Igg
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Price range
Incredible$53.79–$79.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great227.4avg incumbent reviews — the moat a new listing must climb
Avg price
Great$66.27avg listing price — sweet spot $15–$100
Conversion
Great8.3%search→purchase rate — share of searches ending in a sale
Market size
Good$509K$509K/yr · 92K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-8.2%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Is igg profitable on Amazon?
According to Flapen's Amazon United States niche tracking, igg is a $509K/yr Amazon United States market (92K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 48/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
igg market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 5K–6K
- avg 500–750/product
- Revenue / yr
- $331K–$398K
- units × avg price
- Conversion rate
- 8.3%
- Avg BSR
- #662
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 10.0%
- Avg brand age
- 67 months
- Avg seller age
- 151 days
Competition: brands, sellers & click share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
8
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Microbiome Labs84%
- Designs for Health6%
- Pure Therapro Rx6%
- Silver Fern3%
- Open — no brand owns it (0%)
igg demand & seasonality
Weekly Amazon search volume, last 97 weeks — -8.2% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 2.4×
Top igg search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- igg34K/yr
- mega igg200012K/yr
- immunoglobulin8K/yr
- immunolin6K/yr
- immunoglobulin supplement7K/yr
- igg supplement6K/yr
- megaigg20005K/yr
- iga4K/yr
- mega igg3K/yr
- megaigg2000 microbiome labs3K/yr
Top igg products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 5 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Microbiome Labs Mega IgG2000 Capsules - Dairy Free Bovine Colostrum Supplement Alternative - Immunoglobulin Supplement from Bovine Serum to Support Digestive Health (120 Capsules)
Microbiome Labs$63.094.7★440 rev

Microbiome Labs Mega IgG2000 Gut Health Powder for Women Men & Kids 2+ - IgG Immunoglobulin Supplement for Digestive Health Support - Dairy-Free Bovine Colostrum Supplement Alternative (2.1 Ounces)
Microbiome Labs$53.794.3★205 rev

Designs for Health IgGI Shield Powder - Dairy-Free Imunoglobulin IgG Supplement SBI with N-Acetyl-Glucosamine - Supports Healthy Intestinal Barrier Function (3.7oz / 30 Servings)
Designs for Health$79.994.5★135 rev

Pure Therapro Rx Elite IgG Immunoglobulin Supplement 120 Caps - Gut Health & Immune Support 1100 mg IgG IGA & IgM Sunflower Lecithin | Dairy & Gluten Free Colostrum Supplement Alternative
Pure Therapro Rx$59.094.4★167 rev

Silver Fern Cleanse - Daily Gut - 1 Bottle - 120 Capsules - 30 Day Supply - Immunoglobulin G A & M -(IgG IGA IgM) - Postbiotic
Silver Fern$75.404.5★190 rev
Newest
by launch date
Pure Therapro Rx Elite IgG Immunoglobulin Supplement 120 Caps - Gut Health & Immune Support 1100 mg IgG IGA & IgM Sunflower Lecithin | Dairy & Gluten Free Colostrum Supplement Alternative
Pure Therapro Rx$59.09167 rev

Designs for Health IgGI Shield Powder - Dairy-Free Imunoglobulin IgG Supplement SBI with N-Acetyl-Glucosamine - Supports Healthy Intestinal Barrier Function (3.7oz / 30 Servings)
Designs for Health$79.99135 rev

Microbiome Labs Mega IgG2000 Gut Health Powder for Women Men & Kids 2+ - IgG Immunoglobulin Supplement for Digestive Health Support - Dairy-Free Bovine Colostrum Supplement Alternative (2.1 Ounces)
Microbiome Labs$53.79205 rev

Silver Fern Cleanse - Daily Gut - 1 Bottle - 120 Capsules - 30 Day Supply - Immunoglobulin G A & M -(IgG IGA IgM) - Postbiotic
Silver Fern$75.40190 rev

Microbiome Labs Mega IgG2000 Capsules - Dairy Free Bovine Colostrum Supplement Alternative - Immunoglobulin Supplement from Bovine Serum to Support Digestive Health (120 Capsules)
Microbiome Labs$63.09440 rev
Trending
90-day click momentum
Microbiome Labs Mega IgG2000 Capsules - Dairy Free Bovine Colostrum Supplement Alternative - Immunoglobulin Supplement from Bovine Serum to Support Digestive Health (120 Capsules)
Microbiome Labs$63.094.7★

Designs for Health IgGI Shield Powder - Dairy-Free Imunoglobulin IgG Supplement SBI with N-Acetyl-Glucosamine - Supports Healthy Intestinal Barrier Function (3.7oz / 30 Servings)
Designs for Health$79.994.5★

Pure Therapro Rx Elite IgG Immunoglobulin Supplement 120 Caps - Gut Health & Immune Support 1100 mg IgG IGA & IgM Sunflower Lecithin | Dairy & Gluten Free Colostrum Supplement Alternative
Pure Therapro Rx$59.094.4★

Microbiome Labs Mega IgG2000 Gut Health Powder for Women Men & Kids 2+ - IgG Immunoglobulin Supplement for Digestive Health Support - Dairy-Free Bovine Colostrum Supplement Alternative (2.1 Ounces)
Microbiome Labs$53.794.3★

Silver Fern Cleanse - Daily Gut - 1 Bottle - 120 Capsules - 30 Day Supply - Immunoglobulin G A & M -(IgG IGA IgM) - Postbiotic
Silver Fern$75.404.5★
What reviews say buyers love and hate about igg
What buyers praise and complain about, mined from review topics.What buyers love
“This is pure, goodness”
“Help my digestion”
“Love it, very helpful with stomach issues”
“Does wonders”
“Superb product that performs well and as advertised”
“Its easy to mix, and I appreciate the focus on gut and immune support”
“Weve been using it consistently”
“Great product for CDIFF, IBS, and helps with FODMAP allergy”
“Took this for knee pain”
“Worth it”
What buyers complain about
“very expensive container was about half empty when I first opened it”
“Doesnt mix well”
“Has a chalky taste”
“I was disappointed to find this small”
“and it genuinely has no flavor which I was a little concerned about”
“I can't swallow recommend amount in water without gagging”
“I can't swallow recommend amount in water without gagging”
Top return reasons
Common igg questions
- Is igg profitable to sell on Amazon United States?
- The niche generates $509K/yr across 5 tracked products. 90-day search growth is -8.2%. Flapen's verdict: Skip it (48/100).
- How competitive is the igg niche?
- 4 brands and 8 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in igg?
- Top complaints mined from reviews: Value For Money, Mixing/Blending, Taste-Overall. The return rate is 0.0%.
- When does demand for igg peak?
- Demand peaks in Nov–Dec; the busiest month runs 2.4× the quietest.
- What does it cost to enter the igg niche?
- Listings span $53.79–$79.99; the average listing price is $66.27 (sweet spot $15–$100). The average incumbent carries 227 reviews — the moat a new listing must climb.