---
title: "Serrapeptase — $652K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/serrapeptase"
last_updated: "2026-08-11T10:18:33.674Z"
locale: en
meta:
description: "Niche score 56/100 · $652K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · $652K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Serrapeptase — $652K/yr Amazon US Niche (2026) - Flapen"
---
# **serrapeptase**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 66Growth 22Conversion 83Competition 31Returns 100Price range 81Avg price 93Brand share 51Review moat 53Quality gap 37
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$22.10**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****9.0%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$9.73–$39.03**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$652K**
$652K/yr · 326K searches
**Review moat**
**Good****1,393.35**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-6.8%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, serrapeptase is a $652K/yr Amazon United States market (326K searches/yr). The top 5 brands hold 74% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **serrapeptase market data**
- **Units sold / yr**
- **30K–40K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$663K–$884K**
- units × avg price
- **Conversion rate**
- **9.0%**
- **Avg BSR**
- **#607**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **0.4%**
- **Avg brand age**
- **83 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**30**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**67%**
Top 20: 100%
**Open market**
**20%**
- Double Wood Supplements27% - Doctor's BEST23% - Vitamatic9% - Nutricost8% - NOW Foods7% - MARYRUTH'S5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -6.8% search growth over the last 90 days.
8K6KSpike '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/health-household/serrapeptase/trend)
## **Top serrapeptase search terms**
- **serrapeptase**206K/yr-7.0%8.4% conv. - **serrapeptase supplement**62K/yr-3.8%7.4% conv. - **serapeptase supplement**25K/yr-13.6%9.0% conv. - **serapeptase**9K/yr-7.2%8.2% conv. - **serrapeptase enteric-coated**4K/yr+34.3%5.8% conv. - **enteric serrapeptase**3K/yr+44.2%0.7% conv. - **serrapeptase 120000**7K/yr-33.0%7.1% conv. - **serratiopeptidase**5K/yr-16.1%6.0% conv. - **serrapaptase**4K/yr-34.1%5.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/serrapeptase/search-terms)
## **Top serrapeptase 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.
0%10%$65K20%$130K30%$195K40%$261K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Serrapeptase 240 000 SPU Max Potency (120 Veggie Capsules) Proteolytic Enzyme for Sinus Respiratory and Joint Health (Non-GMO Gluten Free Vegetarian Safe) by Double Wood**Double Wood Supplements**$19.56**4.5★1,270 rev](https://www.amazon.com/dp/B0B164BS8W) [2**Doctors Best Serrapeptase Supplement for Men & Women - Proteolytic Enzyme for Sinus & Immune Health Support 120 000 SPU per Veggie Capsule High Potency Formula Non-GMO Vegan - 90 Veg Caps**Doctor's BEST**$28.61**4.4★9,702 rev](https://www.amazon.com/dp/B003QW3GCI) [3**Nutricost Serrapeptase 120 000 SPU 120 Capsules - Gluten Free Non-GMO and Vegetarian Friendly**Nutricost**$17.66**4.6★450 rev](https://www.amazon.com/dp/B09NMP8SM3) [4**NOW Foods Supplements Serrapeptase 60 000 Units of Activity Promotes Respiratory Health and Immune Function* 60 Veg Capsules**NOW Foods**$14.05**4.6★777 rev](https://www.amazon.com/dp/B08CVML2WT) [5**Vitamatic Serrapeptase 240 000 SPU Servings 120 Delayed Released Capsules - Enteric Coated - Non-GMO- Made in the USA (120 Count (Pack of 1))**Vitamatic**$14.59**4.5★345 rev](https://www.amazon.com/dp/B0CLR7BP3Z)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Potent Nattokinase 4000 FU Serrapeptase 240000 SPU Lumbrokinase 2000 FU Supplement - Proteolytic Enzymes Capsules for Energy Support Digestion Detox Cognition & Gut Health for Men & Women**Etta Vita**$29.35**673 rev2y ago](https://www.amazon.com/dp/B0CMJFPJZ9) [**Nutramedix Serrapeptase Supplement - Proteolytic Enzymes for Digestion + Inulin - Made to Support Digestive Health Support - Gluten Soy and Dairy-Free (60 Capsules)**NutraMedix**$35.36**180 rev2y ago](https://www.amazon.com/dp/B0CT463J7J) [**Vitamatic Serrapeptase 240 000 SPU Servings 120 Delayed Released Capsules - Enteric Coated - Non-GMO- Made in the USA (120 Count (Pack of 1))**Vitamatic**$14.59**345 rev2y ago](https://www.amazon.com/dp/B0CLR7BP3Z) [**Vitamatic Serrapeptase 240 000 SPU Servings 120 Delayed Released Capsules - Enteric Coated - Non-GMO- Made in the USA (120 Count (Pack of 2))**Vitamatic**$21.32**114 rev2y ago](https://www.amazon.com/dp/B0DCV9WL6Q) [**Best Naturals Serrapeptase 120000 SPUs 90 Vegetarain Capsules - Supports Sinus Health**Best Naturals**$9.73**156 rev2y ago](https://www.amazon.com/dp/B0CFNQCX9M)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Vitamatic Serrapeptase 240 000 SPU Servings 120 Delayed Released Capsules - Enteric Coated - Non-GMO- Made in the USA (120 Count (Pack of 2))**Vitamatic**$21.32**4.7★**▲ 93%**](https://www.amazon.com/dp/B0DCV9WL6Q) [**Dr. Mercola Serrapeptase Enzymes - Supports Healthy Cellular Function - Delayed Release - Non-GMO Gluten-Free & Soy-Free - 60 Capsules**Dr. Mercola**$39.03**4.7★**▲ 72%**](https://www.amazon.com/dp/B08SQ7CCKG) [**Nutramedix Serrapeptase Supplement - Proteolytic Enzymes for Digestion + Inulin - Made to Support Digestive Health Support - Gluten Soy and Dairy-Free (60 Capsules)**NutraMedix**$35.36**4.6★**▲ 53%**](https://www.amazon.com/dp/B0CT463J7J) [**Serra-RX 40 000 SPU Serrapeptase - Acid-Resistant Proteolytic Systemic Enzyme Non-GMO Gluten Free Vegan 90 Veg Capsules**Biomedic Labs RX**$9.86**4.6★**▲ 22%**](https://www.amazon.com/dp/B0961BF5WL) [**Vitamatic Serrapeptase 240 000 SPU Servings 120 Delayed Released Capsules - Enteric Coated - Non-GMO- Made in the USA (120 Count (Pack of 1))**Vitamatic**$14.59**4.5★**▲ 21%**](https://www.amazon.com/dp/B0CLR7BP3Z)
**~~View all trending →~~**
## **What buyers say about serrapeptase**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**24%
*“It feels like good quality and arrived quickly”*
**Value For Money**8%
*“good price”*
**Vitamin**7%
*“it boosts the vitamins So they can absorb faster”*
**Efficiency**6%
*“Works well”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Inflammation**3%
*“it definitely helps with inflammation”*
**Regulates Digestion**3%
*“Sure helps with my digestion issues”*
**Joint Pain**3%
*“Helps with joint pain”*
**Heart Health**3%
*“Reduces carotid buildup”*
**Sinus Relief**3%
*“I use serrapeptase to treat sinus infection and do recommend”*
### **What buyers complain about **
**Ingredients-Overall**14%
*“Also milk and soy are additives they are not supposed to be included in serrapeptase”*
**Dosage**8%
*“After 2 doses it literally destroyed my digestive system”*
**Regulates Digestion**7%
*“After 2 doses it literally destroyed my digestive system”*
**Functionality-Overall**6%
*“Did not work for me”*
**Taste-Overall**5%
*“This item 'tastes' like mold”*
**Side Effects**4%
*“causing great pain”*
**Ease Of Use**3%
*“Not usable”*
**Adhesion/Stickiness**3%
*“adhesions are loosening up”*
**Inflammation**3%
*“not for inflammation or scar tissue”*
**Advertised Vs Actual Product**3%
*“Very deceiving marketing”*
### **Top return reasons **
**Sensitivity-Overall**50%
**Ingredients-Overall**25%
**Advertised Vs Actual Product**25%
## **Common questions**
- **Is serrapeptase profitable to sell on Amazon United States?**
- The niche generates $652K/yr across 17 tracked products. 90-day search growth is -6.8%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the serrapeptase niche?**
- 15 brands and 30 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in serrapeptase?**
- Top complaints mined from reviews: Ingredients-Overall, Dosage, Regulates Digestion. The return rate is 0.0%.
- **When does demand for serrapeptase peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the serrapeptase niche?**
- Listings span $9.73–$39.03; the average listing price is $22.10 (sweet spot $15–$100). The average incumbent carries 1,393 reviews — the moat a new listing must climb.
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