---
title: "Liquid Fiber — $29K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/liquid-fiber"
last_updated: "2026-08-12T16:27:09.012Z"
locale: en
meta:
description: "Amazon product research for liquid fiber: $29K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for liquid fiber: $29K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Liquid Fiber — $29K/mo Amazon US Product Research (2026)"
---
# **Liquid Fiber**
**Worth a look**
Shows low returns (0.0%), but soft demand (-21.0% this quarter) keeps it on the watch list.
Market size 53Growth 15Conversion 96Competition 21Returns 100Price range 92Avg price 95Brand share 26Review moat 33Quality gap 52
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.9%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$28.89**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.73–$83.85**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$354K**
$354K/yr · 95K searches
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****3,169.29**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****74%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-21.0%**
90-day search growth — must beat 0% to launch
## **Is liquid fiber profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, liquid fiber is a $354K/yr Amazon United States market (95K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 52/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **liquid fiber market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **10K–13K**
- avg 500–750/product
- **Revenue / yr**
- **$289K–$361K**
- units × avg price
- **Conversion rate**
- **12.9%**
- **Avg BSR**
- **#267**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **71%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **66 months**
- **Avg seller age**
- **156 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**11 **▼falling
**Sellers**
**88**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**74%**
Top 20: 100%
**Open market**
**8%**
- Medtrition57% - Zarbee's19% - Benefiber5% - Culturelle4% - HEALTH DIRECT3% - Trace Minerals2% - Open — no brand owns it (5 brands, 8%)
## **liquid fiber demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -21.0% search growth over the last 90 days.
2K2KSpike '24Black Friday '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/us/health-household/liquid-fiber/trend)
## **Top liquid fiber search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **liquid fiber**23K/yr-44.2%4.1% conv. - **hyfiber**13K/yr+1.1%12.9% conv. - **hyfiber liquid fiber for kids**9K/yr+2.0%17.0% conv. - **liquid fiber for adults**5K/yr+45.0%4.7% conv. - **fiber powder for kids**6K/yr-16.9%8.1% conv. - **benefiber for kids**5K/yr-5.0%5.4% conv. - **zarbees regularity support kids**4K/yr-32.5%25.2% conv. - **liquid fiber supplement**4K/yr-36.6%2.4% conv. - **zarbees fiber powder kids**3K/yr-7.3%24.5% conv. - **hy fiber**3K/yr-2.5%9.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/liquid-fiber/search-terms)
## **Top liquid fiber 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.
0%10%$35K20%$71K30%$106K40%$141K101001K10K100K 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**Medtrition HyFiber Liquid Fiber for Kids in Only One Tablespoon Supports Regularity and Softer Stools FOS Prebiotics for Gut Health 6 Grams of Fiber 32 Servings per Bottle**Medtrition**$25.02**4.6★1,315 rev](https://www.amazon.com/dp/B08N5G9TX8) [2**Medtrition HyFiber Daily Liquid Fiber for Regularity and Soft Stools 12 Grams Soluble Fiber 32 fl oz 1 Bottle**Medtrition**$27.16**4.6★620 rev](https://www.amazon.com/dp/B074P6Y4LB) [3**Zarbees Childrens Regularity Support Prebiotic Fiber Powder Flavorless Sugar Free Gluten-Free Daily Fiber Supplement for Kids & Toddlers 1 to 12 Years 5.82 oz**Zarbee's**$18.34**4.6★533 rev](https://www.amazon.com/dp/B0DVC3LDR1) [4**Medtrition HyFiber Liquid Fiber for Kids in Only One Tablespoon Supports Regularity and Softer Stools FOS Prebiotics for Gut Health 6 Grams of Fiber 32 Servings per Bottle 16 Fl Oz (Pack of 2)**Medtrition**$39.76**4.6★1,315 rev](https://www.amazon.com/dp/B0BG3CK9Q5) [5**Culturelle Kids Probiotic + Fiber Packets (Ages 3+) - 24 Count - Digestive Health & Immune Support - Helps Restore Regularity (Packaging may vary)**Culturelle**$18.64**4.7★13,363 rev](https://www.amazon.com/dp/B01C8BR83A)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**MARYRUTHS Liquid Fiber for Ages 1+ | Up to 7g FiberSMART Tapioca Fiber Excellent Source | Baobab Fruit | Psyllium Husk Free | Vegan | Gluten Free | No Added Sugar | 15.22 oz**MARYRUTH'S**$25.05**24 rev6mo ago](https://www.amazon.com/dp/B0GF499PWP) [**Liquid Salad Sweetened with Stevia High Fiber Superfood Pouches by Liquid Plus Convenient Greens Smoothie Drink with Prebiotic Fiber Veggies and Fruits Healthy Vegan Snack Gut Health Support 14-Pack**Liquid+**$39.48**266 rev10mo ago](https://www.amazon.com/dp/B0FRZ6SG8C) [**GADAVYT Fiber 20 - High Fiber Supplement for Women & Men 20g Liquid Soluble Fiber/Serving Prebiotic & Postbiotic Complex + Vitamins A D3 E & Magnesium Gut Health Digestive Health 16 fl oz**GADAVYT**$26.00**47 rev10mo ago](https://www.amazon.com/dp/B0FPYJWQ51) [**Zarbees Childrens Regularity Support Prebiotic Fiber Powder Flavorless Sugar Free Gluten-Free Daily Fiber Supplement for Kids & Toddlers 1 to 12 Years 5.82 oz**Zarbee's**$18.34**533 rev1y ago](https://www.amazon.com/dp/B0DVC3LDR1) [**Zarbees Childrens Digestive Care Support* Prebiotic Fiber Syrup Grape Flavor with Other Natural Flavors Liquid Fiber for Kids Daily Digestive Support Gluten Free Agave 8 fl oz**Zarbee's**$17.19**118 rev1y ago](https://www.amazon.com/dp/B0DVNZBVYQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**MARYRUTHS Liquid Fiber for Ages 1+ | Up to 7g FiberSMART Tapioca Fiber Excellent Source | Baobab Fruit | Psyllium Husk Free | Vegan | Gluten Free | No Added Sugar | 15.22 oz**MARYRUTH'S**$25.05**4.5★**▲ 307%**](https://www.amazon.com/dp/B0GF499PWP) [**GADAVYT Fiber 20 - High Fiber Supplement for Women & Men 20g Liquid Soluble Fiber/Serving Prebiotic & Postbiotic Complex + Vitamins A D3 E & Magnesium Gut Health Digestive Health 16 fl oz**GADAVYT**$26.00**3.7★**▲ 35%**](https://www.amazon.com/dp/B0FPYJWQ51) [**Liquid Salad Sweetened with Stevia High Fiber Superfood Pouches by Liquid Plus Convenient Greens Smoothie Drink with Prebiotic Fiber Veggies and Fruits Healthy Vegan Snack Gut Health Support 14-Pack**Liquid+**$39.48**3.8★**▲ 17%**](https://www.amazon.com/dp/B0FRZ6SG8C) [**Medtrition HyFiber Daily Liquid Fiber for Regularity and Soft Stools 12 Grams Soluble Fiber 32 fl oz 1 Bottle**Medtrition**$27.16**4.6★**▲ 15%**](https://www.amazon.com/dp/B074P6Y4LB) [**Benefiber Daily Prebiotic GLP-1 Friendly Fiber Supplement Powder for Digestive Health Unflavored -124 Teaspoons (8.7 Ounces)**Benefiber**$12.79**4.7★**— 2%**](https://www.amazon.com/dp/B01978FIZC)
**~~View all trending →~~**
## **What reviews say buyers love and hate about liquid fiber**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**12%
*“Great taste”*
**Nutritional Content**9%
*“Good Source Of Fiber”*
**Efficiency**8%
*“Works Well”*
**Solubility**7%
*“Mixes easily”*
**Quality-Overall**7%
*“I can tell they use high-quality ingredients”*
**Ease Of Use**7%
*“Easy to take”*
**Regulates Digestion**6%
*“Easy on your stomach”*
**Flavor**4%
*“Great flavor and easy to take”*
**Value For Money**3%
*“Great value”*
**Advertised Vs Actual Product**3%
*“Works great as advertised”*
### **What buyers complain about **
**Taste-Overall**22%
*“Awful aftertaste”*
**Flavor**6%
*“The flavor/ taste was off-putting for me”*
**Value For Money**5%
*“over priced”*
**Functionality-Overall**5%
*“Doesnt work”*
**Nutritional Content**3%
*“Gross fiber”*
**Texture/Consistency-Overall**3%
*“it makes me gag because of the texture”*
**Regulates Digestion**2%
*“sometimes it seems to make my digestion worse”*
**Artificial Sweeteners**2%
*“this was like an artificially sweetened juice of sorts”*
**Side Effects**2%
*“This gave me heartburn”*
**Sweetness**2%
*“this was like an artificially sweetened juice of sorts”*
### **Top return reasons **
**Functionality-Overall**22%
**Taste-Overall**22%
**Solubility**11%
**Ingredients-Overall**11%
**Quality-Overall**11%
**Value For Money**11%
**Leak-Proof**11%
## **Common liquid fiber questions**
- **Is liquid fiber profitable to sell on Amazon United States?**
- The niche generates $354K/yr across 17 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -21.0%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the liquid fiber niche?**
- 11 brands and 88 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 89% of demand.
- **What do buyers complain about in liquid fiber?**
- Top complaints mined from reviews: Taste-Overall, Flavor, Value For Money. The return rate is 0.0%.
- **When does demand for liquid fiber peak?**
- Demand peaks in Apr–May–Jun; the busiest month runs 3.2× the quietest.
- **What does it cost to enter the liquid fiber niche?**
- Listings span $12.73–$83.85; the average listing price is $28.89 (sweet spot $15–$100). The average incumbent carries 3,169 reviews — the moat a new listing must climb.
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