How competitive is the Vitamin C niche on Amazon Singapore?

15 brands and 21 sellers compete in Vitamin C on Amazon Singapore. The top 5 Vitamin C products take 55% of clicks and its top 5 brands hold 72% of demand.

Vitamin C

a small market ($11K/yr) — Vitamin C doesn't clear our bar today.

Flapen Score

Skip it

Top 24% of 198 Health, Household and Personal Care niches · +5 vs the category median of 37

This niche Category average · 198 niches

Is Vitamin C profitable on Amazon?

According to Flapen's Amazon Singapore niche tracking, Vitamin C is a $11K/yr Amazon Singapore market (20K searches/yr). The top 5 brands hold 72% of demand. Verdict: Skip it — 42/100.

Vitamin C: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved +3.4% over the last 90 days and 3.0% of searches end in a purchase.

$11K

revenue / yr

Units sold / yr2K

Search volume / yr+3.4%20K

Conversion rate3.0%

Avg price$18.15

Who owns the niche?

The top 5 brands hold 72% of demand, so 28% of the market is open.

28%

open market share

Brands · sellers15 · 21

Top-5 product click share55%

Open market28%

Avg brand age112 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.7★ — the gap to enter on.

0/100

page quality · 24 products

Top Vitamin C products & what they sell for

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

Top sellers

by 90-day click share

NOW Supplements Vitamin C-1 000 with Rose Hips Sustained Release Antioxidant Protection 250 Tablets

Price: $22.81
Rating: 4.7/5
Reviews: 19,729
Age: 13y ago

Now Foods C-1000 Sustained Release Tablets 100ct

Price: $13.94
Rating: 4.7/5
Reviews: 19,729
Age: 13y ago

NOW Supplements Vitamin C-1 000 with 100 mg of Bioflavonoids Antioxidant Protection* 250 Veg Capsules

Price: $21.30
Rating: 4.8/5
Reviews: 10,435
Age: 18y ago

Voost Vitamin C Effervescent Vitamin 20 Tabs (20 count)

Price: $13.77
Rating: 5.0/5
Reviews: 1
Age: 7y ago

Vitamin C + Rose Hips by Natures Bounty. Vitamin C is a Leading Vitamin for Immune Support 1000mg 100 Coated Caplets

Price: $15.98
Rating: 4.8/5
Reviews: 47,532
Age: 13y ago

Newest

by launch date

Vita C Immunity Booster Extreme 1000Mg Zinc Vit B6 D3 Selenium Echinacea Effervescent 20 Tablets Vitamin C 1000Mg Effervescent Tablets Vitamin C 1000Mg Vitamin C Effervescent (2)

Price: $11.05
Rating: 5.0/5
Reviews: 1
Age: 1y ago

Voost Vitamin C Blood Orange Effervescent Vitamin Supplement 60 Tabs

Price: $22.82
Rating: 5.0/5
Reviews: 2
Age: 3y ago

WATSONS Vitamin C + Vitamin D3 + Zinc Effervescent Tablets Natural Orange Flavour (For Immune Health) 15s x 3 Tubes

Price: $24.66
Rating: 4.0/5
Reviews: 2
Age: 3y ago

Blackmores Bio C 1000mg Vitamin C Tablets (30s) Ultimate Immunity Fighter

Price: $16.70
Rating: 5.0/5
Reviews: 1
Age: 3y ago

Voost Vitamin C Blood Orange Effervescent Tablets 40 Pack

Price: $26.57
Rating: 4.7/5
Reviews: 92
Age: 4y ago

Competition: brands, sellers & click share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 falling

Sellers

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

55%

Top 20: 94%

Open market

23%

Now Foods43%
Voost10%
Blackmores7%
Nature Made6%
Nature's Bounty6%
Nano Singapore5%

Vitamin C demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume20KCVR3.0%Products24Brands15Top 5 Brands72%OOS Rate7.4%Rating4.7★Reviews7,613Avg BSR#486

Top Vitamin C search terms shoppers use

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

vitamin c18K/yr +4.5%4.4% conv.
vitamin c 1000mg803/yr -14.2%4.9% conv.
vit c605/yr -5.9%7.0% conv.

Common Vitamin C questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Vitamin C 42/100 on Amazon Singapore — Skip it. The niche generates $11K/yr across 24 tracked products. Search demand moved +3.4% over the last 90 days.

Vitamin C sells for $18.15 on average on Amazon Singapore, inside our $15–$100 sweet spot. Listings span $5.68–$36.57. The average incumbent carries 7,613 reviews — the moat a new listing must climb.