Is ph balance pills profitable to sell on Amazon United States?

The niche generates $178K/yr across 57 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -10.9%. Flapen's verdict: Worth a look (57/100).

How competitive is the ph balance pills niche?

31 brands and 126 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 48% of demand.

What do buyers complain about in ph balance pills?

Top complaints mined from reviews: Functionality-Overall, Smell, Allergies. The return rate is 0.1%.

When does demand for ph balance pills peak?

Demand peaks in Jul–Aug–Sep–Oct–Nov–Dec; the busiest month runs 2.8× the quietest.

What does it cost to enter the ph balance pills niche?

Listings span $2.97–$50.78; the average listing price is $16.72 (sweet spot $15–$100). The average incumbent carries 10,665 reviews — the moat a new listing must climb.

ph balance pills

Worth a look

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Competition

Great27%

top-5 click share — an open shelf

Brand share

Great48%

top-5 brand share — no brand owns this niche

Avg price

Great$16.72

avg listing price — sweet spot $15–$100

Price range

Great$2.97–$50.78

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$178K

$178K/yr · 365K searches

Conversion

Okay2.9%

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

Review moat

Bad10,664.84

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-10.9%

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

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, ph balance pills is a $178K/yr Amazon United States market (365K searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Jul–Aug–Sep–Oct–Nov–Dec. Verdict: Worth a look — 57/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

ph balance pills market data

Units sold / yr: 13K–15K; avg 100–250/product
Revenue / yr: $209K–$251K; units × avg price
Conversion rate: 2.9%
Avg BSR: #81
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 0.0%
Avg brand age: 55 months
Avg seller age: 146 days

Competition & brand share

Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.

Brands

31 flat

Sellers

126

Top-5 brand share

48%

Top 20: 92%

Top-5 click share

27%

Top 20: 66%

Open market

47%

O Positiv18%
Vagisil10%
vH essentials8%
Monistat6%
Her Fantasy Box6%
Medicine Mama's Apothecary5%

Demand & seasonality

Weekly Amazon search volume, last 74 weeks — -10.9% search growth over the last 90 days.

Peak months: Jul, Aug, Sep, Oct, Nov, Dec · busiest ÷ quietest = 2.8×

Open Trend

Top ph balance pills search terms

vaginal138K/yr -8.5%2.6% conv.
vaginitis treatment for women36K/yr -7.7%6.5% conv.
vagina care26K/yr +2.7%1.0% conv.
vaginal products27K/yr -21.3%2.4% conv.
viginal odor treatment18K/yr +3.0%4.1% conv.
cuidado intimo para la mujer17K/yr -5.8%1.1% conv.
vaginal odor control10K/yr +3.8%2.6% conv.
vaginal detox12K/yr -18.9%1.2% conv.
mi and my feminine products12K/yr -32.1%0.6% conv.
vaginal odor eliminator10K/yr -13.9%0.9% conv.

All search terms

Top ph balance pills 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

O Positiv URO Vaginal Probiotics for Women pH Balance with Prebiotics & Lactobacillus Vaginal Health Supplement Support Healthy Vaginal Odor & Flora 60 Count (Pack of 1) 1 Month Supply

O Positiv$28.284.6★36,544 rev

vH essentials Ph Balanced Daily Feminine Wash Tea Tree Oil & Prebiotic 6 Fl Oz (Pack Of 1) 54306 Clear

vH essentials$6.914.6★32,552 rev

O Positiv URO Boric Acid Vaginal Suppository with Lactic Acid and Aloe for Fast Relief and Vaginal Odor Control Vegan Free from Parabens Dyes and Fragrances 12 Count (Pack of 1)

O Positiv$21.024.7★4,579 rev

VMAGIC by Medicine Mama Organic Vulva Balm Intimate Skin Care Menopause Support Relieves Feminine Dryness Itching & Irritation Hormone Free Vaginal Moisturizer for Women 2 oz

Medicine Mama's Apothecary$29.134.4★15,391 rev

Vagisil Feminine Wash for Intimate Area Hygiene Odor Block Gynecologist Tested Hypoallergenic 12 oz (Pack of 1)

Vagisil$5.444.7★28,393 rev

Newest

by launch date

O Positiv URO Vaginal Moisture & Mood Formulated to Support Vaginal Moisture Mood & Relaxation with KSM-66 Ashwagandha Ginkgo Biloba Mucuna pruriens and GABA 30 Servings

O Positiv$28.453,813 rev

7mo ago

O Positiv URO pH Balanced Probiotic Wash Odor Control pH Balance Dryness & Irritation Support for Intimate Areas Probiotics & Lactic Acid 6.75 oz (Pack of 1)

O Positiv$16.011,865 rev

12mo ago

O Positiv URO Boric Acid Vaginal Suppository with Lactic Acid and Aloe for Fast Relief and Vaginal Odor Control Vegan Free from Parabens Dyes and Fragrances 12 Count (Pack of 1)

O Positiv$21.024,579 rev

1y ago

3 Pack Yoni Oil Feminine Oil for Women pH Balance - Feminine Deodorant with Pineapple Peach Strawberry Essential Oil 1 fl oz/pc

MENOMINO$9.82358 rev

2y ago

Summers Eve Ultimate Odor Protection Daily Feminine Wash pH-Balanced Formula Body Wash for Women with Boric Acid Helps Control Vaginal Odor 15 Fl Oz

Summer's Eve$4.8719,592 rev

2y ago

What buyers say about ph balance pills

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

What buyers love

Quality-Overall13%

“Good, solid product”

Smell10%

“Fresh Scent”

Efficiency9%

“Works well and effectively”

Advertised Vs Actual Product6%

“As Advertised”

Taste-Overall5%

“No harsh taste”

Value For Money5%

“Good value for the money”

Ease Of Use4%

“Easy to Take”

Moist/Dry3%

“its moisturizing”

Allergies3%

“No irritation”

Soft Feel2%

“Gentle on skin”

What buyers complain about

Functionality-Overall12%

“Did Not Work”

Smell12%

“HORRIBLE SMELL”

Allergies8%

“Allergic Reaction”

Value For Money7%

“Expensive”

Side Effects5%

“Bad Side Effects”

Pain Relief-Overall3%

“It hurts”

Dosage2%

“This made me incredibly sick after just a few doses”

Regulates Digestion2%

“my stomach felt angry”

Size-Overall2%

“Very small container”

Acid Regulator/Stomach Ache Relief2%

“Caused intense bloating”

Top return reasons

Leak-Proof18%

Smell15%

Functionality-Overall13%

Advertised Vs Actual Product11%

Product Condition4%

Defective Material/Parts4%

Value For Money3%

Size-Overall3%

Ingredients-Overall3%

Moist/Dry2%

Common questions

Is ph balance pills profitable to sell on Amazon United States?: The niche generates $178K/yr across 57 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -10.9%. Flapen's verdict: Worth a look (57/100).
How competitive is the ph balance pills niche?: 31 brands and 126 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 48% of demand.
What do buyers complain about in ph balance pills?: Top complaints mined from reviews: Functionality-Overall, Smell, Allergies. The return rate is 0.1%.
When does demand for ph balance pills peak?: Demand peaks in Jul–Aug–Sep–Oct–Nov–Dec; the busiest month runs 2.8× the quietest.
What does it cost to enter the ph balance pills niche?: Listings span $2.97–$50.78; the average listing price is $16.72 (sweet spot $15–$100). The average incumbent carries 10,665 reviews — the moat a new listing must climb.