Is zinc bisglycinate profitable to sell on Amazon United States?

The niche generates $268K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +3.3%. Flapen's verdict: Skip it (48/100).

How competitive is the zinc bisglycinate niche?

11 brands and 30 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in zinc bisglycinate?

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

When does demand for zinc bisglycinate peak?

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

What does it cost to enter the zinc bisglycinate niche?

Listings span $10.03–$40.20; the average listing price is $17.34 (sweet spot $15–$100). The average incumbent carries 4,823 reviews — the moat a new listing must climb.

zinc bisglycinate

Skip it

Strong incumbent ratings (4.7★) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great10.5%

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

Price range

Great$10.03–$40.20

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

Avg price

Great$17.34

avg listing price — sweet spot $15–$100

Market size

Okay$268K

$268K/yr · 146K searches

Brand share

Okay83%

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

Growth

Okay+3.3%

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

Review moat

Bad4,822.85

avg incumbent reviews — the moat a new listing must climb

Competition

Bad76%

top-5 click share — a locked-up shelf

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, zinc bisglycinate is a $268K/yr Amazon United States market (146K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Apr. Verdict: Skip it — 48/100.

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

zinc bisglycinate market data

Units sold / yr: 15K–20K; avg 1,000–1,250/product
Revenue / yr: $260K–$347K; units × avg price
Conversion rate: 10.5%
Avg BSR: #82
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 0.0%
Avg brand age: 85 months
Avg seller age: 162 days

Competition & brand share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 falling

Sellers

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

11%

THORNE39%
Nutricost22%
Doctor's BEST9%
Pure Encapsulations7%
Pure Micronutrients6%
NOW Foods5%
Open — no brand owns it (5 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 100 weeks — +3.3% search growth over the last 90 days.

Peak months: Apr · busiest ÷ quietest = 1.7×

Open Trend

Top zinc bisglycinate search terms

zinc bisglycinate118K/yr +12.9%11.6% conv.
bisglicinato de zinc9K/yr +0.5%2.9% conv.
zinc bisglycinate chelate10K/yr +48.9%2.9% conv.
zinc bisglycinate 50mg6K/yr -31.2%12.1% conv.
best zinc bisglycinate4K/yr -98.5%7.0% conv.

All search terms

Top zinc bisglycinate 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 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

THORNE - Zinc Bisglycinate 15 mg - Highly Absorbable Zinc Supplement - Supports Immune System Eye Skin & Reproductive Health* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules

THORNE$14.644.8★884 rev

Nutricost Zinc Bisglycinate Supplement (50mg) 120 Vegan Capsules GMO-Free

Nutricost$11.784.7★126 rev

THORNE - Zinc Bisglycinate 30 mg - Highly Absorbable Zinc Supplement - Supports Immune System Eye Skin & Reproductive Health* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules

THORNE$19.534.7★992 rev

Doctors Best High Absorption Zinc Bisglycinate 50mg High Potency Supporting Enhancing Immune System Antioxidant VC 90 Count

Doctor's BEST$10.504.7★1,240 rev

Pure Zinc Supplement 25mg TRAACS Bisglycinate Chelate 120 Capsules

Pure Micronutrients$21.174.7★5,201 rev

Newest

by launch date

Bronson Zinc Glycinate 30mg Chelated Superior Absorption 100% Chelated Formula Non-GMO 120 Vegetarian Capsules

Bronson$10.03236 rev

9mo ago

Nutricost Zinc Bisglycinate Supplement (50mg) 120 Vegan Capsules GMO-Free

Nutricost$11.78126 rev

1y ago

Zinc Supplement Microbeadlets for Immune & Acne Support Highly Absorbable

SMNutrition$19.54713 rev

3y ago

Doctors Best High Absorption Zinc Bisglycinate 50mg High Potency Supporting Enhancing Immune System Antioxidant VC 90 Count

Doctor's BEST$10.501,240 rev

5y ago

THORNE - Zinc Bisglycinate 15 mg - Highly Absorbable Zinc Supplement - Supports Immune System Eye Skin & Reproductive Health* - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules

THORNE$14.64884 rev

6y ago

What buyers say about zinc bisglycinate

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

What buyers love

Quality-Overall22%

“The quality seems consistent”

Vitamin12%

“Great vitamin”

Value For Money7%

“Good price”

Ease Of Chewing/Swallowing4%

“Easy-to-take tablets for consistent nutritional support”

Advertised Vs Actual Product4%

“as advertised”

Acid Regulator/Stomach Ache Relief4%

“Does not give stomach aches”

Efficiency4%

“Does the job, no problems”

Ingredients-Overall4%

“Clean & healthier ingredients”

Minerals4%

“Good chelated mineral for great absorption”

Dosage3%

“Overall, Im very happy with the quality, dosage, and quantity”

What buyers complain about

Dosage12%

“Am not sure if the dosage I ordered was too high”

Acid Regulator/Stomach Ache Relief9%

“Upsets stomach”

Functionality-Overall8%

“Doesn't work”

Side Effects8%

“had very bad GI upset”

Size-Overall6%

“Pill is too big”

Quality-Overall4%

“makes me think their manufacturing quality of the pills maybe isn't as high as people say”

Ease Of Use3%

“The capsule cant be opened”

Magnesium2%

“Maybe too many Mgs”

Sleep Quality2%

“Ive never slept better”

Iron2%

“you can become deficient in copper”

Top return reasons

Dosage38%

Contamination13%

Smell13%

Certifications13%

Vitamin13%

Strength13%

Common questions

Is zinc bisglycinate profitable to sell on Amazon United States?: The niche generates $268K/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +3.3%. Flapen's verdict: Skip it (48/100).
How competitive is the zinc bisglycinate niche?: 11 brands and 30 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in zinc bisglycinate?: Top complaints mined from reviews: Dosage, Acid Regulator/Stomach Ache Relief, Functionality-Overall. The return rate is 0.0%.
When does demand for zinc bisglycinate peak?: Demand peaks in Apr; the busiest month runs 1.7× the quietest.
What does it cost to enter the zinc bisglycinate niche?: Listings span $10.03–$40.20; the average listing price is $17.34 (sweet spot $15–$100). The average incumbent carries 4,823 reviews — the moat a new listing must climb.