---
title: "Vitamin C — £1.7M/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/vitamin-c"
last_updated: "2026-07-31T13:11:40.246Z"
locale: en
meta:
  description: "Niche score 57/100 · £1.7M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 57/100 · £1.7M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Vitamin C — £1.7M/yr Amazon UK Niche (2026) - Flapen"
---

# **vitamin c**

**Worth a look**

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 90Growth 14Conversion 96Competition 54Returns 100Price range 25Avg price 22Brand share 65Review moat 31Quality gap 37

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****13.2%**

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

**Market size**

**Great****£1.7M**

£1.7M/yr · 1.6M searches

**Brand share**

**Good****66%**

top-5 brand share — brands hold most of the demand

**Competition**

**Good****53%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****3,429.32**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Okay****£2.92–£19.07**

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

**Avg price**

**Bad****£8.04**

avg 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 ~~](https://flapen.com/research/methodology)

## **vitamin c market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**200K–250K**</dd><dd>avg 10,000–12,500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£1.6M–£2.0M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**13.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#21**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**92%**</dd>

<dt>**Out of stock**</dt><dd>**0.4%**</dd>

<dt>**Avg brand age**</dt><dd>**66 months**</dd>

<dt>**Avg seller age**</dt><dd>**158 days**</dd>

</dl>

## **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.

40K30KSpike '24Spike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

[**Open Trend **](https://flapen.com/research/uk/health-personal-care/vitamin-c/trend)

## **Top vitamin c search terms**

- **vitamin c**1.3M/yr-20.0%10.0% conv. - **vitamin c tablets**136K/yr-19.6%11.3% conv. - **vit c**49K/yr-14.2%9.5% conv. - **vitamin c 1000mg**45K/yr-30.5%11.6% conv. - **high strength vitamin c**20K/yr-20.0%8.8% conv. - **vit c tablets**13K/yr+8.4%10.8% conv. - **vitamin c capsules**15K/yr-18.1%2.6% conv. - **vitamin c supplements**14K/yr-40.0%7.1% conv. - **vitamin c 1000mg tablets**8K/yr-42.7%12.6% conv. - **vitabiotics vitamin c**9K/yr-21.9%17.8% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/vitamin-c/search-terms)

## **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.

0%10%£172K20%£345K30%£517K40%£690K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

[1![Vitamin C Tablets 1000mg - 180 Tablets - 6 Months Supply - 1 per Day](https://m.media-amazon.com/images/I/41iZuRSYtnL.jpg)**Vitamin C Tablets 1000mg - 180 Tablets - 6 Months Supply - 1 per Day**WeightWorld**£7.42**4.2★11,890 rev](https://www.amazon.co.uk/dp/B085W65GKF) [2![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](https://m.media-amazon.com/images/I/41uyRJKivyL.jpg)**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**£7.85**4.6★14,388 rev](https://www.amazon.co.uk/dp/B083F48TJY) [3![Natures Aid Vitamin C 1000mg Time Release - High Strength with Bioflavonoids - Supports Immunity Bones & Heart - Antioxidant - Vegan Gluten-Free Non-GMO Supplement 30 Tablets](https://m.media-amazon.com/images/I/41XVU5wJtsL.jpg)**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**£3.96**4.5★867 rev](https://www.amazon.co.uk/dp/B002F5FLZ2) [4![Vitamin C Tablets Sustained Release with Bioflavonoids - 60 Tablets](https://m.media-amazon.com/images/I/51hbenAx-fL.jpg)**Vitamin C Tablets Sustained Release with Bioflavonoids - 60 Tablets**Vitabiotics Ultra**£3.88**4.6★3,581 rev](https://www.amazon.co.uk/dp/B007I0E8NK) [5![Solgar Vitamin C 1000mg - Healthy Immune System - Helps Fight Free Radicals - Vegan - Pack of 100 Capsules](https://m.media-amazon.com/images/I/41mi9coD3NL.jpg)**Solgar Vitamin C 1000mg - Healthy Immune System - Helps Fight Free Radicals - Vegan - Pack of 100 Capsules**Solgar**£11.43**4.7★7,554 rev](https://www.amazon.co.uk/dp/B00020IBF4)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/41vZ53h1xlL.jpg)**Vitamin C 1000mg High-Strength Chewable Tablets for Energy Immune System Support & Fatigue Reduction Natural Orange Flavour - 3-Month Supply Vegan - Vitavea**Vitavea**£7.50**98 rev10mo ago](https://www.amazon.co.uk/dp/B0FPDCGNHT) [![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](https://m.media-amazon.com/images/I/41b+hbLFTUL.jpg)**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**£6.41**2,249 rev1y ago](https://www.amazon.co.uk/dp/B0DVGP5FDT) [![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](https://m.media-amazon.com/images/I/31IGib4kyML.jpg)**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**£7.41**304 rev1y ago](https://www.amazon.co.uk/dp/B0DD49PCZT) [![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](https://m.media-amazon.com/images/I/41Xod9VNphL.jpg)**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**£7.02**950 rev2y ago](https://www.amazon.co.uk/dp/B0CH8LRRGH) [![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](https://m.media-amazon.com/images/I/419XrtBqWmL.jpg)**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**£6.47**804 rev3y ago](https://www.amazon.co.uk/dp/B0C8J81278)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![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](https://m.media-amazon.com/images/I/41b+hbLFTUL.jpg)**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**£6.41**4.5★**▲ 106%**](https://www.amazon.co.uk/dp/B0DVGP5FDT) [![Vitamin C Tablets Sustained Release with Bioflavonoids - 120 Tablets](https://m.media-amazon.com/images/I/41LFBu03uYL.jpg)**Vitamin C Tablets Sustained Release with Bioflavonoids - 120 Tablets**Vitabiotics Ultra**£7.84**4.6★**▲ 93%**](https://www.amazon.co.uk/dp/B00TA7UXYM) [![Natures Aid Vitamin C 500mg 100 Chewable Tablets Supports Immune System & Skin Health - High Strength Sugar Free Vegan Non-GMO Antioxidant Supplement](https://m.media-amazon.com/images/I/41ZgrtZU-rL.jpg)**Natures Aid Vitamin C 500mg 100 Chewable Tablets Supports Immune System & Skin Health - High Strength Sugar Free Vegan Non-GMO Antioxidant Supplement**Natures Aid**£5.12**4.6★**▲ 84%**](https://www.amazon.co.uk/dp/B00G9XAVK6) [![Vitamin C 1000mg High-Strength Chewable Tablets for Energy Immune System Support & Fatigue Reduction Natural Orange Flavour - 3-Month Supply Vegan - Vitavea](https://m.media-amazon.com/images/I/41vZ53h1xlL.jpg)**Vitamin C 1000mg High-Strength Chewable Tablets for Energy Immune System Support & Fatigue Reduction Natural Orange Flavour - 3-Month Supply Vegan - Vitavea**Vitavea**£7.50**4.5★**▲ 47%**](https://www.amazon.co.uk/dp/B0FPDCGNHT) [![Solgar 500 mg Vitamin C Vegetable Capsules - Pack of 100 - Seasonal Immunity Support - Potent Antioxidant - Reduces Tiredness and Fatigue - Collagen Formation - Vegan](https://m.media-amazon.com/images/I/41-u3-4m+uL.jpg)**Solgar 500 mg Vitamin C Vegetable Capsules - Pack of 100 - Seasonal Immunity Support - Potent Antioxidant - Reduces Tiredness and Fatigue - Collagen Formation - Vegan**Solgar**£7.56**4.7★**▲ 29%**](https://www.amazon.co.uk/dp/B0001VW4F2)

**~~View all trending →~~**

## **What buyers say about vitamin c**

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

### **What buyers love **

**Value For Money**20%

*“Good value for money”*

**Vitamin**20%

*“Great handy vitamins”*

**Quality-Overall**11%

*“Excellent product”*

**Ease Of Chewing/Swallowing**8%

*“Pleasant to chew”*

**Taste-Overall**5%

*“they have a slight taste to them”*

**Size-Overall**3%

*“The size is perfect”*

**Dosage**2%

*“one easy tablet each day that satisfies your daily intake”*

**Cold Relief**2%

*“great protection against colds”*

**Ease Of Use**2%

*“Easy to use”*

**Solubility**2%

*“The tablet dissolves smoothly”*

### **What buyers complain about **

**Ease Of Chewing/Swallowing**26%

*“Impossible to swallow”*

**Size-Overall**20%

*“Very large tablets”*

**Taste-Overall**9%

*“Unpleasant taste”*

**Solubility**4%

*“Dissolves instantly in your mouth, awful taste”*

**Vitamin**3%

*“But not these Vitamin Cs”*

**Acid Regulator/Stomach Ache Relief**2%

*“The dosing is so high that it upsets the stomach”*

**Dosage**2%

*“Brought these before from H & B, as 500mg is enough & 1g is too much”*

**Sharpness**2%

*“They have sharp edges which I think causes the problem”*

**Oral Hygiene**2%

*“Tablets disintegrate in your mouth”*

**Ease Of Use**1%

*“these are really hard to swallow”*

## **Common questions**

<dl>

<dt>**Is vitamin c profitable to sell on Amazon United Kingdom?**</dt><dd>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).</dd>

<dt>**How competitive is the vitamin c niche?**</dt><dd>17 brands and 83 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 66% of demand.</dd>

<dt>**What do buyers complain about in vitamin c?**</dt><dd>Top complaints mined from reviews: Ease Of Chewing/Swallowing, Size-Overall, Taste-Overall. The return rate is 0.1%.</dd>

<dt>**When does demand for vitamin c peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.6× the quietest.</dd>

<dt>**What does it cost to enter the vitamin c niche?**</dt><dd>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.</dd>

</dl>

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