---
title: "Search terms — nattokinase serrapeptase"
canonical_url: "https://flapen.com/research/us/health-household/nattokinase-serrapeptase/search-terms"
last_updated: "2026-08-12T14:16:23.331Z"
locale: en
meta:
  description: "Amazon product research for nattokinase serrapeptase: $8K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:description": "Amazon product research for nattokinase serrapeptase: $8K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
  "og:title": "Search terms — nattokinase serrapeptase"
---

# **Nattokinase Serrapeptase**

**Worth a look**

Shows low returns (0.0%), but a small market ($98K/yr) keeps it on the watch list.

Market size 24Growth 39Conversion 61Competition 45Returns 100Price range 94Avg price 95Brand share 66Review moat 52Quality gap 40

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$28.85**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$14.20–$70.91**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Brand share**

**Good****65%**

top-5 brand share — brands hold most of the demand

**Conversion**

**Good****5.3%**

search→purchase rate — share of searches ending in a sale

**Review moat**

**Good****1,405.65**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Okay****58%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Okay****+10.9%**

90-day search growth — must beat 0% to launch

**Market size**

**Bad****$98K**

$98K/yr · 64K searches

## Search terms