Is liquid immune support profitable to sell on Amazon United States?

The niche generates $105K/yr across 23 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -41.1%. Flapen's verdict: Skip it (45/100).

How competitive is the liquid immune support niche?

11 brands and 576 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 91% of demand.

What do buyers complain about in liquid immune support?

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

When does demand for liquid immune support peak?

Demand peaks in Jan–Feb–Sep–Oct–Nov–Dec; the busiest month runs 3.6× the quietest.

What does it cost to enter the liquid immune support niche?

Listings span $9.15–$37.73; the average listing price is $18.18 (sweet spot $15–$100). The average incumbent carries 5,118 reviews — the moat a new listing must climb.

Liquid Immune Support

Skip it

Soft demand (-41.1% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible13.0%

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

Avg price

Great$18.18

avg listing price — sweet spot $15–$100

Price range

Great$9.15–$37.73

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

Competition

Okay58%

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

Market size

Okay$105K

$105K/yr · 44K searches

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad5,117.74

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad91%

top-5 brand share — brand-locked demand

Growth

Bad-41.1%

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

Is liquid immune support profitable on Amazon?

According to Flapen's Amazon United States niche tracking, liquid immune support is a $105K/yr Amazon United States market (44K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jan–Feb–Sep–Oct–Nov–Dec. Verdict: Skip it — 45/100.

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

liquid immune support market size & sales

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

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: $73K–$91K; units × avg price
Conversion rate: 13.0%
Avg BSR: #699
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 5.0%
Avg brand age: 70 months
Avg seller age: 156 days

Competition: brands, sellers & click share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

576

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

58%

Top 20: 97%

Open market

Source Naturals73%
Stamiron6%
Herb Pharm6%
MARYRUTH'S4%
Total Nutra2%
Tenmido2%
Open — no brand owns it (5 brands, 7%)

liquid immune support demand & seasonality

Weekly Amazon search volume, last 81 weeks — -41.1% search growth over the last 90 days.

Peak months: Jan, Feb, Sep, Oct, Nov, Dec · busiest ÷ quietest = 3.6×

Open Trend

Top liquid immune support search terms shoppers use

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

wellness herbal resistance liquid9K/yr -41.9%11.4% conv.
wellness formula liquid8K/yr -44.3%10.4% conv.
immunity drops5K/yr -42.8%6.2% conv.
herbal resistance liquid4K/yr -33.8%9.7% conv.
liquid immune support4K/yr -38.3%5.1% conv.
immune drops3K/yr -20.9%4.9% conv.
wellness drops4K/yr -40.3%5.7% conv.
immune tincture4K/yr -52.1%1.7% conv.
immune support drops3K/yr -42.7%6.0% conv.

All search terms

Top liquid immune support 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 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Source Naturals Wellness Herbal Resistance Liquid 2 Fluid oz

Source Naturals$10.964.7★1,604 rev

Source Naturals Wellness Herbal Resistance Liquid 2 Fluid oz

Source Naturals$14.714.6★466 rev

Source Naturals Wellness Elderberry Liquid Extract 500 mg - 4 Fluid oz

Source Naturals$14.234.4★373 rev

Source Naturals Wellness Herbal Resistance Liquid 4 Fluid oz

Source Naturals$12.684.7★1,604 rev

Zinc Quercetin Vitamin C D3 Liquid Immune Support with Vitamin A K2 Echinacea Chlorophyll and Elderberry - 9in1 Immune Defense Drops Complex for Immunity Health Respiratory Health - 60 Servings

Stamiron$18.414.4★2,044 rev

Newest

by launch date

21-in-1 Lymphatic Drainage Drops for Liposomal Immune & Lymph System Support Supplement for Women & Men with Echinacea Dandelion Burdock Bromelain Calendula Turmeric & More 2 FL OZ

VivoNu$10.461,231 rev

9mo ago

Tenmido 13-in-1 Immune Support Supplement Liquid Drops with Astragalus Elderberry Quercetin Echinacea Chlorophyll Turmeric Ginger Rhodiola Licorice and More - 30ml 1 Fl Oz

Tenmido$10.065 rev

1y ago

JoySpring Kids Immune Support Drops Elderberry 2 fl oz 60 Count

JoySpring$28.92291 rev

4y ago

Zinc Quercetin Vitamin C D3 Liquid Immune Support with Vitamin A K2 Echinacea Chlorophyll and Elderberry - 9in1 Immune Defense Drops Complex for Immunity Health Respiratory Health - 60 Servings

Stamiron$18.412,044 rev

4y ago

Total Immune 6-in-1 Liquid Multivitamin Supplement | 100% Daily Zinc Vitamin D3 Vitamin C Immunity Drops Vitamin Liquid | Elderberry Echinacea Ginger Support for Adults & Kids | 4 oz Passion Fruit

Total Nutra$21.701,982 rev

5y ago

What reviews say buyers love and hate about liquid immune support

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

What buyers love

Quality-Overall16%

“No complaints”

Taste-Overall15%

“Good taste”

Cold Relief11%

“that it can actually boost me enough to kick the cold”

Immunity Booster10%

“Great immune system supplement”

Vitamin5%

“Great supplement”

Efficiency5%

“Effective”

Ease Of Use2%

“This is easy to use”

Value For Money2%

“it's worth it”

Nutritional Content2%

“Great supplement”

Smell2%

“great smell amazing effectiveness pain relief not sure yet energy level working on it over all just like OJ”

What buyers complain about

Taste-Overall16%

“Has no taste”

Allergies8%

“rashes on my skin”

Value For Money5%

“Over priced”

Functionality-Overall4%

“This product does not help”

Side Effects4%

“It burned my throat all the way up AND my nose”

Dosage4%

“Maybe the dosage is low”

Acid Regulator/Stomach Ache Relief4%

“I don't use the recommended dose since every time I do I get stomach aches and bad hemmroids”

Fever Relief3%

“they get sick every week”

Advertised Vs Actual Product3%

“I realized those claims dont translate into modern evidence”

Sleep Quality2%

“Gave me the worst insomnia ever”

Top return reasons

Advertised Vs Actual Product29%

Functionality-Overall29%

Leak-Proof14%

Color14%

Blood Sugar Level14%

Common liquid immune support questions

Is liquid immune support profitable to sell on Amazon United States?: The niche generates $105K/yr across 23 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -41.1%. Flapen's verdict: Skip it (45/100).
How competitive is the liquid immune support niche?: 11 brands and 576 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in liquid immune support?: Top complaints mined from reviews: Taste-Overall, Allergies, Value For Money. The return rate is 0.0%.
When does demand for liquid immune support peak?: Demand peaks in Jan–Feb–Sep–Oct–Nov–Dec; the busiest month runs 3.6× the quietest.
What does it cost to enter the liquid immune support niche?: Listings span $9.15–$37.73; the average listing price is $18.18 (sweet spot $15–$100). The average incumbent carries 5,118 reviews — the moat a new listing must climb.