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

The niche generates $2.9M/yr across 40 tracked products. 5 of 7 products launched in the last 360 days are still selling. 90-day search growth is -30.3%. Flapen's verdict: Worth a look (66/100).

How competitive is the immune support supplement niche?

28 brands and 725 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 46% of demand.

What do buyers complain about in immune support supplement?

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

When does demand for immune support supplement peak?

Demand peaks in Jan–Aug; the busiest month runs 2.6× the quietest.

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

Listings span $8.52–$62.40; the average listing price is $20.91 (sweet spot $15–$100). The average incumbent carries 12,615 reviews — the moat a new listing must climb.

Immune Support Supplement

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

Market size

Incredible$2.9M

$2.9M/yr · 1.7M searches

Avg price

Great$20.91

avg listing price — sweet spot $15–$100

Brand share

Great46%

top-5 brand share — no brand owns this niche

Price range

Great$8.52–$62.40

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

Conversion

Great8.2%

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

Competition

Good42%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad12,615.45

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-30.3%

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

Signals No Dominant Brand

Is immune support supplement profitable on Amazon?

According to Flapen's Amazon United States niche tracking, immune support supplement is a $2.9M/yr Amazon United States market (1.7M searches/yr). The top 5 brands hold 46% of demand. Demand peaks in Jan–Aug. Verdict: Worth a look — 66/100.

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

immune support supplement market size & sales

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

Units sold / yr: 150K–200K; avg 3,000–4,000/product
Revenue / yr: $3.1M–$4.2M; units × avg price
Conversion rate: 8.2%
Avg BSR: #212
Page quality: 0%
Prime: 100%
Sponsored: 95%
Out of stock: 0.6%
Avg brand age: 84 months
Avg seller age: 139 days

Competition: brands, sellers & click share

The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.

Brands

28 rising

Sellers

725

Top-5 brand share

46%

Top 20: 93%

Top-5 click share

42%

Top 20: 81%

Open market

49%

Nature's Bounty17%
NEW AGE9%
IMMUNETI8%
Beekeeper's Naturals7%
Nature's Way6%
Emergen-C5%

immune support supplement demand & seasonality

Weekly Amazon search volume, last 104 weeks — -30.3% search growth over the last 90 days.

Peak months: Jan, Aug · busiest ÷ quietest = 2.6×

Open Trend

Top immune support supplement search terms shoppers use

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

immune support supplement567K/yr -36.4%5.6% conv.
immune support362K/yr -33.3%5.1% conv.
immunity132K/yr -28.8%4.2% conv.
immune boosters for adults113K/yr -34.3%5.3% conv.
immunity supplement87K/yr -30.1%4.7% conv.
immune72K/yr -19.3%3.4% conv.
immunity boost49K/yr -34.0%4.1% conv.
immune boost43K/yr -20.2%2.9% conv.
immunity support37K/yr -21.5%4.1% conv.
immune system booster26K/yr -0.5%3.2% conv.

All search terms

Top immune support supplement 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

Natures Bounty Immune 24 Hour + The only Vitamin C with 24 Hour Immune Support from Ester-C 1000 mg Vitamin C D & Zinc Gluten Free Rapid Release Softgels 2 Softgels per Day 50 Count

Nature's Bounty$8.524.7★5,547 rev

NEW AGE 8 in 1 Immune Support Booster Supplement with Echinacea Vitamin C and Zinc 50mg Vitamin D 5000 IU Turmeric Curcumin & Ginger B6 Elderberry 120 Count (Pack of 2)

NEW AGE$32.364.6★7,210 rev

Immuneti Advanced Immune Support Doctor Formulated 6-in-1 Daily Immunity Supplement Made in USA With Vitamin C D3 Zinc Elderberry Garlic & Echinacea - Vital Nutrients & Antioxidants (1)

IMMUNETI$14.744.6★15,335 rev

Natures Way Sambucus Elderberry Gummies for Immune Support* Ages 4+ 60 ct

Nature's Way$12.784.8★114,700 rev

Propolis Throat Spray by Beekeepers Naturals - 95% Bee Propolis Extract Natural Immune Support & Sore Throat Relief - Antioxidants Keto Paleo Gluten-Free (1.0 oz)(Pack of 1)

Beekeeper's Naturals$13.684.6★26,674 rev

Newest

by launch date

Natures Bounty Immune 24 Hour Immune Support Softgels 1000mg Vitamin C 120 Ct

Nature's Bounty$35.2983 rev

5mo ago

ILIVA by INDICAID 9-in-1 Immune Support Supplement: Boost Respiratory Immunity with Clean Recipe of 9 Ingredients. Made in US by NSF Certifed Manufacturer. 60 Tablets. Feel the Difference in 30 Days

ILIVA$17.2819 rev

8mo ago

StrongVit Immune Support Supplement 12 in 1 Complex with Vitamin C D3 Zinc Echinacea Elderberry Ginger Turmeric. Immune Defend for Men & Women Non-GMO Gluten-Free Vegan USA

StrongVit$13.39156 rev

8mo ago

Elderberry Immune Support Supplement 8-in-1 Formula with Echinacea Vitamin C & Zinc Vitamin D 5000 IU Turmeric Ginger Ashwagandha 60 Capsules

VITBOOST$12.721,695 rev

1y ago

Emergen-C Immune Plus Crystals On-the-Go Immune Support Supplement with Vitamin C Vitamin D B Vitamins Zinc and Manganese Berry Lemonade Back to School Essentials - 28 Stick Packs

Emergen-C$15.331,694 rev

2y ago

What reviews say buyers love and hate about immune support supplement

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

What buyers love

Quality-Overall17%

“the overall quality feels solid”

Taste-Overall10%

“No nasty taste”

Immunity Booster6%

“Boosted my immune system”

Efficiency5%

“It does work”

Vitamin5%

“Amazing vitamin”

Advertised Vs Actual Product4%

“Same as picture”

Cold Relief4%

“Helps with colds”

Regulates Digestion3%

“I feel like they do help with bowel movements”

Ease Of Chewing/Swallowing3%

“Easy swallowing”

Ease Of Use3%

“It is super easy to make”

What buyers complain about

Taste-Overall12%

“Gross taste”

Value For Money8%

“So expensive”

Functionality-Overall8%

“No results”

Smell6%

“Strong chemical smell”

Side Effects6%

“BAD SIDE EFFECTS”

Size-Overall6%

“Much smaller”

Advertised Vs Actual Product5%

“False advertisement”

Dosage5%

“Dose too high”

Acid Regulator/Stomach Ache Relief4%

“Hard on your stomach”

Allergies3%

“rashes on my skin”

Top return reasons

Value For Money14%

Functionality-Overall14%

Advertised Vs Actual Product9%

Taste-Overall9%

Acid Regulator/Stomach Ache Relief8%

Size-Overall7%

Vitamin4%

Joint Pain4%

Dosage4%

Smell3%

Common immune support supplement questions

Is immune support supplement profitable to sell on Amazon United States?: The niche generates $2.9M/yr across 40 tracked products. 5 of 7 products launched in the last 360 days are still selling. 90-day search growth is -30.3%. Flapen's verdict: Worth a look (66/100).
How competitive is the immune support supplement niche?: 28 brands and 725 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 46% of demand.
What do buyers complain about in immune support supplement?: Top complaints mined from reviews: Taste-Overall, Value For Money, Functionality-Overall. The return rate is 0.0%.
When does demand for immune support supplement peak?: Demand peaks in Jan–Aug; the busiest month runs 2.6× the quietest.
What does it cost to enter the immune support supplement niche?: Listings span $8.52–$62.40; the average listing price is $20.91 (sweet spot $15–$100). The average incumbent carries 12,615 reviews — the moat a new listing must climb.