- Flapen Score
- 45 / 100Ranks 9,665 of 14,768 Health & Household niches · −4 vs the category median of 4945
- Market size
- $257K/yr60K searches / yr
- 90-day growth
- -17.2%search demand this quarter
- Competition
- 71%top-5 click share · 4 brands · 6 sellers
Flapen Score
Opc3 against its category
The dotted line is the Health & Household average. Past it, Opc3 is stronger. Inside it, weaker.
Market
The Opc3 market on Amazon at a glance
Shoppers on Amazon United States searched for Opc3 60K times last year and spent an estimated $257K. All 4 brands take every click. Flapen scores it 45 out of 100, a Fail.
01 · Demand
An estimated 6.9% of those searches ended in a purchase.
Shoppers searched for this 60K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.9% of those searches ended in a purchase. Searches in the last 90 days moved -17.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $257K a year.
- Searches, last 12 months
- 60K
- Growth, 90 days vs prior 90
- -17.2%
- Conversion, latest week
- 6.9%
- Market size, estimated
- $257Ka year
- Peak month
- August1.5× the quietest month
- Top search term
- isotonix22K searches a year
02 · Price
A sale here is worth $61.97.
Listings sell for $61.97 on average, from $26.29 to $224.80. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 250 to 500 of them. At $61.97 that is $15K to $31K a year per listing.
- Average price
- $61.97inside the $15 to $100 sweet spot
- Price range
- $26.29–$224.80
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $15K–$31K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
88% of listings pay for placement with sponsored ads. 88% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #1,079 within Antioxidants. It carries 403 reviews at 4.52 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 88%
- Out of stock, average day
- 0.0%
- Average rank
- #1,079in Antioxidants
- Average rating
- 4.52 starsAmazon United States average 4.42 stars
- Average reviews
- 403per listing
- Listings tracked
- 17
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 97 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
- 97 months
Products
Top Opc3 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
Isotonix OPC-3 Antioxidant Supplement - Pycnogenol Grape Seed Extracts Bilberry Red Wine & Pine Bark Extracts - for Heart & Circulatory Support - Isotonic Vegan Gluten Free - 90 Servings
- Price
- $75.98
- Rating
- 4.6/5
- Reviews
- 1,265
- Age
- 11y ago

Isotonix Daily Essentials Multivitamin Powder Packets 4-in-1 Formula with Multivitamin Activated B-Complex Calcium Plus & OPC-3 with Pycnogenol Isotonic Delivery Gluten Free-30 Packets
- Price
- $78.85
- Rating
- 4.5/5
- Reviews
- 454
- Age
- 7y ago

Isotonix OPC-3 Antioxidant Supplement - Pycnogenol Grape Seed Extracts Bilberry Red Wine & Pine Bark Extracts - for Heart & Circulatory Support - Isotonic Vegan Gluten Free - 30 Servings
- Price
- $39.49
- Rating
- 4.6/5
- Reviews
- 1,265
- Age
- 7y ago

Isotonix Multivitamin Powder Without Iron Methylated B Vitamins Antioxidant & Mineral Support Fast-Mix Isotonic Delivery Vegetarian Gluten-Free Non-GMO Natural Fruit Flavor 90 Servings
- Price
- $63.06
- Rating
- 4.8/5
- Reviews
- 210
- Age
- 7y ago

Isotonix Digestive Enzymes with Probiotics Packets DigeZyme Multi-Enzyme Complex & Bacillus coagulans Supports Digestion & Nutrient Absorption Vegan Gluten-Free 20 Packets (2 Servings Each)
- Price
- $34.15
- Rating
- 4.5/5
- Reviews
- 235
- Age
- 7y ago
Trending
estimated 90-day click momentum
Isotonix OPC-3 Antioxidant Supplement - Pycnogenol Grape Seed Extracts Bilberry Red Wine & Pine Bark Extracts - for Heart & Circulatory Support - Isotonic Vegan Gluten Free - 30 Servings
- Price
- $39.49
- Rating
- 4.6/5
- Reviews
- 1,265
- Age
- 7y ago

Isotonix Digestive Enzymes with Probiotics | DigeZyme Multi-Enzyme Complex & Lactospore Bacillus Coagulans | Nutrient Absorption Gut Balance & Digestive Health | Vegan Gluten-Free | 90 Servings
- Price
- $43.22
- Rating
- 4.6/5
- Reviews
- 243
- Age
- 11y ago

Isotonix Activated B Complex Vegan B Vitamin Supplement for Energy Stress Relief and Nervous System Health Isotonic Drinkable Formula 90 Servings
- Price
- $63.14
- Rating
- 4.5/5
- Reviews
- 238
- Age
- 7y ago

Isotonix Calcium Plus Calcium Supplement for Women and Men with Magnesium Vitamin D3 and Vitamin C Fast Absorbing Isotonic Formula Calcium Citrate & 5 Salts - 90 Servings
- Price
- $31.63
- Rating
- 4.6/5
- Reviews
- 456
- Age
- 13y ago

Isotonix Daily Essentials Kit with Iron Multivitamin Calcium B-Complex and OPC-3 for Overall Health Energy and Bone Support 4-Piece Set Easy-to-Absorb Liquid Supplements(90 ct)
- Price
- $224.80
- Rating
- 4.3/5
- Reviews
- 68
- Age
- 9y ago
Newest
by launch date
Isotonix OPC-3 Antioxidant Chews | Circulation Vision & Skin Support | Grape Seed Red Wine Pine Bark (Pycnogenol) Bilberry & Citrus Bioflavonoids | Chewable Antioxidant Supplement - 30 Count
- Price
- $39.06
- Rating
- 4.5/5
- Reviews
- 127
- Age
- 5y ago

OProCyn Isotonic OPC 3 Month Supplement Drink Powder of 300g
- Price
- $42.71
- Rating
- 4.0/5
- Reviews
- 149
- Age
- 7y ago

Isotonix Digestive Enzymes with Probiotics Packets DigeZyme Multi-Enzyme Complex & Bacillus coagulans Supports Digestion & Nutrient Absorption Vegan Gluten-Free 20 Packets (2 Servings Each)
- Price
- $34.15
- Rating
- 4.5/5
- Reviews
- 235
- Age
- 7y ago

Isotonix Multivitamin Fifty Plus Daily Multivitamin for Adults 50+ with B-Vitamins Antioxidants and Essential Nutrients for Bone Heart and Cognitive Health
- Price
- $53.88
- Rating
- 4.7/5
- Reviews
- 125
- Age
- 7y ago

Isotonix Activated B Complex Vegan B Vitamin Supplement for Energy Stress Relief and Nervous System Health Isotonic Drinkable Formula 90 Servings
- Price
- $63.14
- Rating
- 4.5/5
- Reviews
- 238
- Age
- 7y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 71% of clicks. A locked shelf that new listings rarely crack.
Brands
4 flat
Sellers
6
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
71%
Top 20: 100%
Open market
0%
- Isotonix92%
- Terry Naturally5%
- FrenchGlory2%
- OProCyn2%
Demand
Opc3 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Opc3 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- isotonix22K/yr
- opc11K/yr
- opc312K/yr
- isotonix opc-33K/yr
- isotonix daily essentials packets4K/yr
- isotonix multivitamin3K/yr
- opc 32K/yr
- nutrametrix3K/yr
Reviews and returns
What reviews say buyers love and hate about Opc3
We read the reviews and the return reasons for every product selling here.
“This stuff is expensive”
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 Opc3 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









