mass gainer
Skip itPrices mostly outside the sweet spot ($119.02–$272.02) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Avg price
Okay$180.88avg listing price — sweet spot $15–$100
Review moat
Okay3,142.07avg incumbent reviews — the moat a new listing must climb
Growth
Okay+6.7%90-day search growth — must beat 0% to launch
Competition
Bad71%top-5 click share — a locked-up shelf
Market size
Bad$70K$70K/yr · 54K searches
Brand share
Bad93%top-5 brand share — brand-locked demand
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale
Price range
Bad$119.02–$272.02cheapest to priciest tracked listing — scored on the share inside $15–$100
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
mass gainer market data
- Units sold / yr
- 250–500
- avg 0–100/product
- Revenue / yr
- $45K–$90K
- units × avg price
- Conversion rate
- 0.7%
- Avg BSR
- #40
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 0%
- Out of stock
- 8.6%
- Avg brand age
- 63 months
- Avg seller age
- 53 days
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.Top mass gainer search terms
- mass gainer37K/yr
- ماس جينر7K/yr
- بروتين ماس5K/yr
- mass gainer protein powder4K/yr
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.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$135.434.3★12,561 rev

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$133.713.9★315 rev

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$208.564.3★2,610 rev

Body Builder Mass Gainer | 40gm High protein - muscle Growth & Recovery Weight Gainer Protein (Chocolate 5lb)
Body Builder$141.084.1★12 rev

Dymatize Nutrition Super Mass Gainer Gourmet Vanilla 6 lbs (2.7 kg)
Dymatize$158.434.5★7,297 rev
Newest
by launch date
Body Builder Mass Gainer | 40gm High protein - muscle Growth & Recovery Weight Gainer Protein (5 LB Cookies and Cream)
Body Builder$142.404 rev

Basix Gain - Total Gainer - Vanilla Whip - 6 Lb
Basix$119.023 rev

Body Builder Mass Gainer | 40gm High protein - muscle Growth & Recovery Weight Gainer Protein (Chocolate 5lb)
Body Builder$141.0812 rev

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$211.8018,378 rev

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$201.852,744 rev
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)
Optimum Nutrition$211.804.4★

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$201.854.3★

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$186.244.3★

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$135.434.3★

Applied Nutrition Critical Mass Gainz Chocolate - 2.4kg
Applied Nutrition$165.913.8★
What buyers say about mass gainer
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality”
What buyers complain about
“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
- Is mass gainer profitable to sell on Amazon Saudi Arabia?
- 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).
- How competitive is the mass gainer niche?
- 7 brands and 11 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in mass gainer?
- Top complaints mined from reviews: منظم الحموضة/تخفيف آلام المعدة. The return rate is 0.2%.
- What does it cost to enter the mass gainer niche?
- 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.