---
title: "Mass Gainer — $70K/yr Amazon SA Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/sa/health/mass-gainer"
last_updated: "2026-08-08T05:23:33.948Z"
locale: en
meta:
  description: "Niche score 37/100 · $70K/yr market · 54K searches/yr · $180.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 37/100 · $70K/yr market · 54K searches/yr · $180.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Mass Gainer — $70K/yr Amazon SA Niche (2026) - Flapen"
---

# **mass gainer**

**Skip it**

Prices mostly outside the sweet spot ($119.02–$272.02) — this niche doesn't clear our bar today.

Market size 18Growth 33Conversion 9Competition 24Returns 99Price range 0Avg price 49Brand share 16Review moat 34Quality gap 88

**Returns**

**Incredible****0.2%**

return rate — above 5% kills the launch gate

**Quality gap**

**Great****4.1★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Okay****$180.88**

avg listing price — sweet spot $15–$100

**Review moat**

**Okay****3,142.07**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+6.7%**

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

**Competition**

**Bad****71%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$70K**

$70K/yr · 54K searches

**Brand share**

**Bad****93%**

top-5 brand share — brand-locked demand

**Conversion**

**Bad****0.7%**

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

**Price range**

**Bad****$119.02–$272.02**

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

**Signals**[** High Price**](https://flapen.com/research/niches?market=sa&signal=high_price "Avg price > $50")

According to Flapen's Amazon Saudi Arabia niche tracking, mass gainer is a $70K/yr Amazon Saudi Arabia market (54K searches/yr). The top 5 brands hold 93% of demand. Verdict: Skip it — 37/100.

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

## **mass gainer market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**250–500**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$45K–$90K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**0.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#40**</dd>

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

<dt>**Prime**</dt><dd>**93%**</dd>

<dt>**Sponsored**</dt><dd>**0%**</dd>

<dt>**Out of stock**</dt><dd>**8.6%**</dd>

<dt>**Avg brand age**</dt><dd>**63 months**</dd>

<dt>**Avg seller age**</dt><dd>**53 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**7 **▲rising

**Sellers**

**11**

**Top-5 brand share**

**93%**

Top 20: 100%

**Top-5 click share**

**71%**

Top 20: 100%

**Open market**

**2%**

- Optimum Nutrition59% - Body Builder11% - Muscletech11% - Dymatize8% - Applied Nutrition4% - Basix4% - Open — no brand owns it (1 brand, 2%)

## **Demand**

Weekly Amazon search volume, last 25 weeks — +6.7% search growth over the last 90 days.

1K750Spike '26Prime Day '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26

[**Open Trend **](https://flapen.com/research/sa/health/mass-gainer/trend)

## **Top mass gainer search terms**

- **mass gainer**37K/yr+5.5%0.5% conv. - **ماس جينر**7K/yr+16.5%0.6% conv. - **بروتين ماس**5K/yr+32.5%0.5% conv. - **mass gainer protein powder**4K/yr-29.7%0.6% conv. [**All search terms **](https://flapen.com/research/sa/health/mass-gainer/search-terms)

## **Top mass gainer 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%$14K30%$21K40%$28K1101001K10K100K 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![Optimum Nutrition (ON) Serious Mass: High Protein Muscle Building and Weight Gainer Protein Powder 50 Grams of Protein Vitamin C Zinc And Vitamin D for Immune Support - Vanilla 6 Lbs (2.72 kg)](https://m.media-amazon.com/images/I/41fJoKiQwtL.jpg)**Optimum Nutrition (ON) Serious Mass: High Protein Muscle Building and Weight Gainer Protein Powder 50 Grams of Protein Vitamin C Zinc And Vitamin D for Immune Support - Vanilla 6 Lbs (2.72 kg)**Optimum Nutrition**$135.43**4.3★12,561 rev](https://www.amazon.sa/dp/B0015R6ZPQ) [2![Optimum Nutrition (ON) Serious Mass: Protein Powder 50 Grams of Protein Vitamin C Zinc And Vitamin D for Immune Support - Chocolate 6 Lbs (2.72 kg)](https://m.media-amazon.com/images/I/41+UhbNjHaL.jpg)**Optimum Nutrition (ON) Serious Mass: Protein Powder 50 Grams of Protein Vitamin C Zinc And Vitamin D for Immune Support - Chocolate 6 Lbs (2.72 kg)**Optimum Nutrition**$133.71**3.9★315 rev](https://www.amazon.sa/dp/B06XH28C1K) [3![Muscletech 100% Mass Gainer High-Protein Powder Enhance Muscle Strength Performance & Quicker Muscle Recovery - 5g Creatine 305g Carbs & 1500 Calories Chocolate Fudge Brownie Flavor 5.15 lbs](https://m.media-amazon.com/images/I/41T4qPFkDaL.jpg)**Muscletech 100% Mass Gainer High-Protein Powder Enhance Muscle Strength Performance & Quicker Muscle Recovery - 5g Creatine 305g Carbs & 1500 Calories Chocolate Fudge Brownie Flavor 5.15 lbs**Muscletech**$208.56**4.3★2,610 rev](https://www.amazon.sa/dp/B07BP7DQG9) [4![Body Builder Mass Gainer | 40gm High protein - muscle Growth & Recovery Weight Gainer Protein (Chocolate 5lb)](https://m.media-amazon.com/images/I/41gCLL6kV9L.jpg)**Body Builder Mass Gainer | 40gm High protein - muscle Growth & Recovery Weight Gainer Protein (Chocolate 5lb)**Body Builder**$141.08**4.1★12 rev](https://www.amazon.sa/dp/B0CCL2RZBP) [5![Dymatize Nutrition Super Mass Gainer Gourmet Vanilla 6 lbs (2.7 kg)](https://m.media-amazon.com/images/I/4160rzTDGSL.jpg)**Dymatize Nutrition Super Mass Gainer Gourmet Vanilla 6 lbs (2.7 kg)**Dymatize**$158.43**4.5★7,297 rev](https://www.amazon.sa/dp/B0020XQWCA)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Body Builder Mass Gainer | 40gm High protein - muscle Growth & Recovery Weight Gainer Protein (5 LB Cookies and Cream)](https://m.media-amazon.com/images/I/41JwkQpsfXL.jpg)**Body Builder Mass Gainer | 40gm High protein - muscle Growth & Recovery Weight Gainer Protein (5 LB Cookies and Cream)**Body Builder**$142.40**4 rev10mo ago](https://www.amazon.sa/dp/B0FRZK4946) [![Basix Gain - Total Gainer - Vanilla Whip - 6 Lb](https://m.media-amazon.com/images/I/41IeUNN5l1L.jpg)**Basix Gain - Total Gainer - Vanilla Whip - 6 Lb**Basix**$119.02**3 rev1y ago](https://www.amazon.sa/dp/B0D3VPGSRJ) [![Body Builder Mass Gainer | 40gm High protein - muscle Growth & Recovery Weight Gainer Protein (Chocolate 5lb)](https://m.media-amazon.com/images/I/41gCLL6kV9L.jpg)**Body Builder Mass Gainer | 40gm High protein - muscle Growth & Recovery Weight Gainer Protein (Chocolate 5lb)**Body Builder**$141.08**12 rev2y ago](https://www.amazon.sa/dp/B0CCL2RZBP) [![Optimum Nutrition Serious Mass Weight Gainer Protein Powder Mass Gainer Vitamin C and Zinc for Immune Support Creatine Chocolate 6 Pound (Packaging May Vary)](https://m.media-amazon.com/images/I/41Xv24TlomL.jpg)**Optimum Nutrition Serious Mass Weight Gainer Protein Powder Mass Gainer Vitamin C and Zinc for Immune Support Creatine Chocolate 6 Pound (Packaging May Vary)**Optimum Nutrition**$211.80**18,378 rev3y ago](https://www.amazon.sa/dp/B0015R36SK) [![Muscletech Mass Gainer | 100% Mass Gainer Protein Powder | Protein Powder for Muscle Gain | Whey Protein + Muscle Builder |Creatine Supplements | Vanilla 5.15 Pound (Pack of 1)](https://m.media-amazon.com/images/I/41Svt-P4GbL.jpg)**Muscletech Mass Gainer | 100% Mass Gainer Protein Powder | Protein Powder for Muscle Gain | Whey Protein + Muscle Builder |Creatine Supplements | Vanilla 5.15 Pound (Pack of 1)**Muscletech**$201.85**2,744 rev4y ago](https://www.amazon.sa/dp/B08VPF6683)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Optimum Nutrition Serious Mass Weight Gainer Protein Powder Mass Gainer Vitamin C and Zinc for Immune Support Creatine Chocolate 6 Pound (Packaging May Vary)](https://m.media-amazon.com/images/I/41Xv24TlomL.jpg)**Optimum Nutrition Serious Mass Weight Gainer Protein Powder Mass Gainer Vitamin C and Zinc for Immune Support Creatine Chocolate 6 Pound (Packaging May Vary)**Optimum Nutrition**$211.80**4.4★**▲ 245%**](https://www.amazon.sa/dp/B0015R36SK) [![Muscletech Mass Gainer | 100% Mass Gainer Protein Powder | Protein Powder for Muscle Gain | Whey Protein + Muscle Builder |Creatine Supplements | Vanilla 5.15 Pound (Pack of 1)](https://m.media-amazon.com/images/I/41Svt-P4GbL.jpg)**Muscletech Mass Gainer | 100% Mass Gainer Protein Powder | Protein Powder for Muscle Gain | Whey Protein + Muscle Builder |Creatine Supplements | Vanilla 5.15 Pound (Pack of 1)**Muscletech**$201.85**4.3★**▲ 91%**](https://www.amazon.sa/dp/B08VPF6683) [![laperva Triple Mass Gainer Protein Powder High Calorie Weight Gainer with Glutamine & Added Essential Fatty Acids 1500mg Added Creatine Blend +10 gm of BCAA (Strawberry 6lb)](https://m.media-amazon.com/images/I/41QuFiuvYPL.jpg)**laperva Triple Mass Gainer Protein Powder High Calorie Weight Gainer with Glutamine & Added Essential Fatty Acids 1500mg Added Creatine Blend +10 gm of BCAA (Strawberry 6lb)**laperva**$186.24**4.3★**▲ 66%**](https://www.amazon.sa/dp/B086DWXGY3) [![Optimum Nutrition (ON) Serious Mass: High Protein Muscle Building and Weight Gainer Protein Powder 50 Grams of Protein Vitamin C Zinc And Vitamin D for Immune Support - Vanilla 6 Lbs (2.72 kg)](https://m.media-amazon.com/images/I/41fJoKiQwtL.jpg)**Optimum Nutrition (ON) Serious Mass: High Protein Muscle Building and Weight Gainer Protein Powder 50 Grams of Protein Vitamin C Zinc And Vitamin D for Immune Support - Vanilla 6 Lbs (2.72 kg)**Optimum Nutrition**$135.43**4.3★**▲ 60%**](https://www.amazon.sa/dp/B0015R6ZPQ) [![Applied Nutrition Critical Mass Gainz Chocolate - 2.4kg](https://m.media-amazon.com/images/I/411zc+XWKwL.jpg)**Applied Nutrition Critical Mass Gainz Chocolate - 2.4kg**Applied Nutrition**$165.91**3.8★**▲ 52%**](https://www.amazon.sa/dp/B01ASEH51O)

**~~View all trending →~~**

## **What buyers say about mass gainer**

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

### **What buyers love **

**الجودة الشاملة**100%

*“Good quality”*

### **What buyers complain about **

**منظم الحموضة/تخفيف آلام المعدة**100%

*“Very bad not worth it i don't know why I'm buy this product when I drink this protein after I'm didn't eat anything because stomach sick”*

## **Common questions**

<dl>

<dt>**Is mass gainer profitable to sell on Amazon Saudi Arabia?**</dt><dd>The niche generates $70K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +6.7%. Flapen's verdict: Skip it (37/100).</dd>

<dt>**How competitive is the mass gainer niche?**</dt><dd>7 brands and 11 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 93% of demand.</dd>

<dt>**What do buyers complain about in mass gainer?**</dt><dd>Top complaints mined from reviews: منظم الحموضة/تخفيف آلام المعدة. The return rate is 0.2%.</dd>

<dt>**What does it cost to enter the mass gainer niche?**</dt><dd>Listings span $119.02–$272.02; the average listing price is $180.88 (sweet spot $15–$100). The average incumbent carries 3,142 reviews — the moat a new listing must climb.</dd>

</dl>

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