---
title: "Prohealth Nmn — $176K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/prohealth-nmn"
last_updated: "2026-08-10T19:32:10.821Z"
locale: en
meta:
  description: "Niche score 51/100 · $176K/yr market · 90K searches/yr · $26.20 avg price. Soft demand (-38.9% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 51/100 · $176K/yr market · 90K searches/yr · $26.20 avg price. Soft demand (-38.9% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Prohealth Nmn — $176K/yr Amazon US Niche (2026) - Flapen"
---

# **prohealth nmn**

**Worth a look**

Shows low returns (0.0%), but soft demand (-38.9% this quarter) keeps it on the watch list.

Market size 36Growth 6Conversion 77Competition 28Returns 100Price range 91Avg price 95Brand share 58Review moat 81Quality gap 37

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$26.20**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$12.76–$62.23**

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

**Review moat**

**Great****374.73**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Great****7.5%**

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

**Brand share**

**Good****70%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****$176K**

$176K/yr · 90K searches

**Competition**

**Okay****68%**

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

**Growth**

**Bad****-38.9%**

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

**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, prohealth nmn is a $176K/yr Amazon United States market (90K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Jan. Verdict: Worth a look — 51/100.

Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **prohealth nmn market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**6K–8K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$157K–$210K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**7.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#857**</dd>

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

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

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

<dt>**Out of stock**</dt><dd>**4.4%**</dd>

<dt>**Avg brand age**</dt><dd>**64 months**</dd>

<dt>**Avg seller age**</dt><dd>**182 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**13 **—flat

**Sellers**

**18**

**Top-5 brand share**

**70%**

Top 20: 100%

**Top-5 click share**

**68%**

Top 20: 100%

**Open market**

**23%**

- Toniiq21% - Cata-Kor19% - ProHealth15% - Nextdia8% - Nutricost7% - Codeage7%

## **Demand & seasonality**

Weekly Amazon search volume, last 100 weeks — -38.9% search growth over the last 90 days.

4K3KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 2.3×

[**Open Trend **](https://flapen.com/research/us/health-household/prohealth-nmn/trend)

## **Top prohealth nmn search terms**

- **calcium akg**24K/yr-38.3%8.7% conv. - **ca akg**15K/yr-37.6%5.8% conv. - **ca-akg**10K/yr-30.2%5.2% conv. - **ca akg supplement**9K/yr-41.8%4.3% conv. - **calcium akg supplement**8K/yr-45.5%7.5% conv. - **calcium alpha-ketoglutarate**6K/yr-6.9%5.3% conv. - **ca-akg supplement**6K/yr-31.4%5.7% conv. - **caakg**6K/yr-48.9%6.9% conv. - **caakg supplement**5K/yr-67.3%7.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/prohealth-nmn/search-terms)

## **Top prohealth nmn 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%$18K20%$35K30%$53K40%$70K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 15 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Toniiq 1500mg Ultra High Purity Ca AKG Supplement - 99%+ Highly Purified and Bioavailable Calcium Alpha-Ketoglutarate - Calcium AKG Longevity Supplement - 120 Ca-AKG Vegetarian Capsules](https://m.media-amazon.com/images/I/414q5ZX3iGL.jpg)**Toniiq 1500mg Ultra High Purity Ca AKG Supplement - 99%+ Highly Purified and Bioavailable Calcium Alpha-Ketoglutarate - Calcium AKG Longevity Supplement - 120 Ca-AKG Vegetarian Capsules**Toniiq**$24.15**4.4★298 rev](https://www.amazon.com/dp/B0C6YN6K2X) [2![Cata-Kor Hair Skin and Nails Vitamins for Women Biotin Collagen Hair Supplement | Hyaluronic Acid | Calcium AKG | MSM | Vitamin D3 K2 & C Hair Growth Vitamins 30 Day Supply (1 Pack)](https://m.media-amazon.com/images/I/41f5e8Dl+KL.jpg)**Cata-Kor Hair Skin and Nails Vitamins for Women Biotin Collagen Hair Supplement | Hyaluronic Acid | Calcium AKG | MSM | Vitamin D3 K2 & C Hair Growth Vitamins 30 Day Supply (1 Pack)**Cata-Kor**$22.77**4.4★408 rev](https://www.amazon.com/dp/B0FWD7LKRH) [3![ProHealth Ca AKG Supplement (Alpha Ketoglutarate) (1 000 mg per 2 Capsule Serving 60 Capsules). Supports Metabolic Function and Healthy Aging Processes.](https://m.media-amazon.com/images/I/318pSkssMGL.jpg)**ProHealth Ca AKG Supplement (Alpha Ketoglutarate) (1 000 mg per 2 Capsule Serving 60 Capsules). Supports Metabolic Function and Healthy Aging Processes.**ProHealth**$24.19**4.5★506 rev](https://www.amazon.com/dp/B09CLLQ7XJ) [4![Liposomal Calcium AKG Supplement 1500mg with Vitamin D3 & K2 Softgels for Women & Men High AbsorptionCalcium Supplements with Magnesium Glycinate Boron Probiotics & Vitamin C for Bone - 120 Pills](https://m.media-amazon.com/images/I/41zUAyxbulL.jpg)**Liposomal Calcium AKG Supplement 1500mg with Vitamin D3 & K2 Softgels for Women & Men High AbsorptionCalcium Supplements with Magnesium Glycinate Boron Probiotics & Vitamin C for Bone - 120 Pills**Nextdia**$29.01**4.7★463 rev](https://www.amazon.com/dp/B0DFQ34PS1) [5![Nutricost AKG Alpha Ketoglutaric Acid Supplement 1 000mg 240 Capsules](https://m.media-amazon.com/images/I/41W1eXwMpTL.jpg)**Nutricost AKG Alpha Ketoglutaric Acid Supplement 1 000mg 240 Capsules**Nutricost**$19.64**4.6★330 rev](https://www.amazon.com/dp/B0CKKPYTL8)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Liposomal Calcium AKG Supplement 1700 MG - High Absorption Calcium Supplement for Women AKG Supplement for Cellular Energy Metabolic Function - 60 Capsules](https://m.media-amazon.com/images/I/419Oevp2XIL.jpg)**Liposomal Calcium AKG Supplement 1700 MG - High Absorption Calcium Supplement for Women AKG Supplement for Cellular Energy Metabolic Function - 60 Capsules**VITACRLLYNMN**$16.16**6 rev5mo ago](https://www.amazon.com/dp/B0GKFWBNC6) [![Doctors Recipes Calcium AKG Supplement 1000mg Calcium Supplement for Women & Men Alpha-ketoglutarate High Bioavailable for Healthy Aging Bone Health Vegan 150 Capsules](https://m.media-amazon.com/images/I/41qOhJO6HqL.jpg)**Doctors Recipes Calcium AKG Supplement 1000mg Calcium Supplement for Women & Men Alpha-ketoglutarate High Bioavailable for Healthy Aging Bone Health Vegan 150 Capsules**Doctor's Recipes**$20.03**43 rev8mo ago](https://www.amazon.com/dp/B0DWSQJ1Z6) [![Cata-Kor Hair Skin and Nails Vitamins for Women Biotin Collagen Hair Supplement | Hyaluronic Acid | Calcium AKG | MSM | Vitamin D3 K2 & C Hair Growth Vitamins 30 Day Supply (1 Pack)](https://m.media-amazon.com/images/I/41f5e8Dl+KL.jpg)**Cata-Kor Hair Skin and Nails Vitamins for Women Biotin Collagen Hair Supplement | Hyaluronic Acid | Calcium AKG | MSM | Vitamin D3 K2 & C Hair Growth Vitamins 30 Day Supply (1 Pack)**Cata-Kor**$22.77**408 rev9mo ago](https://www.amazon.com/dp/B0FWD7LKRH) [![Calcium AKG (Ca-AKG) Monohydrate 1200mg Per Serving | Calcium Alpha Ketoglutarate for Cellular Energy & Healthy Aging Support | Vegan Non-GMO GMP Facility | 60 Capsules](https://m.media-amazon.com/images/I/41y92uApdsL.jpg)**Calcium AKG (Ca-AKG) Monohydrate 1200mg Per Serving | Calcium Alpha Ketoglutarate for Cellular Energy & Healthy Aging Support | Vegan Non-GMO GMP Facility | 60 Capsules**PLANT.O NUTRITION**$21.96**31 rev1y ago](https://www.amazon.com/dp/B0FBW96GBP) [![ProHealth Ca AKG Supplement (Alpha Ketoglutarate) (1 000 mg per 2 Capsule Serving 60 Capsules). Supports Cellular Energy Metabolic Function and Healthy Aging Processes (3 Pack)](https://m.media-amazon.com/images/I/41dJR5e-g3L.jpg)**ProHealth Ca AKG Supplement (Alpha Ketoglutarate) (1 000 mg per 2 Capsule Serving 60 Capsules). Supports Cellular Energy Metabolic Function and Healthy Aging Processes (3 Pack)**ProHealth**$62.23**506 rev1y ago](https://www.amazon.com/dp/B0DQJXRFZH)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Calcium AKG (Ca-AKG) Monohydrate 1200mg Per Serving | Calcium Alpha Ketoglutarate for Cellular Energy & Healthy Aging Support | Vegan Non-GMO GMP Facility | 60 Capsules](https://m.media-amazon.com/images/I/41y92uApdsL.jpg)**Calcium AKG (Ca-AKG) Monohydrate 1200mg Per Serving | Calcium Alpha Ketoglutarate for Cellular Energy & Healthy Aging Support | Vegan Non-GMO GMP Facility | 60 Capsules**PLANT.O NUTRITION**$21.96**4.7★**▲ 400%**](https://www.amazon.com/dp/B0FBW96GBP) [![Liposomal Calcium AKG Supplement 1700 MG - High Absorption Calcium Supplement for Women AKG Supplement for Cellular Energy Metabolic Function - 60 Capsules](https://m.media-amazon.com/images/I/419Oevp2XIL.jpg)**Liposomal Calcium AKG Supplement 1700 MG - High Absorption Calcium Supplement for Women AKG Supplement for Cellular Energy Metabolic Function - 60 Capsules**VITACRLLYNMN**$16.16**4.7★**▲ 202%**](https://www.amazon.com/dp/B0GKFWBNC6) [![ProHealth Ca AKG Supplement (Alpha Ketoglutarate) (1 000 mg per 2 Capsule Serving 60 Capsules). Supports Cellular Energy Metabolic Function and Healthy Aging Processes (3 Pack)](https://m.media-amazon.com/images/I/41dJR5e-g3L.jpg)**ProHealth Ca AKG Supplement (Alpha Ketoglutarate) (1 000 mg per 2 Capsule Serving 60 Capsules). Supports Cellular Energy Metabolic Function and Healthy Aging Processes (3 Pack)**ProHealth**$62.23**4.5★**▲ 77%**](https://www.amazon.com/dp/B0DQJXRFZH) [![Cata-Kor Hair Skin and Nails Vitamins for Women Biotin Collagen Hair Supplement | Hyaluronic Acid | Calcium AKG | MSM | Vitamin D3 K2 & C Hair Growth Vitamins 30 Day Supply (1 Pack)](https://m.media-amazon.com/images/I/41f5e8Dl+KL.jpg)**Cata-Kor Hair Skin and Nails Vitamins for Women Biotin Collagen Hair Supplement | Hyaluronic Acid | Calcium AKG | MSM | Vitamin D3 K2 & C Hair Growth Vitamins 30 Day Supply (1 Pack)**Cata-Kor**$22.77**4.4★**▲ 37%**](https://www.amazon.com/dp/B0FWD7LKRH) [![Codeage Liposomal Calcium AKG Supplement Alpha-Ketoglutarate 60 Capsules](https://m.media-amazon.com/images/I/41NNnQzK4wL.jpg)**Codeage Liposomal Calcium AKG Supplement Alpha-Ketoglutarate 60 Capsules**Codeage**$29.09**4.8★**— 9%**](https://www.amazon.com/dp/B0CGTNXBYZ)

**~~View all trending →~~**

## **What buyers say about prohealth nmn**

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

### **What buyers love **

**Quality-Overall**15%

*“Excellent product”*

**Ease Of Chewing/Swallowing**9%

*“It's not hard to swallow one”*

**Calcium**8%

*“My favorite calcium supplements”*

**Value For Money**8%

*“Great price”*

**Vitamin**6%

*“Great vitamin”*

**Hair Growth**6%

*“I've noticed less hair shedding”*

**Energy Level**5%

*“has helped improve my energy overall”*

**Ease Of Use**4%

*“Easy to Use”*

**Advertised Vs Actual Product**3%

*“Product as advertised”*

**Absorbency**3%

*“It absorbs well too”*

### **What buyers complain about **

**Functionality-Overall**10%

*“Did not give results I was looking for”*

**Size-Overall**9%

*“The capsules are a bit large”*

**Calcium**7%

*“Women start losing bone calcium more rapidly after 40”*

**Dosage**6%

*“This product's description is deceptive in that 1500mg is actually three capsules per day”*

**Value For Money**4%

*“Not worth the money”*

**Advertised Vs Actual Product**3%

*“Deceptive”*

**Allergies**3%

*“Allergy”*

**Side Effects**3%

*“potentially detrimental to one's health”*

**Age Suitability**3%

*“that means it's also not childproof in any way”*

**Certifications**3%

*“But No 3rd Party Lab Testing COA or Sourcing Info Available”*

### **Top return reasons **

**Itch Relief**50%

**Regulates Digestion**50%

## **Common questions**

<dl>

<dt>**Is prohealth nmn profitable to sell on Amazon United States?**</dt><dd>The niche generates $176K/yr across 15 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -38.9%. Flapen's verdict: Worth a look (51/100).</dd>

<dt>**How competitive is the prohealth nmn niche?**</dt><dd>13 brands and 18 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 70% of demand.</dd>

<dt>**What do buyers complain about in prohealth nmn?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Size-Overall, Calcium. The return rate is 0.0%.</dd>

<dt>**When does demand for prohealth nmn peak?**</dt><dd>Demand peaks in Jan; the busiest month runs 2.3× the quietest.</dd>

<dt>**What does it cost to enter the prohealth nmn niche?**</dt><dd>Listings span $12.76–$62.23; the average listing price is $26.20 (sweet spot $15–$100). The average incumbent carries 375 reviews — the moat a new listing must climb.</dd>

</dl>

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