cal
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Review moat
Incredible87.17avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible$22.91avg listing price — sweet spot $15–$100
Price range
Great$12.23–$56.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Growth
Bad-3.5%90-day search growth — must beat 0% to launch
Market size
Bad$38K$38K/yr · 1.0M searches
Conversion
Bad0.2%search→purchase rate — share of searches ending in a sale
Competition
Bad97%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, cal is a $38K/yr Amazon United States market (1.0M searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 37/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
cal market data
- Units sold / yr
- 2K–2K
- avg 250–500/product
- Revenue / yr
- $34K–$46K
- units × avg price
- Conversion rate
- 0.2%
- Avg BSR
- #383
- Page quality
- 0%
- Prime
- 17%
- Sponsored
- 67%
- Out of stock
- 19.2%
- Avg brand age
- 79 months
- Avg seller age
- 155 days
Competition & brand share
The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
5
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
97%
Top 20: 100%
Open market
0%
- YERBERO39%
- generic33%
- Unearthed25%
- Generic3%
Demand & seasonality
Weekly Amazon search volume, last 57 weeks — -3.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top cal search terms
- cal1.0M/yr
- cal para nixtamal8K/yr
- cal mexicana5K/yr
- cal para cocinar maiz2K/yr
Top cal 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 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Yerbero - Mexican Cal (Lime Powrder) 4 oz (114 gr) | Cal Mexicana Para Nixtamal o Sazonador Mexicano | Premium Quality For Nixtamalization & Tortilla Making - Imported From Mexico.
YERBERO$13.084.4★221 rev

Fine-Soft White Ground Limestone Powder All Natural Lime for Lawns and Chicken Coop Calcium Carbonate Rock Dust Fine Powder for Industry and Agriculture - (50 lb)
Unearthed$56.444.6★242 rev

Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 5 Lb
generic$24.774.4★18 rev

Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 2.5 Lb
generic$12.824.4★18 rev

Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 1 Lb
generic$12.234.4★18 rev
Newest
by launch date
Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 2.5 Lb
generic$12.8218 rev

Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 1 Lb
generic$12.2318 rev

Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 5 Lb
generic$24.7718 rev

Yerbero - Mexican Cal (Lime Powrder) 4 oz (114 gr) | Cal Mexicana Para Nixtamal o Sazonador Mexicano | Premium Quality For Nixtamalization & Tortilla Making - Imported From Mexico.
YERBERO$13.08221 rev

5oz Mexican Cal (Lime Powder) Cal Mexicana Para Nixtamal o Sazonador Mexicano | Premium Quality For Nixtamalization & Tortilla Making - Imported From Mexico.
Generic$18.116 rev
Trending
90-day click momentum
Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 2.5 Lb
generic$12.824.4★

Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 1 Lb
generic$12.234.4★

Premium Mexican Cal Para Nixtamal - Food Grade Calcium Hydroxide for Authentic Tortilla & Masa Making Nixtamalization and Tamales - High Purity Lime Powder 5 Lb
generic$24.774.4★

Fine-Soft White Ground Limestone Powder All Natural Lime for Lawns and Chicken Coop Calcium Carbonate Rock Dust Fine Powder for Industry and Agriculture - (50 lb)
Unearthed$56.444.6★

Yerbero - Mexican Cal (Lime Powrder) 4 oz (114 gr) | Cal Mexicana Para Nixtamal o Sazonador Mexicano | Premium Quality For Nixtamalization & Tortilla Making - Imported From Mexico.
YERBERO$13.084.4★
What buyers say about cal
What buyers praise and complain about, mined from review topics.What buyers love
“Worked as expected”
Common questions
- Is cal profitable to sell on Amazon United States?
- The niche generates $38K/yr across 6 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -3.5%. Flapen's verdict: Skip it (37/100).
- How competitive is the cal niche?
- 4 brands and 5 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 100% of demand.
- When does demand for cal peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the cal niche?
- Listings span $12.23–$56.44; the average listing price is $22.91 (sweet spot $15–$100). The average incumbent carries 87 reviews — the moat a new listing must climb.