---
title: "Cramp Bark — $92K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/cramp-bark"
last_updated: "2026-08-11T05:32:46.540Z"
locale: en
meta:
description: "Niche score 49/100 · $92K/yr market · 45K searches/yr · $23.33 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $92K/yr market · 45K searches/yr · $23.33 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cramp Bark — $92K/yr Amazon US Niche (2026) - Flapen"
---
# **cramp bark**
**Skip it**
A concentrated shelf (top 5 take 75% of clicks) — this niche doesn't clear our bar today.
Market size 23Growth 22Conversion 82Competition 21Returns 100Price range 85Avg price 95Brand share 32Review moat 93Quality gap 45
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$23.33**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****143.77**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$9.15–$54.60**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.7%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$92K**
$92K/yr · 45K searches
**Growth**
**Bad****-5.3%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, cramp bark is a $92K/yr Amazon United States market (45K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 49/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cramp bark market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$70K–$93K**
- units × avg price
- **Conversion rate**
- **8.7%**
- **Avg BSR**
- **#3,978**
- **Page quality**
- **0%**
- **Prime**
- **69%**
- **Sponsored**
- **69%**
- **Out of stock**
- **5.7%**
- **Avg brand age**
- **98 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**18**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**10%**
- Secrets of the Tribe33% - Herb Pharm27% - NY Spice Shop15% - HerbEra7% - Swanson5% - Best Botanicals4% - Open — no brand owns it (3 brands, 10%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -5.3% search growth over the last 90 days.
1K800Spike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/cramp-bark/trend)
## **Top cramp bark search terms**
- **cramp bark**33K/yr-6.7%6.5% conv. - **cramp bark tincture**8K/yr+20.3%7.5% conv. - **cramp bark herb**4K/yr-42.4%4.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/cramp-bark/search-terms)
## **Top cramp bark 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%$9K20%$18K30%$28K40%$37K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Secrets of the Tribe Cramp Bark USDA Organic | Alcohol-Free Extract High-Potency Herbal Drops | Made from 100% Certified Organic Cramp Bark (Viburnum Opulus) Dried Bark 2 OZ**Secrets of the Tribe**$23.51**4.4★60 rev](https://www.amazon.com/dp/B072MZVDNB) [2**Herb Pharm Cramp Bark Liquid Extract Drops for Musculoskeletal Support 1 Oz**Herb Pharm**$19.57**4.5★671 rev](https://www.amazon.com/dp/B0016B7TC4) [3**NY Spice Shop Cramp Bark Cut & Sifted - 4 Ounce Viburnum Opulus - Herbal Cramp Bark Ingredient for Herbal Tea and Traditional Decoction Use with Woody Flavor**NY Spice Shop**$14.93**4.6★65 rev](https://www.amazon.com/dp/B0F63S6N3P) [4**Cramp Bark Alcohol-Free Herbal Extract Tincture Concentrated Liquid Drops Natural USDA Organic Cramp Bark (Viburnum Opulus) Dried Bark (2 fl oz)**HerbEra**$23.13**4.4★54 rev](https://www.amazon.com/dp/B076V2H8WF) [5**Herb Pharm Cramp Care Liquid Herbal Extract Drops to Support a Healthy Menstrual Cycle 1 Oz**Herb Pharm**$17.03**4.5★93 rev](https://www.amazon.com/dp/B07TPPWTJ3)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**NY Spice Shop Cramp Bark Cut & Sifted - 4 Ounce Viburnum Opulus - Herbal Cramp Bark Ingredient for Herbal Tea and Traditional Decoction Use with Woody Flavor**NY Spice Shop**$14.93**65 rev1y ago](https://www.amazon.com/dp/B0F63S6N3P) [**Swanson Full SPEC Cramp BARK 500MG 60 CAPS**Swanson**$9.15**15 rev1y ago](https://www.amazon.com/dp/B0DSWMVMK4) [**Cramp Bark Made from 100% Viburnum Opulus Bark Cut & Dried - Net weight: 1.5oz/42.5g. Other Common Names Include Water Elder Snowball Tree Common Snowball and European Cranberrybush.**Naturegrail**$14.96**19 rev2y ago](https://www.amazon.com/dp/B0D5K2T2LK) [**NY Spice Shop Cramp Bark Cut & Sifted - Cramp Barks Herb - Cramp Bark Tea Infusion - Versatile Cooking Ingredient - Viburnum Opulus Tree Essence - Natural Flavor Enhancer (1 Pound)**NY Spice Shop**$24.95**65 rev2y ago](https://www.amazon.com/dp/B0CFYSVPHJ) [**Secrets of the Tribe Cramp Bark 60 Capsules Made with Vegetable Capsules and Cramp Bark (Viburnum Opulus) Dried Bark (60 Capsules)**Secrets of the Tribe**$22.48**21 rev4y ago](https://www.amazon.com/dp/B0B4KDQRYB)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Herb Pharm Cramp Bark Liquid Extract Drops for Musculoskeletal Support 4 Oz**Herb Pharm**$54.60**4.5★**▲ 159%**](https://www.amazon.com/dp/B000155TPA) [**Herbs Etc. Cramp ReLeaf (Menstrual) Softgels - Cycle Support Supplement that Soothes Cramps - Black Haw Cramp Bark & Wild Yam Root - Gluten-Free & Organic - 60 Count (60 Servings)**Herbs Etc.**$29.23**4.3★**▲ 133%**](https://www.amazon.com/dp/B001ECZLO8) [**Best Botanicals Cramp Bark Extract 1 oz.**Best Botanicals**$9.90**4.6★**▲ 81%**](https://www.amazon.com/dp/B00479RCME) [**NY Spice Shop Cramp Bark Cut & Sifted - 4 Ounce Viburnum Opulus - Herbal Cramp Bark Ingredient for Herbal Tea and Traditional Decoction Use with Woody Flavor**NY Spice Shop**$14.93**4.6★**▲ 22%**](https://www.amazon.com/dp/B0F63S6N3P) [**Herb Pharm Cramp Bark Liquid Extract Drops for Musculoskeletal Support 1 Oz**Herb Pharm**$19.57**4.5★**▲ 21%**](https://www.amazon.com/dp/B0016B7TC4)
**~~View all trending →~~**
## **What buyers say about cramp bark**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Muscle Pain Relief**23%
*“This has really helped with our cramps”*
**Menstrual Issues**17%
*“Finally something effective for endometriosis”*
**Efficiency**9%
*“I truly think these help with my cycle”*
**Quality-Overall**8%
*“Good quality”*
**Side Effects**4%
*“without the side effects”*
**Allergies**4%
*“No itching or feeling high from pain meds”*
**Correct Contents**4%
*“large amount of product”*
**Smell**4%
*“Very nice smell”*
**Hormonal Balance**4%
*“Helps my endo pain”*
**Taste-Overall**4%
*“The taste isnt that bad”*
### **What buyers complain about **
**Taste-Overall**25%
*“not a great taste”*
**Quality-Overall**13%
*“Poor quality control”*
**Value For Money**9%
*“Price was a bit high”*
**Muscle Pain Relief**6%
*“this did nothing for muscle cramps for me”*
**Size-Overall**6%
*“Very small amount for price”*
**Artificial Sweeteners**6%
*“This is literally sugar and water”*
**Sweetness**6%
*“I have been taking cramp bark for a while and there is nothing sweet about it, it should taste awful and sometimes burn”*
**Functionality-Overall**6%
*“It did not work well for me”*
**Smell**4%
*“horrible taste/smell”*
## **Common questions**
- **Is cramp bark profitable to sell on Amazon United States?**
- The niche generates $92K/yr across 13 tracked products. 90-day search growth is -5.3%. Flapen's verdict: Skip it (49/100).
- **How competitive is the cramp bark niche?**
- 9 brands and 18 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in cramp bark?**
- Top complaints mined from reviews: Taste-Overall, Quality-Overall, Value For Money. The return rate is 0.0%.
- **When does demand for cramp bark peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the cramp bark niche?**
- Listings span $9.15–$54.60; the average listing price is $23.33 (sweet spot $15–$100). The average incumbent carries 144 reviews — the moat a new listing must climb.
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