Is zinc 100mg profitable to sell on Amazon United States?

The niche generates $235K/yr across 9 tracked products. 90-day search growth is -10.6%. Flapen's verdict: Skip it (38/100).

How competitive is the zinc 100mg niche?

7 brands and 584 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 94% of demand.

What do buyers complain about in zinc 100mg?

Top complaints mined from reviews: Dosage, Ease Of Chewing/Swallowing, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.

When does demand for zinc 100mg peak?

Demand peaks in Jan–Aug; the busiest month runs 1.7× the quietest.

What does it cost to enter the zinc 100mg niche?

Listings span $7.13–$16.39; the average listing price is $11.08 (sweet spot $15–$100). The average incumbent carries 29,866 reviews — the moat a new listing must climb.

zinc 100mg

Skip it

A deep review moat (29,866 avg reviews) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible17.2%

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

Market size

Okay$235K

$235K/yr · 123K searches

Avg price

Okay$11.08

avg listing price — sweet spot $15–$100

Growth

Bad-10.6%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Brand share

Bad94%

top-5 brand share — brand-locked demand

Price range

Bad$7.13–$16.39

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

Competition

Bad85%

top-5 click share — a locked-up shelf

Review moat

Bad29,865.56

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, zinc 100mg is a $235K/yr Amazon United States market (123K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jan–Aug. Verdict: Skip it — 38/100.

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

zinc 100mg market data

Units sold / yr: 13K–15K; avg 1,000–1,250/product
Revenue / yr: $139K–$166K; units × avg price
Conversion rate: 17.2%
Avg BSR: #171
Page quality: 0%
Prime: 89%
Sponsored: 78%
Out of stock: 0.0%
Avg brand age: 99 months
Avg seller age: 162 days

Competition & brand share

The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

584

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

Solgar57%
Horbäach19%
365 by Whole Foods Market10%
BlueBonnet4%
Nutricost4%
Nature's Truth3%
Open — no brand owns it (1 brand, 3%)

Demand & seasonality

Weekly Amazon search volume, last 100 weeks — -10.6% search growth over the last 90 days.

Peak months: Jan, Aug · busiest ÷ quietest = 1.7×

Open Trend

Top zinc 100mg search terms

chelated zinc91K/yr -3.4%12.8% conv.
zinc 100mg12K/yr -9.8%7.2% conv.
chelated zinc supplements8K/yr -46.0%10.8% conv.
zinc chelated8K/yr -22.7%6.7% conv.
chelated zinc 50mg2K/yr +26.8%10.0% conv.
zinc 100mg capsules1K/yr -21.1%8.2% conv.

All search terms

Top zinc 100mg 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 9 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Solgar Chelated Zinc 250 Tablets - Zinc for Healthy Skin - Supports Cell Growth & DNA Formation - Exerts Antioxidant Activity - Supports A Healthy Immune System - Non GMO Vegan - 250 Servings

Solgar$16.394.7★18,460 rev

Horbach Chelated Zinc Supplement 100mg | 250 Tablets

Horbäach$10.024.7★11,530 rev

Solgar Chelated Zinc 100 Tablets - Zinc for Healthy Skin - Supports Cell Growth & DNA Formation - Exerts Antioxidant Activity - Supports A Healthy Immune System - Non GMO Gluten Free - 100 Servings

Solgar$9.024.7★18,460 rev

365 by Whole Foods Market Chelated Zinc 60 CT

365 by Whole Foods Market$7.134.7★1,676 rev

365 by Whole Foods Market Chelated Zinc plus Copper 120 Count

365 by Whole Foods Market$13.164.7★1,676 rev

Newest

by launch date

Natures Bounty Zinc 50mg Immune Support & Antioxidant Supplement Promotes Skin Health 1 Caplet Per Day Gluten Free 250 Vegetarian Caplets

Nature's Bounty$8.54215,458 rev

5y ago

Nutricost Zinc Chelate (50mg) 120 Capsules Gluten-Free & GMO-Free

Nutricost$12.74357 rev

6y ago

Natures Truth Chelated Zinc 50mg | 100 Tablets | Essential Mineral Supplement | from Zinc Gluconate | Vegan Non-GMO & Gluten Free

Nature's Truth$7.92702 rev

6y ago

Horbach Chelated Zinc Supplement 100mg | 250 Tablets

Horbäach$10.0211,530 rev

7y ago

365 by Whole Foods Market Chelated Zinc plus Copper 120 Count

365 by Whole Foods Market$13.161,676 rev

8y ago

What buyers say about zinc 100mg

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

What buyers love

Value For Money20%

“Reasonable price”

Quality-Overall17%

“The quality seems consistent”

Vitamin12%

“Best vitamins out there at a great price”

Advertised Vs Actual Product9%

“Just as advertised”

Ease Of Chewing/Swallowing5%

“Easy to swallow”

Immunity Booster5%

“Great for immunity”

Cold Relief4%

“Helps colds get better”

Iron2%

“Great zinc supplement - highly recommend”

Minerals2%

“Good chelated mineral for great absorption”

Efficiency2%

“Effectiveness: Feels supportive for overall wellness”

What buyers complain about

Dosage18%

“Beware: dosage is too high”

Ease Of Chewing/Swallowing10%

“HURTS TO SWALLOW”

Acid Regulator/Stomach Ache Relief8%

“a stomach ache”

Vitamin6%

“Zinc is one of the hardest vitamins to obtain naturally”

Side Effects6%

“I got horribly sick”

Ease Of Use5%

“Cant use”

Size-Overall4%

“Pill is too big”

Iron4%

“After a couple days I was more depressed than normal which can be a sign of too much zinc”

Nutritional Content3%

“I don't actually have any evidence that these supplements are having any substantial benefits to my health”

Sleep Quality3%

“Makes me drowsy throughout the day”

Top return reasons

Functionality-Overall33%

Dosage28%

Vitamin11%

Joint Pain11%

Taste-Overall11%

Ease Of Chewing/Swallowing6%

Common questions

Is zinc 100mg profitable to sell on Amazon United States?: The niche generates $235K/yr across 9 tracked products. 90-day search growth is -10.6%. Flapen's verdict: Skip it (38/100).
How competitive is the zinc 100mg niche?: 7 brands and 584 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in zinc 100mg?: Top complaints mined from reviews: Dosage, Ease Of Chewing/Swallowing, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.
When does demand for zinc 100mg peak?: Demand peaks in Jan–Aug; the busiest month runs 1.7× the quietest.
What does it cost to enter the zinc 100mg niche?: Listings span $7.13–$16.39; the average listing price is $11.08 (sweet spot $15–$100). The average incumbent carries 29,866 reviews — the moat a new listing must climb.