D Hist
FailThe top 5 brands take 100% of clicks, so D Hist is a Fail.
- Flapen Score
- 44 / 100Ranks 10,233 of 14,768 Health & Household niches · −5 vs the category median of 4944
- Market size
- $667K/yr353K searches / yr
- 90-day growth
- -2.3%search demand this quarter
- Competition
- 83%top-5 click share · 5 brands · 25 sellers
Flapen Score
D Hist against its category
The dotted line is the Health & Household average. Past it, D Hist is stronger. Inside it, weaker.
Market
The D Hist market on Amazon at a glance
Shoppers on Amazon United States searched for D Hist 353K times last year and spent an estimated $667K. All 5 brands take every click. Demand peaks in Mar–Apr–May. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 2.9% of those searches ended in a purchase.
Shoppers searched for this 353K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.9% of those searches ended in a purchase. Searches in the last 90 days moved -2.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $667K a year.
- Searches, last 12 months
- 353K
- Growth, 90 days vs prior 90
- -2.3%
- Conversion, latest week
- 2.9%
- Market size, estimated
- $667Ka year
- Peak month
- April3.8× the quietest month
- Top search term
- ortho molecular products162K searches a year
02 · Price
A sale here is worth $64.38.
Listings sell for $64.38 on average, from $23.23 to $127.16. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 500 to 750 of them. At $64.38 that is $32K to $48K a year per listing.
- Average price
- $64.38inside the $15 to $100 sweet spot
- Price range
- $23.23–$127.16
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $32K–$48K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
56% of listings pay for placement with sponsored ads. 44% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #407 within Allergy, Sinus & Asthma. It carries 1,049 reviews at 4.52 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 56%
- Prime listings
- 44%
- Out of stock, average day
- 0.0%
- Average rank
- #407in Allergy, Sinus & Asthma
- Average rating
- 4.52 starsAmazon United States average 4.42 stars
- Average reviews
- 1,049per listing
- Listings tracked
- 9
04 · Newcomers
4 of last year's 4 launches cleared the first-year sales bar.
4 products launched here in the last 12 months. 4 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 88 months on average, so the names here are established.
- Launched, last 12 months
- 4
- Successful launches
- 4Amazon's first-year sales bar
- Average brand age
- 88 months
Products
Top D Hist 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 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Ortho Molecular Natural D-Hist - 120 Capsules
- Price
- $85.80
- Rating
- 4.8/5
- Reviews
- 65
- Age
- 8mo ago

Pure Encapsulations Hist Reset | Support for Nasal and Respiratory Health* | 120 Capsules
- Price
- $59.29
- Rating
- 4.7/5
- Reviews
- 92
- Age
- 3y 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
- $41.64
- Rating
- 4.3/5
- Reviews
- 460
- Age
- 6y 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
- $23.23
- Rating
- 4.7/5
- Reviews
- 8,558
- Age
- 7y ago

Ortho Molecular Reacted Magnesium - 60 Capsules
- Price
- $54.25
- Rating
- 4.7/5
- Reviews
- 33
- Age
- 7mo ago
Trending
estimated 90-day click momentum
SEVNODI Ortho Molecular - Orthomega 820-180 Soft Gel Capsules
- Price
- $127.16
- Rating
- 4.6/5
- Reviews
- 33
- Age
- 11y ago

Ortho Molecular Natural D-Hist - 120 Capsules
- Price
- $85.80
- Rating
- 4.8/5
- Reviews
- 65
- Age
- 8mo ago

Ortho Molecular Reacted Magnesium - 60 Capsules
- Price
- $54.25
- Rating
- 4.7/5
- Reviews
- 33
- Age
- 7mo ago

Ortho Molecular Vitamin K2 with D3-60 Capsules
- Price
- $69.15
- Rating
- 4.7/5
- Reviews
- 14
- Age
- 8mo 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
- $23.23
- Rating
- 4.7/5
- Reviews
- 8,558
- Age
- 7y ago
Newest
by launch date
Ortho Molecular Reacted Magnesium - 60 Capsules
- Price
- $54.25
- Rating
- 4.7/5
- Reviews
- 33
- Age
- 7mo ago

Ortho Molecular Vitamin K2 with D3-60 Capsules
- Price
- $69.15
- Rating
- 4.7/5
- Reviews
- 14
- Age
- 8mo ago

Ortho Biotic Capsules - 60 Capsules
- Price
- $92.75
- Rating
- 4.6/5
- Reviews
- 21
- Age
- 8mo ago

Ortho Molecular Natural D-Hist - 120 Capsules
- Price
- $85.80
- Rating
- 4.8/5
- Reviews
- 65
- Age
- 8mo ago

Granions Histamine Blocker Complex - 1 000mg Quercetin with Bromelain NAC and Vitamin C - D-Hist Seasonal Histamine Balance & Immune Support Supplement for Adults and Children - 60 Vegan Capsules
- Price
- $26.13
- Rating
- 3.6/5
- Reviews
- 162
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 83% of clicks. A locked shelf that new listings rarely crack.
Brands
5 falling
Sellers
25
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
83%
Top 20: 100%
Open market
0%
- Ortho Molecular Products70%
- Pure Encapsulations10%
- Histamine Shield Plus9%
- ForestLeaf7%
- Granions4%
- Open — no brand owns it (0%)
Demand
D Hist search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Mar, Apr, May · busiest ÷ quietest = 3.8×
Search terms
Top D Hist search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- ortho molecular products162K/yr
- d hist40K/yr
- d-hist26K/yr
- dhist21K/yr
- dhist allergy supplement14K/yr
- ortho molecular19K/yr
- d hist allergy supplement17K/yr
- orthomolecular supplements13K/yr
- d-hist allergy supplement4K/yr
- d-hist ortho molecular6K/yr
Reviews and returns
What reviews say buyers love and hate about D Hist
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.
16 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 D Hist 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









