Is calcium d-glucarate profitable to sell on Amazon United States?

The niche generates $899K/yr across 11 tracked products. 90-day search growth is -6.0%. Flapen's verdict: Worth a look (57/100).

How competitive is the calcium d-glucarate niche?

10 brands and 22 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 79% of demand.

What do buyers complain about in calcium d-glucarate?

Top complaints mined from reviews: Side Effects, Functionality-Overall, Value For Money. The return rate is 0.0%.

When does demand for calcium d-glucarate peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the calcium d-glucarate niche?

Listings span $11.87–$76.83; the average listing price is $30.60 (sweet spot $15–$100). The average incumbent carries 785 reviews — the moat a new listing must climb.

calcium d-glucarate

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

Conversion

Incredible15.6%

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

Avg price

Incredible$30.60

avg listing price — sweet spot $15–$100

Price range

Great$11.87–$76.83

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

Market size

Great$899K

$899K/yr · 188K searches

Review moat

Good785.36

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay79%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-6.0%

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

Competition

Bad73%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, calcium d-glucarate is a $899K/yr Amazon United States market (188K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 57/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

calcium d-glucarate market data

Units sold / yr: 25K–30K; avg 2,000–2,500/product
Revenue / yr: $765K–$918K; units × avg price
Conversion rate: 15.6%
Avg BSR: #460
Page quality: 0%
Prime: 100%
Sponsored: 73%
Out of stock: 0.0%
Avg brand age: 92 months
Avg seller age: 163 days

Competition & brand share

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

15%

Nutricost27%
SMNutrition24%
NOW Foods12%
Pure Encapsulations10%
Life Extension6%
Integrative Therapeutics6%
Open — no brand owns it (4 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 99 weeks — -6.0% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top calcium d-glucarate search terms

calcium d-glucarate109K/yr -12.5%15.6% conv.
calcium d glucarate44K/yr +11.9%12.6% conv.
calcium d glucarate 500mg9K/yr +12.0%14.9% conv.
cdg6K/yr -2.8%6.5% conv.
calcium glucarate6K/yr -3.3%14.5% conv.
calcium-d-glucarate7K/yr -22.6%11.3% conv.
cdg supplement4K/yr +6.2%13.1% conv.
calcium d-glucarate 500mg4K/yr -9.5%19.2% conv.

All search terms

Top calcium d-glucarate 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 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Nutricost Calcium D-Glucarate 500mg 120 Capsules Gluten Free GMO-Free

Nutricost$18.764.7★556 rev

SMNutrition$29.104.6★2,608 rev

NOW Foods Supplements Calcium D-Glucarate 500 mg Detoxification Support* 90 Veg Capsules

NOW Foods$24.654.6★840 rev

Pure Encapsulations Calcium-D-Glucarate | Supplement to Support Cellular Health in the Liver Lungs Breast and Colon* | 60 Capsules

Pure Encapsulations$76.834.7★132 rev

Calcium D-Glucarate with DIM Supplement for Estrogen Detox & Hormone Balance for Women & Men | Detox & Cleanse Hormonal Acne Menopause & CDG for Liver Support | Non-GMO Third-Party Tested | 30ct

SMNutrition$13.664.6★2,608 rev

Newest

by launch date

Calcium D-Glucarate with DIM Supplement for Estrogen Detox & Hormone Balance for Women & Men | Detox & Cleanse Hormonal Acne Menopause & CDG for Liver Support | Non-GMO Third-Party Tested | 30ct

SMNutrition$13.662,608 rev

2y ago

Earth Harmony Calcium D-Glucarate 1200mg - Advanced Detoxification Support & Double The Strength of Calcium D Glucarate 500mg - 120 Capsules (2-Month Supply)

Earth Harmony Naturals$23.75216 rev

2y ago

Nutricost Calcium D-Glucarate 500mg 120 Capsules Gluten Free GMO-Free

Nutricost$18.76556 rev

4y ago

Horbach Calcium D-Glucarate 1000mg | 120 Capsules

Horbäach$18.76604 rev

7y ago

SMNutrition$29.102,608 rev

8y ago

What buyers say about calcium d-glucarate

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

What buyers love

Quality-Overall18%

“My husband & I are on a wellness journey & almost all of our supplements are this brand”

Hormonal Balance14%

“Finally found something that helps my hormones”

Efficiency8%

“Works great for me”

Nutritional Content5%

“I like nutricost”

Detoxification5%

“Detox”

Menstrual Issues5%

“However, my PMS symptoms were milder and I experienced less bloating”

Dosage5%

“I appreciate that this formula provides 500 mg per serving”

Ease Of Chewing/Swallowing5%

“Easy to swallow”

Ingredients-Overall4%

“the one with the additional ingredients is just better”

Side Effects3%

“Ive noticed I had NONE OF THESE SYMPTOMS”

What buyers complain about

Side Effects13%

“it got even worse in my 30s”

Functionality-Overall13%

“nothing worked”

Value For Money10%

“pricey”

Quality-Overall10%

“Garbage”

Acid Regulator/Stomach Ache Relief10%

“Made my stomach bloat and cramp”

Dosage8%

“I have to double the dose”

Energy Level5%

“I had no energy”

Sleep Quality5%

“With this I felt bloated, tired, and incontinence issues were at an all-time high”

Hard Feel5%

“Hard Pass”

Allergies2%

“Noticed more pain, more apathy, more irritability, worsening skin issues etc”

Top return reasons

Calcium67%

Functionality-Overall33%

Common questions

Is calcium d-glucarate profitable to sell on Amazon United States?: The niche generates $899K/yr across 11 tracked products. 90-day search growth is -6.0%. Flapen's verdict: Worth a look (57/100).
How competitive is the calcium d-glucarate niche?: 10 brands and 22 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 79% of demand.
What do buyers complain about in calcium d-glucarate?: Top complaints mined from reviews: Side Effects, Functionality-Overall, Value For Money. The return rate is 0.0%.
When does demand for calcium d-glucarate peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the calcium d-glucarate niche?: Listings span $11.87–$76.83; the average listing price is $30.60 (sweet spot $15–$100). The average incumbent carries 785 reviews — the moat a new listing must climb.