vitamin c
Worth a lookShows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Incredible13.2%search→purchase rate — share of searches ending in a sale
Market size
Great£1.7M£1.7M/yr · 1.6M searches
Brand share
Good66%top-5 brand share — brands hold most of the demand
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay3,429.32avg incumbent reviews — the moat a new listing must climb
Price range
Okay£2.92–£19.07cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Bad£8.04avg listing price — sweet spot $15–$100
Growth
Bad-21.6%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, vitamin c is a £1.7M/yr Amazon United Kingdom market (1.6M searches/yr). The top 5 brands hold 66% of demand. Verdict: Worth a look — 57/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
vitamin c market data
- Units sold / yr
- 200K–250K
- avg 10,000–12,500/product
- Revenue / yr
- £1.6M–£2.0M
- units × avg price
- Conversion rate
- 13.2%
- Avg BSR
- #21
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 0.4%
- Avg brand age
- 66 months
- Avg seller age
- 158 days
Competition & brand share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
17 rising
Sellers
83
Top-5 brand share
66%
Top 20: 100%
Top-5 click share
53%
Top 20: 94%
Open market
29%
- WeightWorld25%
- Nutravita17%
- Vitabiotics Ultra9%
- Natures Aid8%
- Solgar7%
- Zipvit5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -21.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top vitamin c search terms
- vitamin c1.3M/yr
- vitamin c tablets136K/yr
- vit c49K/yr
- vitamin c 1000mg45K/yr
- high strength vitamin c20K/yr
- vit c tablets13K/yr
- vitamin c capsules15K/yr
- vitamin c supplements14K/yr
- vitamin c 1000mg tablets8K/yr
- vitabiotics vitamin c9K/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
Vitamin C Tablets 1000mg - 180 Tablets - 6 Months Supply - 1 per Day
WeightWorld£7.424.2★11,890 rev
Nutravita Vitamin C 1000mg Tablets - 180 Vegan 1000mg Vitamin C Tablets not Capsules or Powder - 6 Months - High Strength Ascorbic Acid - Bioflavonoids & Rosehip - Immune Support - Made in UK
Nutravita£7.854.6★14,388 rev
Natures Aid Vitamin C 1000mg Time Release - High Strength with Bioflavonoids - Supports Immunity Bones & Heart - Antioxidant - Vegan Gluten-Free Non-GMO Supplement 30 Tablets
Natures Aid£3.964.5★867 rev
Vitamin C Tablets Sustained Release with Bioflavonoids - 60 Tablets
Vitabiotics Ultra£3.884.6★3,581 rev
Solgar Vitamin C 1000mg - Healthy Immune System - Helps Fight Free Radicals - Vegan - Pack of 100 Capsules
Solgar£11.434.7★7,554 rev
Newest
by launch date
Vitamin C 1000mg High-Strength Chewable Tablets for Energy Immune System Support & Fatigue Reduction Natural Orange Flavour - 3-Month Supply Vegan - Vitavea
Vitavea£7.5098 rev
Zipvit Vitamin C 1000mg 180 High Strength Vitamin C Tablets with Rosehip & Bioflavonoids Vegan VIT C Supplement Supports The Immune System and Reduction of Tiredness and Fatigue
Zipvit£6.412,249 rev
Vitamin C 1000mg per Serving | 360 Vegan Tablets - 6 Month Supply | Vitamin C with Rosehip and Bioflavonoids | High Strength Immune System and Energy Supplement | Made in the UK by Shivay Herbals
Shivay Herbals£7.41304 rev
Nutravita Vitamin C Tablets 1100mg 180 Premium Vegan and Vegetarian Tablets 3 Month Supply - High Strength Ascorbic Acid - Vitamin C for The Immune System - Letterbox Friendly - Made in The UK
Nutravita£7.02950 rev
Vitamin C Tablets 1000mg - Enriched with Bioflavonoids & Rosehip - Premium Vitamin C Supplements - Vegan Tablets High Strength Ascorbic Acid VIT C for Normal Immune System UK Made
NEW LEAF PRODUCTS£6.47804 rev
Trending
90-day click momentumZipvit Vitamin C 1000mg 180 High Strength Vitamin C Tablets with Rosehip & Bioflavonoids Vegan VIT C Supplement Supports The Immune System and Reduction of Tiredness and Fatigue
Zipvit£6.414.5★
Vitamin C Tablets Sustained Release with Bioflavonoids - 120 Tablets
Vitabiotics Ultra£7.844.6★
Natures Aid Vitamin C 500mg 100 Chewable Tablets Supports Immune System & Skin Health - High Strength Sugar Free Vegan Non-GMO Antioxidant Supplement
Natures Aid£5.124.6★
Vitamin C 1000mg High-Strength Chewable Tablets for Energy Immune System Support & Fatigue Reduction Natural Orange Flavour - 3-Month Supply Vegan - Vitavea
Vitavea£7.504.5★
Solgar 500 mg Vitamin C Vegetable Capsules - Pack of 100 - Seasonal Immunity Support - Potent Antioxidant - Reduces Tiredness and Fatigue - Collagen Formation - Vegan
Solgar£7.564.7★
What buyers say about vitamin c
What buyers praise and complain about, mined from review topics.What buyers love
“Good value for money”
“Great handy vitamins”
“Excellent product”
“Pleasant to chew”
“they have a slight taste to them”
“The size is perfect”
“one easy tablet each day that satisfies your daily intake”
“great protection against colds”
“Easy to use”
“The tablet dissolves smoothly”
What buyers complain about
“Impossible to swallow”
“Very large tablets”
“Unpleasant taste”
“Dissolves instantly in your mouth, awful taste”
“But not these Vitamin Cs”
“The dosing is so high that it upsets the stomach”
“Brought these before from H & B, as 500mg is enough & 1g is too much”
“They have sharp edges which I think causes the problem”
“Tablets disintegrate in your mouth”
“these are really hard to swallow”
Common questions
- Is vitamin c profitable to sell on Amazon United Kingdom?
- The niche generates £1.7M/yr across 25 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -21.6%. Flapen's verdict: Worth a look (57/100).
- How competitive is the vitamin c niche?
- 17 brands and 83 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 66% of demand.
- What do buyers complain about in vitamin c?
- Top complaints mined from reviews: Ease Of Chewing/Swallowing, Size-Overall, Taste-Overall. The return rate is 0.1%.
- When does demand for vitamin c peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the vitamin c niche?
- Listings span £2.92–£19.07; the average listing price is £8.04 (sweet spot $15–$100). The average incumbent carries 3,429 reviews — the moat a new listing must climb.