vitamin c
Skip itA small market ($11K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Avg price
Great$18.15avg listing price — sweet spot $15–$100
Price range
Good$5.68–$36.57cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good72%top-5 brand share — brands hold most of the demand
Competition
Okay55%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Growth
Okay+3.4%90-day search growth — must beat 0% to launch
Review moat
Bad7,613.42avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$11K$11K/yr · 20K searches
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.
Data updated Jul 24, 2026 · scored weekly · How we score niches
vitamin c market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $23K–$27K
- units × avg price
- Conversion rate
- 3.0%
- Avg BSR
- #486
- Page quality
- 0%
- Prime
- 79%
- Sponsored
- 50%
- Out of stock
- 7.4%
- Avg brand age
- 112 months
- Avg seller age
- 0 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
21
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%
Demand
Weekly Amazon search volume, last 47 weeks — +3.4% search growth over the last 90 days.Top vitamin c search terms
- vitamin c18K/yr
- vitamin c 1000mg803/yr
- vit c605/yr
Top vitamin c 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NOW Supplements Vitamin C-1 000 with Rose Hips Sustained Release Antioxidant Protection 250 Tablets
Now Foods$22.814.7★19,729 rev
Now Foods C-1000 Sustained Release Tablets 100ct
Now Foods$13.944.7★19,729 rev
NOW Supplements Vitamin C-1 000 with 100 mg of Bioflavonoids Antioxidant Protection* 250 Veg Capsules
Now Foods$21.304.8★10,435 rev
Voost Vitamin C Effervescent Vitamin 20 Tabs (20 count)
Voost$13.775.0★1 rev
Vitamin C + Rose Hips by Natures Bounty. Vitamin C is a Leading Vitamin for Immune Support 1000mg 100 Coated Caplets
Nature's Bounty$15.984.8★47,532 rev
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)
Nano Singapore$11.051 rev
Voost Vitamin C Blood Orange Effervescent Vitamin Supplement 60 Tabs
Voost$22.822 rev
WATSONS Vitamin C + Vitamin D3 + Zinc Effervescent Tablets Natural Orange Flavour (For Immune Health) 15s x 3 Tubes
WATSONS$24.662 rev
Blackmores Bio C 1000mg Vitamin C Tablets (30s) Ultimate Immunity Fighter
Blackmores$16.701 rev
Voost Vitamin C Blood Orange Effervescent Tablets 40 Pack
Voost$26.5792 rev
Trending
90-day click momentum
Solgar Vitamin C 1000 mg 90 Tablets - Antioxidant & Immune Support Overall Health Healthy Skin & Joints - Bioflavonoids Supplement - Non-GMO Vegan Gluten Free Kosher - 90 Servings
Solgar$17.044.8★
Swanson C-500 - Vitamin C with Rose Hips 500 mg 100 Vegan Caps Immune Antioxidant Eye Heart Metabolic and Collagen Support
Swanson$5.684.6★
Ester-C Vitamin C 1000 mg Coated Tablets Immune System Booster Stomach-Friendly Supplement 120 count
Ester-C$20.994.7★
Voost Vitamin C Blood Orange Effervescent Vitamin Supplement 60 Tabs
Voost$22.825.0★
Blackmores Bio C 1000mg Vitamin C Tablets (30s) Ultimate Immunity Fighter
Blackmores$16.705.0★
Common questions
- Is vitamin c profitable to sell on Amazon Singapore?
- The niche generates $11K/yr across 24 tracked products. 90-day search growth is +3.4%. Flapen's verdict: Skip it (42/100).
- How competitive is the vitamin c niche?
- 15 brands and 21 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 72% of demand.
- What does it cost to enter the vitamin c niche?
- Listings span $5.68–$36.57; the average listing price is $18.15 (sweet spot $15–$100). The average incumbent carries 7,613 reviews — the moat a new listing must climb.