---
title: "Magnesium — $8K/yr Amazon SG Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/sg/health-household-and-personal-care/magnesium"
last_updated: "2026-08-08T05:27:56.151Z"
locale: en
meta:
  description: "Niche score 47/100 · $8K/yr market · 14K searches/yr · $22.33 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 47/100 · $8K/yr market · 14K searches/yr · $22.33 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Magnesium — $8K/yr Amazon SG Niche (2026) - Flapen"
---

# **magnesium**

**Skip it**

A small market ($8K/yr) — this niche doesn't clear our bar today.

Market size 2Growth 33Conversion 31Competition 50Returns 100Price range 88Avg price 93Brand share 65Review moat 21Quality gap 48

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****$22.33**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$10.96–$57.23**

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

**Brand share**

**Good****66%**

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

**Competition**

**Good****55%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Okay****+6.2%**

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

**Conversion**

**Okay****2.5%**

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

**Review moat**

**Bad****12,118.76**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Bad****$8K**

$8K/yr · 14K searches

According to Flapen's Amazon Singapore niche tracking, magnesium is a $8K/yr Amazon Singapore market (14K searches/yr). The top 5 brands hold 66% of demand. Verdict: Skip it — 47/100.

Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **magnesium market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**1K–1K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$22K–$28K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#177**</dd>

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

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

<dt>**Sponsored**</dt><dd>**36%**</dd>

<dt>**Out of stock**</dt><dd>**3.9%**</dd>

<dt>**Avg brand age**</dt><dd>**85 months**</dd>

<dt>**Avg seller age**</dt><dd>**0 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**18 **▼falling

**Sellers**

**35**

**Top-5 brand share**

**66%**

Top 20: 100%

**Top-5 click share**

**55%**

Top 20: 96%

**Open market**

**28%**

- Now Foods22% - Doctor's Best17% - Nature's Bounty13% - Swanson8% - PH PROWISE Healthcare7% - Nature Made6%

## **Demand**

Weekly Amazon search volume, last 47 weeks — +6.2% search growth over the last 90 days.

450350Spike '25Black Friday '25Spike '26Aug '25Oct '25Dec '25Jan '26Mar '26May '26Jun '26

[**Open Trend **](https://flapen.com/research/sg/health-household-and-personal-care/magnesium/trend)

## **Top magnesium search terms**

- **magnesium**13K/yr+5.5%4.6% conv. - **magnesium supplement**667/yr+21.2%3.6% conv. - **magnesium supplements**259/yr+0.0%5.0% conv. [**All search terms **](https://flapen.com/research/sg/health-household-and-personal-care/magnesium/search-terms)

## **Top 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%5%$38710%$77415%$1K20%$2K1101001K10K100K 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![Now Foods Magnesium Glycinate 180 Tablets](https://m.media-amazon.com/images/I/41JQzHxWjEL.jpg)**Now Foods Magnesium Glycinate 180 Tablets**Now Foods**$26.11**4.7★7,891 rev](https://www.amazon.sg/dp/B07NWMVMT1) [2![Doctors Best High Absorption Magnesium Glycinate Lysinate 100% Chelated Non-GMO Vegan Gluten & Soy Free 100 mg 240 Tablets](https://m.media-amazon.com/images/I/41qGJ-V5QrL.jpg)**Doctors Best High Absorption Magnesium Glycinate Lysinate 100% Chelated Non-GMO Vegan Gluten & Soy Free 100 mg 240 Tablets**Doctor's Best**$23.84**4.6★63,381 rev](https://www.amazon.sg/dp/B000BD0RT0) [3![Natures Bounty Magnesium Bone and Muscle Health Tablets 500 mg 200 Ct](https://m.media-amazon.com/images/I/41X4T5dtrhL.jpg)**Natures Bounty Magnesium Bone and Muscle Health Tablets 500 mg 200 Ct**Nature's Bounty**$15.51**4.7★92,694 rev](https://www.amazon.sg/dp/B00H5PJ0HW) [4![Magnesium Glycinate Complex 4 in 1-1866mg per serving | Precise 404mg Elemental Magnesium dose | Added Magnesium Glycinate Citrate Malate & Taurate | 90 Vegan Capsules - by Prowise](https://m.media-amazon.com/images/I/51NjssqvAIL.jpg)**Magnesium Glycinate Complex 4 in 1-1866mg per serving | Precise 404mg Elemental Magnesium dose | Added Magnesium Glycinate Citrate Malate & Taurate | 90 Vegan Capsules - by Prowise**PH PROWISE Healthcare**$23.73**4.4★2,594 rev](https://www.amazon.sg/dp/B0D83Z2NZ9) [5![Swanson Triple Magnesium Complex 400 mg 100 Vegan Caps Halal Reduce Stress Tiredness Fatigue Supports Nerve Muscle Bone Mood Cognitive Health](https://m.media-amazon.com/images/I/41vZkNt-8DL.jpg)**Swanson Triple Magnesium Complex 400 mg 100 Vegan Caps Halal Reduce Stress Tiredness Fatigue Supports Nerve Muscle Bone Mood Cognitive Health**Swanson**$12.64**4.7★1,510 rev](https://www.amazon.sg/dp/B07F92LL9D)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Magnesium Citrate Capsules 1500mg with Vitamin B6 | 120 Vegan Capsules | 450mg Elemental Mg | High Strength Magnesium Supplements for Women & Men | Capsule not Tablets | Made in UK by Prowise](https://m.media-amazon.com/images/I/41giSENqK7L.jpg)**Magnesium Citrate Capsules 1500mg with Vitamin B6 | 120 Vegan Capsules | 450mg Elemental Mg | High Strength Magnesium Supplements for Women & Men | Capsule not Tablets | Made in UK by Prowise**PH PROWISE Healthcare**$21.67**197 rev10mo ago](https://www.amazon.sg/dp/B0FQVBPVSB) [![365 by Whole Foods Market Magnesium Gummies 60 Count](https://m.media-amazon.com/images/I/31PotA6DQUL.jpg)**365 by Whole Foods Market Magnesium Gummies 60 Count**365 by Whole Foods Market**$17.67**20 rev10mo ago](https://www.amazon.sg/dp/B0CN9N6GM6) [![NOW Foods Magnesium Glycinate With BioPerine 180 Veg Capsules](https://m.media-amazon.com/images/I/41ew7vzwaEL.jpg)**NOW Foods Magnesium Glycinate With BioPerine 180 Veg Capsules**Now Foods**$25.63**914 rev1y ago](https://www.amazon.sg/dp/B0D7XY7K4T) [![21st Century Magnesium Glycinate 200 mg Capsules per Serving 90 Count](https://m.media-amazon.com/images/I/41ik-mhLxGL.jpg)**21st Century Magnesium Glycinate 200 mg Capsules per Serving 90 Count**21ST CENTURY**$17.47**268 rev1y ago](https://www.amazon.sg/dp/B0D4SLHNZ2) [![Calcium Magnesium Zinc + D3 1565mg Time-Release Formula | All-in-One Bone Muscle & Immunity Booster 120 CT](https://m.media-amazon.com/images/I/41Zwl3sgHNL.jpg)**Calcium Magnesium Zinc + D3 1565mg Time-Release Formula | All-in-One Bone Muscle & Immunity Booster 120 CT**Nano Singapore**$13.94**2 rev1y ago](https://www.amazon.sg/dp/B0DZWSG9QD)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![21st Century Magnesium Glycinate 200 mg Capsules per Serving 90 Count](https://m.media-amazon.com/images/I/41ik-mhLxGL.jpg)**21st Century Magnesium Glycinate 200 mg Capsules per Serving 90 Count**21ST CENTURY**$17.47**4.6★**▲ 275%**](https://www.amazon.sg/dp/B0D4SLHNZ2) [![Magnesium Citrate Capsules 1500mg with Vitamin B6 | 120 Vegan Capsules | 450mg Elemental Mg | High Strength Magnesium Supplements for Women & Men | Capsule not Tablets | Made in UK by Prowise](https://m.media-amazon.com/images/I/41giSENqK7L.jpg)**Magnesium Citrate Capsules 1500mg with Vitamin B6 | 120 Vegan Capsules | 450mg Elemental Mg | High Strength Magnesium Supplements for Women & Men | Capsule not Tablets | Made in UK by Prowise**PH PROWISE Healthcare**$21.67**4.5★**▲ 141%**](https://www.amazon.sg/dp/B0FQVBPVSB) [![Nature Made Magnesium 250 mg Tablets 200 Count Value Size (Packaging May Vary)](https://m.media-amazon.com/images/I/41OwFRLquTL.jpg)**Nature Made Magnesium 250 mg Tablets 200 Count Value Size (Packaging May Vary)**Nature Made**$17.18**4.7★**▲ 88%**](https://www.amazon.sg/dp/B0002VG3QC) [![Swanson Ultra Swanson Albion Chelated Magnesium Capsules 133 mg 90-Count](https://m.media-amazon.com/images/I/418H9gFWoSL.jpg)**Swanson Ultra Swanson Albion Chelated Magnesium Capsules 133 mg 90-Count**Swanson**$10.96**4.6★**▲ 78%**](https://www.amazon.sg/dp/B00068S9KY) [![NOW Foods Magnesium Glycinate With BioPerine 180 Veg Capsules](https://m.media-amazon.com/images/I/41ew7vzwaEL.jpg)**NOW Foods Magnesium Glycinate With BioPerine 180 Veg Capsules**Now Foods**$25.63**4.7★**▲ 70%**](https://www.amazon.sg/dp/B0D7XY7K4T)

**~~View all trending →~~**

## **What buyers say about magnesium**

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

### **What buyers love **

**Sleep Quality**33%

*“Good for sleep”*

**Regulates Digestion**33%

*“Good for digest”*

**Magnesium**8%

*“Magnesium Glycinate is the one for bone and muscle health”*

### **What buyers complain about **

**Muscle Pain Relief**25%

*“This is not for muscle”*

**Advertised Vs Actual Product**25%

*“This is an absolute case of misrepresentation”*

**Heart Health**25%

*“It can cause heartburn, indigestion, severe constipation”*

### **Top return reasons **

**Magnesium**33%

**Advertised Vs Actual Product**33%

**Safety Standards**33%

## **Common questions**

<dl>

<dt>**Is magnesium profitable to sell on Amazon Singapore?**</dt><dd>The niche generates $8K/yr across 25 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +6.2%. Flapen's verdict: Skip it (47/100).</dd>

<dt>**How competitive is the magnesium niche?**</dt><dd>18 brands and 35 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 66% of demand.</dd>

<dt>**What do buyers complain about in magnesium?**</dt><dd>Top complaints mined from reviews: Muscle Pain Relief, Advertised Vs Actual Product, Heart Health. The return rate is 0.1%.</dd>

<dt>**What does it cost to enter the magnesium niche?**</dt><dd>Listings span $10.96–$57.23; the average listing price is $22.33 (sweet spot $15–$100). The average incumbent carries 12,119 reviews — the moat a new listing must climb.</dd>

</dl>

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