---
title: "Guanidinoacetic Acid — $568/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/guanidinoacetic-acid"
last_updated: "2026-08-12T04:33:13.534Z"
locale: en
meta:
description: "Amazon product research for guanidinoacetic acid: $568/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for guanidinoacetic acid: $568/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Guanidinoacetic Acid — $568/mo Amazon US Product Research"
---
# **Guanidinoacetic Acid**
**Skip it**
A small market ($7K/yr) — this niche doesn't clear our bar today.
Market size 2Growth 34Conversion 6Competition 19Returns 100Price range 92Avg price 95Brand share 22Review moat 66Quality gap 67
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$32.59**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.97–$68.48**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****874.19**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+7.3%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Conversion**
**Bad****0.5%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$7K**
$7K/yr · 43K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
## **Is guanidinoacetic acid profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, guanidinoacetic acid is a $7K/yr Amazon United States market (43K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 40/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **guanidinoacetic acid market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$16K–$24K**
- units × avg price
- **Conversion rate**
- **0.5%**
- **Avg BSR**
- **#949**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **1.0%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **141 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**11 **▲rising
**Sellers**
**23**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**7%**
- Unmatched49% - CreGAAtine24% - Purity Products7% - Fit & Lean6% - Toniiq5% - BodyHealth2% - Open — no brand owns it (5 brands, 7%)
## **guanidinoacetic acid demand & seasonality**
Weekly Amazon search volume, last 38 weeks — +7.3% search growth over the last 90 days.
3K2KHoliday '25Spike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/health-household/guanidinoacetic-acid/trend)
## **Top guanidinoacetic acid search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **guanidinoacetic acid**17K/yr+41.6%0.7% conv. - **guanidinoacetic acid supplement**11K/yr-13.3%0.6% conv. - **guanidinoacetic acid gaa**5K/yr+23.9%0.4% conv. - **guanidinoacetic acid gaa powder**4K/yr-9.0%1.7% conv. - **gaa guanidinoacetic acid**6K/yr-62.5%2.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/guanidinoacetic-acid/search-terms)
## **Top guanidinoacetic acid 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%$68220%$1K30%$2K40%$3K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Unmatched CreGAAtine Optimized Creatine | Creatine Monohydrate + GAA (Guanidinoacetic Acid) | Muscle Build Strength Recovery | 60 Servings (Unflavored)**Unmatched**$34.37**4.5★70 rev](https://www.amazon.com/dp/B0DRWGML1N) [2**Unmatched CreGAAtine Optimized Creatine | Creatine Monohydrate + GAA (Guanidinoacetic Acid) | Muscle Build Strength Recovery | 180 Capsules 60 Servings (Unflavored)**Unmatched**$34.22**4.4★26 rev](https://www.amazon.com/dp/B0FH5XD676) [3**CreGAAtine Micronized Creatine Monohydrate + GAA | Increase Strength No Water Retention | Boosts Memory & Focus | Single-Serve Packets | 60 Sachets 30 Servings | (Sachets Unflavored)**CreGAAtine**$29.08**4.4★154 rev](https://www.amazon.com/dp/B088Q6FMZB) [4**Purity Products Muscle Accelerator 650 mg Patented & Clinically Tested Muscle Accelerator Blend of Ayurvedic Herbal Extracts Promotes Strength Endurance + Muscle Growth - 60 Veg Caps**Purity Products**$43.79**4.2★1,603 rev](https://www.amazon.com/dp/B08GD1CDWR) [5**CreGAAtine Micronized Creatine Monohydrate + GAA | Increase Strength No Water Retention | Boosts Memory & Focus | Single-Serve Packets | 60 Sachets 30 Servings | (Sachets Orange)**CreGAAtine**$28.83**4.2★76 rev](https://www.amazon.com/dp/B0CWS4C7VY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**HEALOADING Creatine Monohydrate Gummies with GAA: Pre Workout Muscle Support Supplement for Men & Women - Fast-Absorbing ATP Production Post-Workout Recovery - 120 Count**HEALOADING**$33.64**3 rev4mo ago](https://www.amazon.com/dp/B0GT3M693S) [**Fit & Lean Creatine for Women My Lean Creatine Powder Complex with GAA Muscle Performance Cognitive Function and Less Bloating Reduced Water Retention (6.46 Ounce (Pack of 1) Rainbow Sherbert)**Fit & Lean**$17.10**23 rev11mo ago](https://www.amazon.com/dp/B0FNRNHY45) [**Fit & Lean Creatine for Women My Lean Creatine Powder Complex with GAA Muscle Performance Cognitive Function and Less Bloating Reduced Water Retention Orange Sherbert 30 Servings**Fit & Lean**$19.63**6 rev11mo ago](https://www.amazon.com/dp/B0FNRQ3971) [**Unmatched CreGAAtine Optimized Creatine | Creatine Monohydrate + GAA (Guanidinoacetic Acid) | Muscle Build Strength Recovery | 180 Capsules 60 Servings (Unflavored)**Unmatched**$34.22**26 rev1y ago](https://www.amazon.com/dp/B0FH5XD676) [**CreGAAtine Ultimate | 50% Higher Dosage in Bulk Pack | Micronized Creatine Monohydrate + GAA | Advanced Strength & Focus | No Water Retention | Boosts Muscle Growth & Energy | 500g 166 Servings**CreGAAtine**$68.48**42 rev1y ago](https://www.amazon.com/dp/B0DYP4HTVD)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**HEALOADING Creatine Monohydrate Gummies with GAA: Pre Workout Muscle Support Supplement for Men & Women - Fast-Absorbing ATP Production Post-Workout Recovery - 120 Count**HEALOADING**$33.64**5.0★**▲ 1000%**](https://www.amazon.com/dp/B0GT3M693S) [**Enhanced Labs - Arachidonic Acid Supplement - Muscle and Strength Supplement for Increased Muscle Mass & Improved Recovery for Men & Women - One Capsule Contains 350mg Arachidonic Acid (120 Capsules)**Enhanced**$43.22**4.0★**▲ 483%**](https://www.amazon.com/dp/B0D1W25K9D) [**Toniiq Ultra High Purity Alpha GPC Capsules - 600mg Concentrated Formula - 90%+ Highly Purified and Bioavailable Nootropic - 120 Capsules Alpha GPC Supplement**Toniiq**$29.29**4.5★**▲ 426%**](https://www.amazon.com/dp/B08YP38GH8) [**Acid Reflux Complete 8oz - Natural Organic Liquid Heartburn GERD & Amish Reflux Relief Remedy & Medicine**Complete Natural Products**$12.97**4.0★**▲ 374%**](https://www.amazon.com/dp/B075TTP3TJ) [**Fit & Lean Creatine for Women My Lean Creatine Powder Complex with GAA Muscle Performance Cognitive Function and Less Bloating Reduced Water Retention Orange Sherbert 30 Servings**Fit & Lean**$19.63**5.0★**▲ 229%**](https://www.amazon.com/dp/B0FNRQ3971)
**~~View all trending →~~**
## **What reviews say buyers love and hate about guanidinoacetic acid**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Joint Pain**11%
*“WORKING WELL FOR MY NEUROPATHY PAIN”*
**Quality-Overall**8%
*“Good quality”*
**Vitamin**8%
*“good supplement”*
**Muscle Pain Relief**7%
*“You will get stronger muscles, tendons and bones with this cocktail”*
**Value For Money**6%
*“Decent for the price”*
**Nutritional Content**6%
*“This is hands down better than any other creatine Ive used”*
**Efficiency**6%
*“Extremely effective”*
**Advertised Vs Actual Product**4%
*“I do believe that this works as claimed”*
**Ingredients-Overall**4%
*“Exceptional creatine”*
**Strength**4%
*“This product is really powerful for me”*
### **What buyers complain about **
**Value For Money**6%
*“It is expensive”*
**Dosage**6%
*“a dose with no real scientific backing”*
**Size-Overall**6%
*“Capsules too large for me”*
**Ingredients-Overall**5%
*“Changed formulation”*
**Functionality-Overall**5%
*“Dont work”*
**Acid Regulator/Stomach Ache Relief**5%
*“Acid reflux after swallowing them”*
**Quality-Overall**4%
*“This product is overrated”*
**Advertised Vs Actual Product**4%
*“Complete false advertisement”*
**Taste-Overall**4%
*“It's definitely not tasteless”*
**Pain Relief-Overall**4%
*“Doesnt work - I do not get sore”*
### **Top return reasons **
**Acid Regulator/Stomach Ache Relief**50%
**Advertised Vs Actual Product**50%
## **Common guanidinoacetic acid questions**
- **Is guanidinoacetic acid profitable to sell on Amazon United States?**
- The niche generates $7K/yr across 16 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +7.3%. Flapen's verdict: Skip it (40/100).
- **How competitive is the guanidinoacetic acid niche?**
- 11 brands and 23 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in guanidinoacetic acid?**
- Top complaints mined from reviews: Value For Money, Dosage, Size-Overall. The return rate is 0.0%.
- **What does it cost to enter the guanidinoacetic acid niche?**
- Listings span $12.97–$68.48; the average listing price is $32.59 (sweet spot $15–$100). The average incumbent carries 874 reviews — the moat a new listing must climb.
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