Is potassium citrate profitable to sell on Amazon United States?

The niche generates $1.3M/yr across 21 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +6.2%. Flapen's verdict: Launch it (61/100).

How competitive is the potassium citrate niche?

17 brands and 31 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 66% of demand.

What do buyers complain about in potassium citrate?

Top complaints mined from reviews: Calcium, Dosage, Taste-Overall. The return rate is 0.0%.

When does demand for potassium citrate peak?

Demand is steady year-round — the busiest month runs 1.2× the quietest.

What does it cost to enter the potassium citrate niche?

Listings span $8.54–$31.36; the average listing price is $17.59 (sweet spot $15–$100). The average incumbent carries 4,408 reviews — the moat a new listing must climb.

potassium citrate

Launch it

A $1.3M/yr market growing +6.2% this quarter with returns at 0.0% — clears our launch bar.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great11.2%

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

Market size

Great$1.3M

$1.3M/yr · 666K searches

Avg price

Great$17.59

avg listing price — sweet spot $15–$100

Price range

Good$8.54–$31.36

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

Brand share

Good66%

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

Competition

Good55%

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

Growth

Okay+6.2%

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

Review moat

Bad4,407.52

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, potassium citrate is a $1.3M/yr Amazon United States market (666K searches/yr). The top 5 brands hold 66% of demand. Verdict: Launch it — 61/100.

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

potassium citrate market data

Units sold / yr: 60K–80K; avg 4,000–5,000/product
Revenue / yr: $1.1M–$1.4M; units × avg price
Conversion rate: 11.2%
Avg BSR: #73
Page quality: 0%
Prime: 95%
Sponsored: 81%
Out of stock: 0.0%
Avg brand age: 66 months
Avg seller age: 165 days

Competition & brand share

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

Brands

17 rising

Sellers

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

55%

Top 20: 99%

Open market

28%

NOW Foods26%
BulkSupplements11%
Nutricost11%
NaturalSlim10%
Pure Encapsulations9%
Vykee Nutrition6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +6.2% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.2×

Open Trend

Top potassium citrate search terms

potassium citrate367K/yr +20.5%9.4% conv.
citrato de potasio116K/yr -13.1%4.3% conv.
potasio frank suarez50K/yr -10.3%5.8% conv.
potassium citrate supplement36K/yr -12.7%9.8% conv.
now potassium citrate13K/yr -8.9%22.9% conv.
potasio citrate18K/yr -26.2%5.0% conv.
kadsorb potassium natural slim9K/yr +8.9%12.9% conv.
potassium citrate capsules7K/yr -15.4%11.8% conv.
nutricost potassium6K/yr -8.3%11.1% conv.
now potassium6K/yr -3.1%12.0% conv.

All search terms

Top potassium citrate 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NOW Potassium Citrate 99 mg 180 Capsules

NOW Foods$8.544.7★22,636 rev

NaturalSlim Natural Potassium Citrate Gluconate 99 mg - Kadsorb Supports Electrolyte Balance & Normal pH - Absorbable Potassium Supplements with Essential Minerals - Non GMO 400 Capsules 1 Pack

NaturalSlim$27.294.8★13,698 rev

Nutricost Potassium Citrate 99mg 500 Capsules

Nutricost$19.774.7★14,955 rev

BulkSupplements.com Potassium Citrate Powder - for Hydration Support Mineral Supplement Potassium 99mg - Gluten Free 300mg per Serving 500g (1.1 lbs) (Pack of 1)

BulkSupplements$18.964.6★5,022 rev

Pure Encapsulations Potassium (Citrate) - Essential Electrolyte Supplement to Support Nerve & Muscle Function Adrenals Hormones Heart Health & Energy* - Potassium Citrate Capsule - 180 Capsules

Pure Encapsulations$31.364.7★4,181 rev

Newest

by launch date

Liquid Potassium Citrate Supplement Daily Electrolyte Support 2 Fl Oz

HerbX$21.955 rev

2w ago

Immortal Herbs Potassium Citrate Supplement 1320mg High Absorption Powder 120 Vegan Capsules Non-GMO & Gluten-Free Potassium Supplements for Women and Men

Immortal Herbs$18.8158 rev

6mo ago

STAY ALIVE Potassium Citrate Supplement High Absorption 800mg 120 Capsules 4 Month Supply Non-GMO and Gluten-Free Potassium Supplement for Women and Men

STAYALIVE$18.4961 rev

6mo ago

Potassium Supplement Softgels High Absorption Potassium Citrate 1000mg for Muscle Heart Electrolyte Balance and Normal pH Support* Essential Mineral Non-GMO 2 Month Supply

HZZYPLANT$9.91120 rev

10mo ago

Vykee Nutrition Potassium Citrate Capsules Helps Electrolyte Balance 500 mg

Vykee Nutrition$19.371,346 rev

1y ago

What buyers say about potassium citrate

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

What buyers love

Quality-Overall20%

“EXCELLENT PRODUCT”

Vitamin7%

“Vitamin good quality”

Value For Money7%

“Decent price”

Efficiency6%

“Effective”

Calcium6%

“Use with Calcium”

Ease Of Chewing/Swallowing5%

“No issues with swallowing”

Advertised Vs Actual Product5%

“Works as intended”

Nutritional Content3%

“It has been incredibly helpful for my routine”

Ease Of Use3%

“Good Ease for use”

Minerals3%

“Effective Daily Mineral Support”

What buyers complain about

Calcium9%

“This is sometimes an issue with Potassium Citrate so don't buy it if you might be like me”

Dosage9%

“Please understand the reason for low dosage”

Taste-Overall7%

“Unpleasant aftertaste”

Size-Overall3%

“slightly smaller capsules”

Heart Health3%

“Be careful of the amount to take because too much supplemental potassium at once can make the heart feel wonky”

Quality-Overall3%

“Poor Quality control”

Magnesium3%

“error I felt it was a magnesium deficiency”

Muscle Pain Relief2%

“Did not work for muscle cramps”

Smell2%

“the capsules began smelling like rancid meat”

Blood Pressure2%

“Certain Types Of High Blood Pressure And Fatigue”

Top return reasons

Calcium33%

Certifications33%

Joint Pain17%

Advertised Vs Actual Product17%

Common questions

Is potassium citrate profitable to sell on Amazon United States?: The niche generates $1.3M/yr across 21 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +6.2%. Flapen's verdict: Launch it (61/100).
How competitive is the potassium citrate niche?: 17 brands and 31 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 66% of demand.
What do buyers complain about in potassium citrate?: Top complaints mined from reviews: Calcium, Dosage, Taste-Overall. The return rate is 0.0%.
When does demand for potassium citrate peak?: Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the potassium citrate niche?: Listings span $8.54–$31.36; the average listing price is $17.59 (sweet spot $15–$100). The average incumbent carries 4,408 reviews — the moat a new listing must climb.