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51

blood balance

Worth a look

Shows low returns (0.0%), but soft demand (-34.2% this quarter) keeps it on the watch list.

Market size 35Growth 8Conversion 58Competition 24Returns 100Price range 95Avg price 95Brand share 39Review moat 74Quality gap 85

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$36.06

avg listing price — sweet spot $15–$100

Price range

Incredible$15.64–$69.57

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Good524.44

avg incumbent reviews — the moat a new listing must climb

Conversion

Good4.9%

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

Brand share

Okay82%

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

Market size

Okay$169K

$169K/yr · 95K searches

Competition

Bad71%

top-5 click share — a locked-up shelf

Growth

Bad-34.2%

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

According to Flapen's Amazon United States niche tracking, blood balance is a $169K/yr Amazon United States market (95K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 51/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

blood balance market data

Units sold / yr
3K–4K
avg 100–250/product
Revenue / yr
$108K–$144K
units × avg price
Conversion rate
4.9%
Avg BSR
#7,102
Page quality
0%
Prime
67%
Sponsored
94%
Out of stock
7.3%
Avg brand age
68 months
Avg seller age
156 days

Competition & brand share

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

Brands

11 rising

Sellers

17

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

12%

  • SPRESSO29%
  • Sports Research22%
  • SuppNature12%
  • GREENVIFY11%
  • Indelo8%
  • LIVORKA7%
  • Open — no brand owns it (5 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — -34.2% search growth over the last 90 days.
8K6KSpike '24Black Friday '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26Prime Day '26DecMarJunAugNovMarMay

Peak months: Apr, May, Jun · busiest ÷ quietest = 6.5×

Top blood balance search terms

  • blood balance capsules31K/yr
  • blood balance44K/yr
  • sports research iron8K/yr
  • blood balance supplement7K/yr
  • sports research iron supplement3K/yr
  • blood balance support3K/yr
All search terms

Top blood balance 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%$8K10%$17K15%$25K20%$34K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

What buyers say about blood balance

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

What buyers love

Quality-Overall13%

“It's a much better quality than the tablets I've taken in the past”

Iron13%

“Excellent Iron Product”

Vitamin13%

“I really enjoyed this multi vitamin”

Acid Regulator/Stomach Ache Relief6%

“still gentle on your stomach”

Ease Of Chewing/Swallowing5%

“Easy to swallow”

Regulates Digestion4%

“Easy on the stomach”

Energy Level3%

“gives me an energy boost”

Nutritional Content3%

“Very beneficial for my health”

Ingredients-Overall2%

“Good ingredients”

Value For Money2%

“very affordable”

What buyers complain about

Smell16%

“Very weird smell”

Iron10%

“My Iron was low”

Vitamin6%

“Nasty vitamins”

Taste-Overall5%

“No strong taste”

Acid Regulator/Stomach Ache Relief3%

“Severe discomfort, bloating and constipation”

Regulates Digestion3%

“my review of this product is that those with very sensitive stomachs should use caution”

Dosage3%

“had to decrease to 1 pill”

Value For Money2%

“way too expensive”

Quality-Overall2%

“Something about the shells aren't right”

Color Fading/Discoloration2%

“capsules were all discolored”

Top return reasons

Iron33%
Certifications13%
Ease Of Use10%
Ingredients-Overall7%
Strength7%
Smell7%
Weight Light7%
Value For Money7%
Dosage3%
Product Condition3%

Common questions

Is blood balance profitable to sell on Amazon United States?
The niche generates $169K/yr across 18 tracked products. 3 of 10 products launched in the last 360 days are still selling. 90-day search growth is -34.2%. Flapen's verdict: Worth a look (51/100).
How competitive is the blood balance niche?
11 brands and 17 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in blood balance?
Top complaints mined from reviews: Smell, Iron, Vitamin. The return rate is 0.0%.
When does demand for blood balance peak?
Demand peaks in Apr–May–Jun; the busiest month runs 6.5× the quietest.
What does it cost to enter the blood balance niche?
Listings span $15.64–$69.57; the average listing price is $36.06 (sweet spot $15–$100). The average incumbent carries 524 reviews — the moat a new listing must climb.