Is liquid vitamin c profitable to sell on Amazon United States?

The niche generates $698K/yr across 24 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -18.7%. Flapen's verdict: Worth a look (57/100).

How competitive is the liquid vitamin c niche?

17 brands and 583 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 75% of demand.

What do buyers complain about in liquid vitamin c?

Top complaints mined from reviews: Taste-Overall, Flavor, Value For Money. The return rate is 0.0%.

When does demand for liquid vitamin c peak?

Demand peaks in Jan–Nov; the busiest month runs 1.6× the quietest.

What does it cost to enter the liquid vitamin c niche?

Listings span $9.08–$40.43; the average listing price is $21.92 (sweet spot $15–$100). The average incumbent carries 2,364 reviews — the moat a new listing must climb.

Liquid Vitamin C

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

Great$21.92

avg listing price — sweet spot $15–$100

Price range

Great$9.08–$40.43

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

Conversion

Great7.7%

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

Market size

Good$698K

$698K/yr · 415K searches

Competition

Good52%

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

Brand share

Okay75%

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

Review moat

Okay2,364.38

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-18.7%

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

Is liquid vitamin c profitable on Amazon?

According to Flapen's Amazon United States niche tracking, liquid vitamin c is a $698K/yr Amazon United States market (415K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Jan–Nov. Verdict: Worth a look — 57/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

liquid vitamin c market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 40K–50K; avg 1,500–2,000/product
Revenue / yr: $877K–$1.1M; units × avg price
Conversion rate: 7.7%
Avg BSR: #271
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 2.9%
Avg brand age: 83 months
Avg seller age: 139 days

Competition: brands, sellers & click share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

583

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

52%

Top 20: 94%

Open market

21%

MARYRUTH'S53%
Vitablosom8%
Nature's Answer5%
Vemluta5%
Dr. Mercola4%
Dynamic Health3%

liquid vitamin c demand & seasonality

Weekly Amazon search volume, last 104 weeks — -18.7% search growth over the last 90 days.

Peak months: Jan, Nov · busiest ÷ quietest = 1.6×

Open Trend

Top liquid vitamin c search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

liquid vitamin c107K/yr -16.2%6.0% conv.
mary ruth vitamin c108K/yr -33.8%15.2% conv.
vitamin c liquid59K/yr -10.8%4.9% conv.
liposomal vitamin c liquid34K/yr -21.0%3.8% conv.
vitamin c mary ruth16K/yr +2.2%7.6% conv.
vitamin c liquid drops10K/yr -14.3%7.0% conv.
mary ruths vitamin c15K/yr -24.4%14.4% conv.
liquid vitamin c for adults9K/yr -23.8%7.1% conv.
liquid vitamin c supplement5K/yr +89.6%1.2% conv.
liquid liposomal vitamin c9K/yr -33.1%6.2% conv.

All search terms

Top liquid vitamin c products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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

MARYRUTH'S$20.884.7★3,321 rev

MaryRuths Megadose Liquid Vitamin C 500mg Liposomal Vegan 30 Servings

MARYRUTH'S$22.184.6★3,021 rev

Vitablosom Liposomal Vitamin C 2000mg Liquid for Adults High Absorption VIT C Maximize Vitamin C Immune System & Antioxidant Support 60ML (2 Bottle)

Vitablosom$34.624.6★2,625 rev

MARYRUTH'S$11.814.8★4,726 rev

Natures Answer Liquid Vitamin C 1000mg 8-Fluid Ounces | Natural Immune Booster | Promotes Healthy Skin & Joints | with Rose Hips & Bio-Flavonoids

Nature's Answer$12.704.4★344 rev

Newest

by launch date

2 Packs Liquid Vitamin C Drops 2000mg 11-in-1 Liposomal Vitamin C Complex

Aouewnk$29.3736 rev

5mo ago

Liposomal Vitamin C 1000mg Drops High Absorption Liquid Vitamin C Formula

Scibalia$20.2180 rev

7mo ago

Vemluta 2 Packs Liposomal Vitamin C 2000mg Liquid Drop High Absorption VC Complex Rose Hips with Echinacea Citrus Bioflavonoids Zinc Vitamin D3 for Immune System & Antioxidant 4 FL Oz

Vemluta$28.64183 rev

11mo ago

Organic Vitamin C Liquid - 250 mg | Whole Food Vitamin C Supplement from Fruit Plus Absorption Cofactors Rutin & Citrus Bioflavonoids - Immune & Antioxidant Support Total Health (96 Servings)

Triquetra Health$23.70241 rev

1y ago

Why Not Natural Organic Liquid Vitamin C Drops Supplement

Why Not Natural$18.89613 rev

2y ago

What reviews say buyers love and hate about liquid vitamin c

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

What buyers love

Taste-Overall20%

“Great taste with great results”

Vitamin15%

“Great vitamin”

Quality-Overall11%

“The quality is consistent”

Immunity Booster7%

“Great immune support”

Ease Of Use5%

“Easy to use”

Flavor5%

“I am sure the product is great, just sharing so folks understand this is a strong, dense flavor”

Cold Relief4%

“It helps my baby with the cold”

Value For Money3%

“Great price”

Absorbency2%

“Best absorption”

Ease Of Chewing/Swallowing2%

“are easy to chew”

What buyers complain about

Taste-Overall29%

“Didnt like the taste”

Flavor6%

“The flavor is super gross”

Value For Money4%

“Too Expensive”

Vitamin3%

“Please do not buy if youre sensitive to supplements”

Leak-Proof2%

“its leaking everywhere”

Sweetness2%

“it was way too sweet”

Size-Overall2%

“doesnt fit tight now”

Regulates Digestion2%

“it made my GERD worst”

Quality-Overall2%

“let alone a bad review”

Dosage2%

“you so though it quickly- you need to use a lot of liquid to get the dosage”

Top return reasons

Taste-Overall29%

Vegan/Organic14%

Advertised Vs Actual Product14%

Flavor14%

Iron14%

Heating Element7%

Nutritional Content7%

Common liquid vitamin c questions

Is liquid vitamin c profitable to sell on Amazon United States?: The niche generates $698K/yr across 24 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -18.7%. Flapen's verdict: Worth a look (57/100).
How competitive is the liquid vitamin c niche?: 17 brands and 583 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 75% of demand.
What do buyers complain about in liquid vitamin c?: Top complaints mined from reviews: Taste-Overall, Flavor, Value For Money. The return rate is 0.0%.
When does demand for liquid vitamin c peak?: Demand peaks in Jan–Nov; the busiest month runs 1.6× the quietest.
What does it cost to enter the liquid vitamin c niche?: Listings span $9.08–$40.43; the average listing price is $21.92 (sweet spot $15–$100). The average incumbent carries 2,364 reviews — the moat a new listing must climb.