8 brands · 26 sellers
Flapen Score
Histamine Supplement against its category
The dotted line is the Health & Household average. Past it, Histamine Supplement is stronger. Inside it, weaker.
Market
The Histamine Supplement market on Amazon at a glance
Shoppers on Amazon United States searched for Histamine Supplement 29K times last year and spent an estimated $147K. The top 5 brands take 92% of clicks. Flapen scores it 50 out of 100, a Maybe.
01 · Demand
An estimated 12.3% of those searches ended in a purchase.
Shoppers searched for this 29K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.3% of those searches ended in a purchase. Searches in the last 90 days moved +14.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $147K a year.
- Searches, last 12 months
- 29K
- Growth, 90 days vs prior 90
- +14.4%
- Conversion, latest week
- 12.3%
- Market size, estimated
- $147Ka year
- Top search term
- histaminx11K searches a year
02 · Price
A sale here is worth $41.25.
Listings sell for $41.25 on average, from $13.29 to $73.23. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 250 to 500 of them. At $41.25 that is $10K to $21K a year per listing.
- Average price
- $41.25inside the $15 to $100 sweet spot
- Price range
- $13.29–$73.23
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $10K–$21K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #254 within Antioxidants. It carries 1,711 reviews at 4.55 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #254in Antioxidants
- Average rating
- 4.55 starsAmazon United States average 4.42 stars
- Average reviews
- 1,711per listing
- Listings tracked
- 10
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 89 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 89 months
Products
Top Histamine Supplement products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 25, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Seeking Health HistaminX - Supplement with Bromelain & Flavonoids - Formula Aids Healthy Swelling Responses & Seasonal Comfort - Support Immune System with Antioxidants - 60 Capsules
- Price
- $44.67
- Rating
- 4.6/5
- Reviews
- 246
- Age
- 11y ago

Seeking Health ProBiota HistaminX - Digestion Supplement for Gut Health Support - Support Histamine with Lactobacillus Plantarum & Lactobacillus Salivarius - Support Immune & Skin Health - 60 Capsules
- Price
- $40.39
- Rating
- 4.4/5
- Reviews
- 1,342
- Age
- 8y ago

Natures Sunshine HistaBlock | Respiratory Support Supplement | Supports Airways & Blocks Irritants | Antioxidant Strength | Seasonal Allergy Help | Natural Respiratory Function Aid 90 Capsules
- Price
- $28.63
- Rating
- 4.6/5
- Reviews
- 1,715
- Age
- 9y ago

Seeking Health Histamine Nutrients - Seasonal Histamine Support Supplement with Vitamin B1 Zinc & Vitamin B3 - Aids Histamine Response - 60 Capsules
- Price
- $66.22
- Rating
- 4.7/5
- Reviews
- 186
- Age
- 5y ago

ForestLeaf Quercetin with Bromelain 1350mg - Blend with Vitamin C & Stinging Nettle Supplement Quercetin 500mg Capsules Non-GMO Gluten Free Natural Function 90 Veggie Caps
- Price
- $23.21
- Rating
- 4.7/5
- Reviews
- 8,581
- Age
- 7y ago
Trending
estimated 90-day click momentum
SOLARAY DAO Enzyme - Digestive Enzyme that Breaks Down Histamine - 60 000 HDU - Digestive Enzymes - Vegan Gluten Free Lab Verified - 30 Servings 30 VegCaps
- Price
- $21.93
- Rating
- 4.3/5
- Reviews
- 323
- Age
- 1y ago

Researched Nutritionals HistaQuel - Dual-Action Histamine & Mast Cell Support Formula - Clinically Researched Flavonoid & Herbal Formula with Stinging Nettle & Black Cumin Seed Oil 120 Capsules
- Price
- $73.23
- Rating
- 4.6/5
- Reviews
- 127
- Age
- 3y ago

ForestLeaf Quercetin with Bromelain 1350mg - Blend with Vitamin C & Stinging Nettle Supplement Quercetin 500mg Capsules Non-GMO Gluten Free Natural Function 90 Veggie Caps
- Price
- $23.21
- Rating
- 4.7/5
- Reviews
- 8,581
- Age
- 7y ago

Natures Sunshine HistaBlock | Respiratory Support Supplement | Supports Airways & Blocks Irritants | Antioxidant Strength | Seasonal Allergy Help | Natural Respiratory Function Aid 90 Capsules
- Price
- $28.63
- Rating
- 4.6/5
- Reviews
- 1,715
- Age
- 9y ago

Histamine Shield Plus Natural Antihistamine Supplement for Adults Sinus & Allergy Relief for Pollen Pet Dander Dust Mold and Odors Quercetin with Bromelain & Stinging Nettle 120 Capsules
- Price
- $41.65
- Rating
- 4.3/5
- Reviews
- 466
- Age
- 6y ago
Newest
by launch date
SOLARAY DAO Enzyme - Digestive Enzyme that Breaks Down Histamine - 60 000 HDU - Digestive Enzymes - Vegan Gluten Free Lab Verified - 30 Servings 30 VegCaps
- Price
- $21.93
- Rating
- 4.3/5
- Reviews
- 323
- Age
- 1y ago

Researched Nutritionals HistaQuel - Dual-Action Histamine & Mast Cell Support Formula - Clinically Researched Flavonoid & Herbal Formula with Stinging Nettle & Black Cumin Seed Oil 120 Capsules
- Price
- $73.23
- Rating
- 4.6/5
- Reviews
- 127
- Age
- 3y ago

Pure Encapsulations Hist Reset | Support for Nasal and Respiratory Health* | 120 Capsules
- Price
- $59.31
- Rating
- 4.7/5
- Reviews
- 94
- Age
- 3y ago

Seeking Health Histamine Nutrients - Seasonal Histamine Support Supplement with Vitamin B1 Zinc & Vitamin B3 - Aids Histamine Response - 60 Capsules
- Price
- $66.22
- Rating
- 4.7/5
- Reviews
- 186
- Age
- 5y ago

Histamine Shield Plus Natural Antihistamine Supplement for Adults Sinus & Allergy Relief for Pollen Pet Dander Dust Mold and Odors Quercetin with Bromelain & Stinging Nettle 120 Capsules
- Price
- $41.65
- Rating
- 4.3/5
- Reviews
- 466
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 85% of clicks. A locked shelf that new listings rarely crack.
Brands
8 rising
Sellers
26
Est. top-5 brand share
92%
Top 20: 100%
Est. top-5 click share
85%
Top 20: 100%
Open market
5%
- Seeking Health76%
- Nature's Sunshine5%
- ForestLeaf4%
- SOLARAY3%
- Histamine Shield Plus3%
- Pure Encapsulations3%
- Open — no brand owns it (2 brands, 5%)
Search terms
Top Histamine Supplement search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- histaminx11K/yr
- histamine supplement9K/yr
- histamine x8K/yr
- histamine scavenger2K/yr
Reviews and returns
What reviews say buyers love and hate about Histamine Supplement
We read the reviews and the return reasons for every product selling here.
“I had a terrible reaction”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Histamine Supplement questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









