---
title: "5htp 50mg — $66K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/5htp-50mg"
last_updated: "2026-08-09T14:21:15.128Z"
locale: en
meta:
  description: "Niche score 46/100 · $66K/yr market · 19K searches/yr · $18.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 46/100 · $66K/yr market · 19K searches/yr · $18.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "5htp 50mg — $66K/yr Amazon US Niche (2026) - Flapen"
---

# **5htp 50mg**

**Skip it**

A small market ($66K/yr) — this niche doesn't clear our bar today.

Market size 16Growth 20Conversion 99Competition 21Returns 100Price range 72Avg price 84Brand share 33Review moat 45Quality gap 42

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****18.8%**

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

**Avg price**

**Great****$18.56**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$4.75–$41.26**

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

**Review moat**

**Okay****2,007.42**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****85%**

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

**Competition**

**Bad****75%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-9.1%**

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

**Market size**

**Bad****$66K**

$66K/yr · 19K searches

According to Flapen's Amazon United States niche tracking, 5htp 50mg is a $66K/yr Amazon United States market (19K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Aug. Verdict: Skip it — 46/100.

Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **5htp 50mg market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$56K–$74K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**18.8%**</dd>

<dt>**Avg BSR**</dt><dd>**#278**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**50%**</dd>

<dt>**Out of stock**</dt><dd>**6.6%**</dd>

<dt>**Avg brand age**</dt><dd>**119 months**</dd>

<dt>**Avg seller age**</dt><dd>**196 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**10 **▼falling

**Sellers**

**28**

**Top-5 brand share**

**85%**

Top 20: 100%

**Top-5 click share**

**75%**

Top 20: 100%

**Open market**

**11%**

- NOW Foods60% - Integrative Therapeutics8% - Pure Encapsulations7% - Best Naturals6% - Jarrow Formulas4% - BulkSupplements4% - Open — no brand owns it (4 brands, 11%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -9.1% search growth over the last 90 days.

600400Spike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Aug · busiest ÷ quietest = 1.5×

[**Open Trend **](https://flapen.com/research/us/health-household/5htp-50mg/trend)

## **Top 5htp 50mg search terms**

- **5htp 50mg**10K/yr-8.2%14.3% conv. - **5 htp 50 mg**5K/yr-12.8%14.6% conv. - **5-htp 50mg**4K/yr-6.7%14.7% conv. [**All search terms **](https://flapen.com/research/us/health-household/5htp-50mg/search-terms)

## **Top 5htp 50mg 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%$7K20%$13K30%$20K40%$26K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 90 Veg Capsules](https://m.media-amazon.com/images/I/41XdZ2BXWGL.jpg)**NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 90 Veg Capsules**NOW Foods**$9.28**4.5★2,260 rev](https://www.amazon.com/dp/B00024DA9C) [2![NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 180 Veg Capsules](https://m.media-amazon.com/images/I/4146HMMZB4L.jpg)**NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 180 Veg Capsules**NOW Foods**$17.19**4.5★2,260 rev](https://www.amazon.com/dp/B001IS1K16) [3![NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 30 Veg Capsules](https://m.media-amazon.com/images/I/41R1dQdzcDL.jpg)**NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 30 Veg Capsules**NOW Foods**$4.75**4.5★2,260 rev](https://www.amazon.com/dp/B005P0RY18) [4![Integrative Therapeutics 5-HTP - Supplement that Supports a Healthy Outlook & Restful Sleep* - Vegan Dairy-Free & Gluten-Free - 60 Capsules (60 Servings)](https://m.media-amazon.com/images/I/31lXT1KEczL.jpg)**Integrative Therapeutics 5-HTP - Supplement that Supports a Healthy Outlook & Restful Sleep* - Vegan Dairy-Free & Gluten-Free - 60 Capsules (60 Servings)**Integrative Therapeutics**$23.56**4.7★190 rev](https://www.amazon.com/dp/B0017U6R18) [5![Pure Encapsulations 5-HTP 50 mg | 5-Hydroxytryptophan Supplement for Brain Sleep Eating Behavior and Serotonin Support* | 60 Capsules](https://m.media-amazon.com/images/I/41bc1d+7whL.jpg)**Pure Encapsulations 5-HTP 50 mg | 5-Hydroxytryptophan Supplement for Brain Sleep Eating Behavior and Serotonin Support* | 60 Capsules**Pure Encapsulations**$41.26**4.5★259 rev](https://www.amazon.com/dp/B0016BXOWI)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![BulkSupplements.com 5-HTP Capsules - 5-Hydroxytryptophan Mood Support Supplement - Gluten Free 1 Capsule per Serving (50mg) 365 Capsules (Pack of 1)](https://m.media-amazon.com/images/I/41uI6hdcPWL.jpg)**BulkSupplements.com 5-HTP Capsules - 5-Hydroxytryptophan Mood Support Supplement - Gluten Free 1 Capsule per Serving (50mg) 365 Capsules (Pack of 1)**BulkSupplements**$18.89**36 rev3y ago](https://www.amazon.com/dp/B0CC72PMQF) [![5HTP Liquid Drops - More Absorbable and Effective Than 5 HTP Capsules (60 Servings of 50mg 99%+ 5-HTP) Serotonin Supplement for Mood Sleep and Relaxation by Double Wood](https://m.media-amazon.com/images/I/41Ubd6B4-XL.jpg)**5HTP Liquid Drops - More Absorbable and Effective Than 5 HTP Capsules (60 Servings of 50mg 99%+ 5-HTP) Serotonin Supplement for Mood Sleep and Relaxation by Double Wood**Double Wood Supplements**$9.96**1,251 rev4y ago](https://www.amazon.com/dp/B0B2GR84QT) [![Nutricost 5-HTP 100mg 240 Vegetarian Capsules (5-Hydroxytryptophan) - Non-GMO & Gluten Free](https://m.media-amazon.com/images/I/41GK69b4NCL.jpg)**Nutricost 5-HTP 100mg 240 Vegetarian Capsules (5-Hydroxytryptophan) - Non-GMO & Gluten Free**Nutricost**$19.61**9,555 rev10y ago](https://www.amazon.com/dp/B01A1DL4DW) [![Best Naturals 5-HTP 50 mg 120 Capsules 5 HTP Capsules Supports Relaxation & restful Sleep](https://m.media-amazon.com/images/I/412YToU9+jL.jpg)**Best Naturals 5-HTP 50 mg 120 Capsules 5 HTP Capsules Supports Relaxation & restful Sleep**Best Naturals**$8.96**354 rev12y ago](https://www.amazon.com/dp/B00L83AW5Q) [![NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 180 Veg Capsules](https://m.media-amazon.com/images/I/4146HMMZB4L.jpg)**NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 180 Veg Capsules**NOW Foods**$17.19**2,260 rev17y ago](https://www.amazon.com/dp/B001IS1K16)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![BulkSupplements.com 5-HTP Capsules - 5-Hydroxytryptophan Mood Support Supplement - Gluten Free 1 Capsule per Serving (50mg) 365 Capsules (Pack of 1)](https://m.media-amazon.com/images/I/41uI6hdcPWL.jpg)**BulkSupplements.com 5-HTP Capsules - 5-Hydroxytryptophan Mood Support Supplement - Gluten Free 1 Capsule per Serving (50mg) 365 Capsules (Pack of 1)**BulkSupplements**$18.89**4.3★**▲ 106%**](https://www.amazon.com/dp/B0CC72PMQF) [![Jarrow Formulas 5-HTP 50mg Brain and Memory Support 90 Count](https://m.media-amazon.com/images/I/41FdXvtafGL.jpg)**Jarrow Formulas 5-HTP 50mg Brain and Memory Support 90 Count**Jarrow Formulas**$16.25**4.5★**▲ 39%**](https://www.amazon.com/dp/B0013OVSWG) [![Natrol 5-HTP 100 mg Time Release Helps Support a Balanced Mood 90 Tablets](https://m.media-amazon.com/images/I/41EzMKWRLuL.jpg)**Natrol 5-HTP 100 mg Time Release Helps Support a Balanced Mood 90 Tablets**Natrol**$15.06**4.6★**▲ 29%**](https://www.amazon.com/dp/B001JD9DMI) [![NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 30 Veg Capsules](https://m.media-amazon.com/images/I/41R1dQdzcDL.jpg)**NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 30 Veg Capsules**NOW Foods**$4.75**4.5★**▲ 20%**](https://www.amazon.com/dp/B005P0RY18) [![NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 180 Veg Capsules](https://m.media-amazon.com/images/I/4146HMMZB4L.jpg)**NOW Foods Supplements 5-HTP (5-hydroxytryptophan) 50 mg Neurotransmitter Support* 180 Veg Capsules**NOW Foods**$17.19**4.5★**▲ 10%**](https://www.amazon.com/dp/B001IS1K16)

**~~View all trending →~~**

## **What buyers say about 5htp 50mg**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Sleep Quality**23%

*“I am sleeping better”*

**Quality-Overall**13%

*“Good quality”*

**Stress/Anxiety**9%

*“Just as good as an anti-depressant”*

**Focus Enhancement**7%

*“Great noticeable support for mood”*

**Value For Money**5%

*“outstanding $/performance”*

**Efficiency**4%

*“Works good”*

**Taste-Overall**4%

*“Not sugary, just the flavor”*

**Posture Enhancer**3%

*“Perfect to help me rest”*

**Vitamin**3%

*“good vitamin- easy to swallow”*

**Advertised Vs Actual Product**3%

*“Works as advertised”*

### **What buyers complain about **

**Functionality-Overall**17%

*“Didnt work for me”*

**Sleep Quality**16%

*“got worse sleep as a result”*

**Dosage**13%

*“stopped right after taking it”*

**Side Effects**7%

*“had a profoundly negative effect on my mood”*

**Acid Regulator/Stomach Ache Relief**7%

*“stomach cramps”*

**Value For Money**7%

*“Overpriced and dangerous”*

**Size-Overall**6%

*“Im wondering why such a big bottle”*

**Allergies**5%

*“This gave me numbness”*

**Advertised Vs Actual Product**3%

*“Completely opposite from what I expected”*

### **Top return reasons **

**Dosage**50%

**Certifications**50%

## **Common questions**

<dl>

<dt>**Is 5htp 50mg profitable to sell on Amazon United States?**</dt><dd>The niche generates $66K/yr across 12 tracked products. 90-day search growth is -9.1%. Flapen's verdict: Skip it (46/100).</dd>

<dt>**How competitive is the 5htp 50mg niche?**</dt><dd>10 brands and 28 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 85% of demand.</dd>

<dt>**What do buyers complain about in 5htp 50mg?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Sleep Quality, Dosage. The return rate is 0.0%.</dd>

<dt>**When does demand for 5htp 50mg peak?**</dt><dd>Demand peaks in Aug; the busiest month runs 1.5× the quietest.</dd>

<dt>**What does it cost to enter the 5htp 50mg niche?**</dt><dd>Listings span $4.75–$41.26; the average listing price is $18.56 (sweet spot $15–$100). The average incumbent carries 2,007 reviews — the moat a new listing must climb.</dd>

</dl>

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