Is betaine hcl profitable to sell on Amazon United States?

The niche generates $1.8M/yr across 25 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -11.1%. Flapen's verdict: Worth a look (67/100).

How competitive is the betaine hcl niche?

19 brands and 39 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 59% of demand.

What do buyers complain about in betaine hcl?

Top complaints mined from reviews: Regulates Digestion, Functionality-Overall, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.

When does demand for betaine hcl peak?

Demand peaks in Jun; the busiest month runs 1.7× the quietest.

What does it cost to enter the betaine hcl niche?

Listings span $9.89–$51.39; the average listing price is $25.16 (sweet spot $15–$100). The average incumbent carries 1,602 reviews — the moat a new listing must climb.

betaine hcl

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$25.16

avg listing price — sweet spot $15–$100

Market size

Great$1.8M

$1.8M/yr · 686K searches

Conversion

Great10.2%

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

Price range

Great$9.89–$51.39

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

Brand share

Great59%

top-5 brand share — no brand owns this niche

Competition

Good54%

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

Review moat

Okay1,602

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-11.1%

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

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, betaine hcl is a $1.8M/yr Amazon United States market (686K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Jun. Verdict: Worth a look — 67/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

betaine hcl market data

Units sold / yr: 60K–80K; avg 3,000–4,000/product
Revenue / yr: $1.5M–$2.0M; units × avg price
Conversion rate: 10.2%
Avg BSR: #756
Page quality: 0%
Prime: 100%
Sponsored: 80%
Out of stock: 0.0%
Avg brand age: 90 months
Avg seller age: 153 days

Competition & brand share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

19 rising

Sellers

Top-5 brand share

59%

Top 20: 100%

Top-5 click share

54%

Top 20: 95%

Open market

35%

NOW Foods19%
Nutricost15%
Enzymedica10%
Pure Encapsulations9%
THORNE6%
Dr. Berg Nutritionals6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -11.1% search growth over the last 90 days.

Peak months: Jun · busiest ÷ quietest = 1.7×

Open Trend

Top betaine hcl search terms

betaine hcl220K/yr -18.3%10.3% conv.
betaine hcl with pepsin89K/yr -2.6%11.1% conv.
betaine72K/yr -9.5%4.9% conv.
betaine hydrochloride75K/yr -0.3%7.9% conv.
hcl51K/yr -4.9%7.0% conv.
pepsin22K/yr +27.1%2.6% conv.
hcl betaine with pepsin14K/yr +17.0%10.6% conv.
betaine hydrochloride supplement19K/yr +3.3%8.0% conv.
hcl betaine22K/yr -39.1%9.8% conv.
betaine hydrochloride dr berg10K/yr +47.9%10.1% conv.

All search terms

Top betaine hcl 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

NOW Foods Supplements Betaine HCl 648 mg Vegetarian Formula Digestive Support* 120 Veg Capsules

NOW Foods$12.414.5★5,446 rev

Nutricost Betaine HCl + Pepsin (790mg) 240 Capsules - Vegetarian & GMO Free

Nutricost$16.804.5★3,500 rev

Pure Encapsulations Betaine HCl Pepsin - Digestive Enzymes Supplement for Digestion Aid & Support Stomach Acid & Nutrient Absorption* - 250 Capsules

Pure Encapsulations$51.394.6★1,326 rev

Enzymedica Betaine HCl for Men & Women - Betaine Hydrochloric Acid Supplement Protease Digestive Enzyme Blend Digestive Health Support Occasional Heartburn & Indigestion Support Vegan - 120 Caps

Enzymedica$17.044.6★762 rev

THORNE - Betaine HCL & Pepsin - Digestive Enzyme & Hydrochloric Acid Supplement for Protein Digestion & Occasional Gas or Bloating Relief* - Third-Party Certified - Gluten & Dairy-Free - 225 Capsules

THORNE$46.734.5★1,544 rev

Newest

by launch date

shwdppmy Betaine HCl with Pepsin Digestive Enzymes Supplement 120 Vegan Capsules 790mg Gluten-Free Formula for Digestive Support & Stomach Comfort Plant-Based Non-GMO

shwdppmy$15.3317 rev

6mo ago

Dr. Berg Advanced Digestive Enzymes with Apple Cider Vinegar - Includes Digestive Health Ingredients Like Betaine Hydrochloride (HCI) Ginger Root & Peppermint Leaf - 180 Capsules

Dr. Berg Nutritionals$28.921,969 rev

1y ago

Now Betaine HCl 648mg 240 Veg Capsules - Digestive Enzymes Supplement - Enhanced with Pepsin Protease for Protein Digestion Support

NOW Foods$26.585,446 rev

2y ago

BulkSupplements.com Betaine HCl Capsules - Betaine Hydrochloride Supplement for Digestive Support Betaine HCl 750mg - Gluten Free 1 Capsule per Serving 240 Capsules (Pack of 1)

BulkSupplements$18.41132 rev

3y ago

Horbach Betaine HCl 1200mg | 180 Capsules

Horbäach$9.89676 rev

4y ago

What buyers say about betaine hcl

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

What buyers love

Regulates Digestion20%

“Great digestion aid”

Acid Regulator/Stomach Ache Relief16%

“Helps with acid reflux”

Quality-Overall13%

“Excellent product”

Efficiency7%

“Works great, I have been using this for over six months”

Nutritional Content5%

“This Supplement Had been Very Effective”

Advertised Vs Actual Product4%

“Works as advertised”

Heart Health3%

“Great for heartburn”

Value For Money3%

“Great product and price”

Vitamin2%

“I like these supplements”

Ease Of Chewing/Swallowing2%

“The pills are very easy to take with a glass of water”

What buyers complain about

Regulates Digestion16%

“Made reflux worse”

Functionality-Overall11%

“never worked”

Acid Regulator/Stomach Ache Relief9%

“Upset my stomach badly”

Side Effects6%

“side effects makes no sense”

Heart Health4%

“Did not help my heart burn”

Value For Money4%

“A Costly Mistake”

Nutritional Content4%

“if you feel your not getting the most out of consuming high protein foods”

Dosage3%

“I ended up breaking down the dosage - 1 in the a. m.”

Ingredients-Overall3%

“Contains mold enzyme”

Quality-Overall3%

“No good”

Top return reasons

Functionality-Overall60%

Ingredients-Overall20%

Regulates Digestion10%

Fever Relief10%

Common questions

Is betaine hcl profitable to sell on Amazon United States?: The niche generates $1.8M/yr across 25 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -11.1%. Flapen's verdict: Worth a look (67/100).
How competitive is the betaine hcl niche?: 19 brands and 39 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 59% of demand.
What do buyers complain about in betaine hcl?: Top complaints mined from reviews: Regulates Digestion, Functionality-Overall, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.
When does demand for betaine hcl peak?: Demand peaks in Jun; the busiest month runs 1.7× the quietest.
What does it cost to enter the betaine hcl niche?: Listings span $9.89–$51.39; the average listing price is $25.16 (sweet spot $15–$100). The average incumbent carries 1,602 reviews — the moat a new listing must climb.