---
title: "Voost Magnesium — $21K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/voost-magnesium"
last_updated: "2026-08-06T19:49:41.230Z"
locale: en
meta:
  description: "Niche score 55/100 · $21K/yr market · 41K searches/yr · $24.76 avg price. A small market ($21K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 55/100 · $21K/yr market · 41K searches/yr · $24.76 avg price. A small market ($21K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Voost Magnesium — $21K/yr Amazon US Niche (2026) - Flapen"
---

# **voost magnesium**

**Worth a look**

Shows low returns (0.0%), but a small market ($21K/yr) keeps it on the watch list.

Market size 5Growth 58Conversion 26Competition 73Returns 100Price range 85Avg price 95Brand share 53Review moat 55Quality gap 48

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$24.76**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$5.81–$79.68**

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

**Competition**

**Good****41%**

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

**Growth**

**Good****+32.5%**

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

**Review moat**

**Good****1,295.74**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Good****73%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****2.1%**

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

**Market size**

**Bad****$21K**

$21K/yr · 41K searches

According to Flapen's Amazon United States niche tracking, voost magnesium is a $21K/yr Amazon United States market (41K searches/yr). The top 5 brands hold 73% of demand. Verdict: Worth a look — 55/100.

Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **voost magnesium market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–2K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$37K–$50K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#2,233**</dd>

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

<dt>**Prime**</dt><dd>**97%**</dd>

<dt>**Sponsored**</dt><dd>**76%**</dd>

<dt>**Out of stock**</dt><dd>**9.0%**</dd>

<dt>**Avg brand age**</dt><dd>**53 months**</dd>

<dt>**Avg seller age**</dt><dd>**155 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**17 **▼falling

**Sellers**

**55**

**Top-5 brand share**

**73%**

Top 20: 100%

**Top-5 click share**

**41%**

Top 20: 85%

**Open market**

**23%**

- Mivolis31% - T&D21% - VivoNu9% - Swiss Imports8% - nutrazul5% - Trace Minerals4%

## **Demand & seasonality**

Weekly Amazon search volume, last 77 weeks — +32.5% search growth over the last 90 days.

2K1KSpike '25Spike '26 seasonMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul

No pronounced peak months · busiest ÷ quietest = 1.4×

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

## **Top voost magnesium search terms**

- **magnesium effervescent tablets**8K/yr+234.0%5.2% conv. - **mivolis**15K/yr-7.0%4.3% conv. - **voost hydration tablets**5K/yr+86.2%0.4% conv. - **voost**9K/yr-16.6%0.5% conv. - **mivolis multivitamin**4K/yr-20.7%1.2% conv. - **voost energy**546/yr+2.7%0.0% conv. - **voost magnesium**1K/yr-27.3%2.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/voost-magnesium/search-terms)

## **Top voost magnesium 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%4%$8428%$2K12%$3K16%$3K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![German Magnesium Oxide Supplement | Effervescent Tablets | Orange Flavor 200 mg Magnesium per Serving | Sugar Free Vegan T&D Pharma Made in Germany](https://m.media-amazon.com/images/I/41V9vj+5KqL.jpg)**German Magnesium Oxide Supplement | Effervescent Tablets | Orange Flavor 200 mg Magnesium per Serving | Sugar Free Vegan T&D Pharma Made in Germany**T&D**$19.30**4.5★821 rev](https://www.amazon.com/dp/B08KY6W8XF) [2![Magnesium Hydrogen Water Tablets Tablets for Drinking Water - H2 Molecular Tabs | Magnesium* Pills Electrolytes Hydration Supplement to Support Healthy Aging & Energy Boost (1 Pack)](https://m.media-amazon.com/images/I/51JjA5E2rlL.jpg)**Magnesium Hydrogen Water Tablets Tablets for Drinking Water - H2 Molecular Tabs | Magnesium* Pills Electrolytes Hydration Supplement to Support Healthy Aging & Energy Boost (1 Pack)**VivoNu**$16.97**3.7★120 rev](https://www.amazon.com/dp/B0G91H97C1) [3![MIVOLIS SWEETENER TABLETS 2400 pcs. - Table Sweeteners | Germany](https://m.media-amazon.com/images/I/412yAik37IL.jpg)**MIVOLIS SWEETENER TABLETS 2400 pcs. - Table Sweeteners | Germany**Mivolis**$11.32**4.6★776 rev](https://www.amazon.com/dp/B081S5R1ZK) [4![Swiss Imports Effervescent Magnesium + B Complex Dietary Supplement 20 Tablets](https://m.media-amazon.com/images/I/31foQvhnQRL.jpg)**Swiss Imports Effervescent Magnesium + B Complex Dietary Supplement 20 Tablets**Swiss Imports**$9.98**4.6★99 rev](https://www.amazon.com/dp/B0DJPPW6DP) [5![Mivolis Japanisches Heilpflanzenl (30ml Flasche) minzl - Japanese Mint Oil](https://m.media-amazon.com/images/I/41BDJrNApXL.jpg)**Mivolis Japanisches Heilpflanzenl (30ml Flasche) minzl - Japanese Mint Oil**Mivolis**$10.72**4.6★69 rev](https://www.amazon.com/dp/B09KN6J2CK)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Hydrogen Tablets for Drinking Water H2 Molecular Hydrogen Water Tablets with Magnesium Fast Dissolving Effervescent Drink Formula for Energy Focus & Hydration Lemon Lime Orange 40 Count](https://m.media-amazon.com/images/I/513RQOFxBBL.jpg)**Hydrogen Tablets for Drinking Water H2 Molecular Hydrogen Water Tablets with Magnesium Fast Dissolving Effervescent Drink Formula for Energy Focus & Hydration Lemon Lime Orange 40 Count**Cxlusxiu**$30.08**2 rev3mo ago](https://www.amazon.com/dp/B0GXNLL3MB) [![Magnesium Hydrogen Water Tablets Tablets for Drinking Water - H2 Molecular Tabs | Magnesium* Pills Electrolytes Hydration Supplement to Support Healthy Aging & Energy Boost (1 Pack)](https://m.media-amazon.com/images/I/51JjA5E2rlL.jpg)**Magnesium Hydrogen Water Tablets Tablets for Drinking Water - H2 Molecular Tabs | Magnesium* Pills Electrolytes Hydration Supplement to Support Healthy Aging & Energy Boost (1 Pack)**VivoNu**$16.97**120 rev7mo ago](https://www.amazon.com/dp/B0G91H97C1) [![625187054 Red 4 Years](https://m.media-amazon.com/images/I/41iHZ8KnHBL.jpg)**625187054 Red 4 Years**VARMILO**$13.04**61 rev9mo ago](https://www.amazon.com/dp/B0FWYFBD7W) [![Seltz Stress Support Drink Tablets Effervescent L-Theanine with Magnesium](https://m.media-amazon.com/images/I/41Zd9cnht2L.jpg)**Seltz Stress Support Drink Tablets Effervescent L-Theanine with Magnesium**Seltz**$12.49**52 rev1y ago](https://www.amazon.com/dp/B0F7M4J52H) [![H2Tab Molecular Hydrogen Water Drinking Tablets 30 Count](https://m.media-amazon.com/images/I/31UoTX+HOcL.jpg)**H2Tab Molecular Hydrogen Water Drinking Tablets 30 Count**H2TAB**$28.76**2,411 rev1y ago](https://www.amazon.com/dp/B0F11Q5NVH)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Hydrogen Tablets for Drinking Water H2 Molecular Hydrogen Water Tablets with Magnesium Fast Dissolving Effervescent Drink Formula for Energy Focus & Hydration Lemon Lime Orange 40 Count](https://m.media-amazon.com/images/I/513RQOFxBBL.jpg)**Hydrogen Tablets for Drinking Water H2 Molecular Hydrogen Water Tablets with Magnesium Fast Dissolving Effervescent Drink Formula for Energy Focus & Hydration Lemon Lime Orange 40 Count**Cxlusxiu**$30.08**4.5★**▲ 167%**](https://www.amazon.com/dp/B0GXNLL3MB) [![625187054 Red 4 Years](https://m.media-amazon.com/images/I/41iHZ8KnHBL.jpg)**625187054 Red 4 Years**VARMILO**$13.04**4.6★**▲ 165%**](https://www.amazon.com/dp/B0FWYFBD7W) [![Magnesium Hydrogen Water Tablets Tablets for Drinking Water - H2 Molecular Tabs | Magnesium* Pills Electrolytes Hydration Supplement to Support Healthy Aging & Energy Boost (1 Pack)](https://m.media-amazon.com/images/I/51JjA5E2rlL.jpg)**Magnesium Hydrogen Water Tablets Tablets for Drinking Water - H2 Molecular Tabs | Magnesium* Pills Electrolytes Hydration Supplement to Support Healthy Aging & Energy Boost (1 Pack)**VivoNu**$16.97**3.7★**▲ 162%**](https://www.amazon.com/dp/B0G91H97C1) [![H2Tab Molecular Hydrogen Water Drinking Tablets 30 Count](https://m.media-amazon.com/images/I/31UoTX+HOcL.jpg)**H2Tab Molecular Hydrogen Water Drinking Tablets 30 Count**H2TAB**$28.76**4.2★**▲ 126%**](https://www.amazon.com/dp/B0F11Q5NVH) [![SlowMag Muscle & Heart Magnesium Chloride Supplement with Calcium 120 Count Supports Muscle Relaxation Heart Nerve & Bone Health High Absorption](https://m.media-amazon.com/images/I/41dqNBp-93L.jpg)**SlowMag Muscle & Heart Magnesium Chloride Supplement with Calcium 120 Count Supports Muscle Relaxation Heart Nerve & Bone Health High Absorption**Slow-Mag**$16.73**4.7★**▲ 120%**](https://www.amazon.com/dp/B07CJX4M8K)

**~~View all trending →~~**

## **What buyers say about voost magnesium**

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

### **What buyers love **

**Taste-Overall**17%

*“taste clean”*

**Quality-Overall**9%

*“Great variety”*

**Flavor**9%

*“The flavor is subtle”*

**Energy Level**8%

*“More energy”*

**Solubility**5%

*“Mixes easily”*

**Advertised Vs Actual Product**5%

*“Product was as described”*

**Moist/Dry**5%

*“It's very hydrating”*

**Ease Of Use**4%

*“easy to mix”*

**Value For Money**4%

*“Worth it”*

**Magnesium**2%

*“best tasting magnesium supplement”*

### **What buyers complain about **

**Taste-Overall**15%

*“Bad Aftertaste”*

**Solubility**14%

*“Does not dissolve”*

**Value For Money**8%

*“A bit expensive”*

**Flavor**5%

*“Weak Flavor”*

**Side Effects**4%

*“My headache left”*

**Functionality-Overall**4%

*“barely works”*

**Magnesium**3%

*“The doctor found my magnesium was low”*

**Advertised Vs Actual Product**2%

*“It does not reveal this anywhere in the ad”*

**Dosage**2%

*“Small dose small result”*

**Sweetness**2%

*“which acts just like sugar”*

### **Top return reasons **

**Taste-Overall**16%

**Size-Overall**14%

**Advertised Vs Actual Product**14%

**Solubility**9%

**Language Issues**5%

**Dilute/Watery**5%

**Strength**5%

**Value For Money**5%

**Quality-Overall**5%

**Ingredients-Overall**5%

## **Common questions**

<dl>

<dt>**Is voost magnesium profitable to sell on Amazon United States?**</dt><dd>The niche generates $21K/yr across 34 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is +32.5%. Flapen's verdict: Worth a look (55/100).</dd>

<dt>**How competitive is the voost magnesium niche?**</dt><dd>17 brands and 55 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 73% of demand.</dd>

<dt>**What do buyers complain about in voost magnesium?**</dt><dd>Top complaints mined from reviews: Taste-Overall, Solubility, Value For Money. The return rate is 0.0%.</dd>

<dt>**When does demand for voost magnesium peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.4× the quietest.</dd>

<dt>**What does it cost to enter the voost magnesium niche?**</dt><dd>Listings span $5.81–$79.68; the average listing price is $24.76 (sweet spot $15–$100). The average incumbent carries 1,296 reviews — the moat a new listing must climb.</dd>

</dl>

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