---
title: "Vitamin C 500mg — £89K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/vitamin-c-500mg"
last_updated: "2026-07-31T17:18:12.571Z"
locale: en
meta:
description: "Niche score 34/100 · £89K/yr market · 56K searches/yr · £8.66 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · £89K/yr market · 56K searches/yr · £8.66 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Vitamin C 500mg — £89K/yr Amazon UK Niche (2026) - Flapen"
---
# **vitamin c 500mg**
**Skip it**
Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size 22Growth 6Conversion 99Competition 17Returns 100Price range 22Avg price 24Brand share 5Review moat 41Quality gap 28
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****18.3%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****2,356.9**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Bad****£8.66**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****£89K**
£89K/yr · 56K searches
**Price range**
**Bad****£3.83–£18.10**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-38.8%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, vitamin c 500mg is a £89K/yr Amazon United Kingdom market (56K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 34/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin c 500mg market data**
- **Units sold / yr**
- **8K–10K**
- avg 750–1,000/product
- **Revenue / yr**
- **£69K–£87K**
- units × avg price
- **Conversion rate**
- **18.3%**
- **Avg BSR**
- **#61**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.8%**
- **Avg brand age**
- **75 months**
- **Avg seller age**
- **177 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **—flat
**Sellers**
**42**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**0%**
- Solgar72% - Natures Aid9% - G R O U N D E D COFFEE SCRUB7% - Simply Supplements6% - Vitabiotics Ultra4% - Vita Thrive2% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 26 weeks — -38.8% search growth over the last 90 days.
2K1KSpike '26Jan '26Feb '26Mar '26Apr '26May '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/vitamin-c-500mg/trend)
## **Top vitamin c 500mg search terms**
- **vitamin c 500mg**20K/yr-32.6%13.6% conv. - **solgar vitamin c**19K/yr-17.3%21.1% conv. - **vitamin c 500mg tablets**5K/yr-15.5%11.6% conv. - **vitamin c solgar**5K/yr-65.1%19.7% conv. - **vitamin c tablets 500mg**4K/yr-63.3%9.2% conv. - **solgar vitamin c 1000mg**4K/yr-71.6%25.1% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/vitamin-c-500mg/search-terms)
## **Top vitamin c 500mg 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%£9K20%£18K30%£27K40%£36K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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) [2**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★1,955 rev](https://www.amazon.co.uk/dp/B0001VW4F2) [3**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★3,153 rev](https://www.amazon.co.uk/dp/B00G9XAVK6) [4**Vitamin C 500 mg Enhanced with Rosehip Bioflavonoids 3 Month Supply (180 Tablets) Vegan & Vegetarian Friendly High Strength Premium Dose Slow Release VIT C for Immune Support UK Made by Grounded**G R O U N D E D COFFEE SCRUB**£6.59**4.4★161 rev](https://www.amazon.co.uk/dp/B0948THM5R) [5**Vitamin C 500mg | 60 Vegan Capsules | 2 Months Supply**Simply Supplements**£5.41**4.4★173 rev](https://www.amazon.co.uk/dp/B086CDNXHD)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**VitaThrive Vitamin C 500mg Chewable Tablets High Strength Vitamin C Supplement for Immune Support Collagen Formation & Daily Wellness Orange Flavour Chewable Tablets 90 Tablets**Vita Thrive**£3.83**120 rev4y ago](https://www.amazon.co.uk/dp/B09XXT56D8) [**Vitamin C 500 mg Enhanced with Rosehip Bioflavonoids 3 Month Supply (180 Tablets) Vegan & Vegetarian Friendly High Strength Premium Dose Slow Release VIT C for Immune Support UK Made by Grounded**G R O U N D E D COFFEE SCRUB**£6.59**161 rev5y ago](https://www.amazon.co.uk/dp/B0948THM5R) [**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**3,153 rev12y ago](https://www.amazon.co.uk/dp/B00G9XAVK6) [**Vitamin C 500mg | 60 Vegan Capsules | 2 Months Supply**Simply Supplements**£5.41**173 rev13y ago](https://www.amazon.co.uk/dp/B086CDNXHD) [**Solgar Ester-C 1000 mg Vitamin C Capsules - Pack of 90 - Gentle Non-Acidic Vitamin C Formula - Supports Immune System and Antioxidant Protection**Solgar**£18.10**1,279 rev13y ago](https://www.amazon.co.uk/dp/B00CREMXSE)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Solgar Vitamin C 1000 mg with Rose Hips Tablets - Pack of 100 - Immune System Support - for Tiredness and Fatigue - Collagen Formation Support - Vegan**Solgar**£11.80**4.6★**▲ 81%**](https://www.amazon.co.uk/dp/B00020IBKY) [**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★**▲ 56%**](https://www.amazon.co.uk/dp/B00G9XAVK6) [**Solgar Ester-C Plus 500mg Vitamin C - Supports Healthy Immune System - Highly Absorbable - Antioxidant - 100 Vegetable Capsules**Solgar**£12.91**4.7★**▲ 54%**](https://www.amazon.co.uk/dp/B00020IBAO) [**VitaThrive Vitamin C 500mg Chewable Tablets High Strength Vitamin C Supplement for Immune Support Collagen Formation & Daily Wellness Orange Flavour Chewable Tablets 90 Tablets**Vita Thrive**£3.83**4.5★**▲ 32%**](https://www.amazon.co.uk/dp/B09XXT56D8) [**Vitamin C 500mg | 60 Vegan Capsules | 2 Months Supply**Simply Supplements**£5.41**4.4★**▲ 31%**](https://www.amazon.co.uk/dp/B086CDNXHD)
**~~View all trending →~~**
## **What buyers say about vitamin c 500mg**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**36%
*“Good quality vitamin capsules”*
**Quality-Overall**14%
*“the product seems well made”*
**Ease Of Chewing/Swallowing**13%
*“Pleasant to chew”*
**Value For Money**10%
*“reasonable price”*
**Taste-Overall**6%
*“Taste great”*
**Ease Of Use**5%
*“Easy to use”*
**Immunity Booster**3%
*“Amazing for immune system”*
**Advertised Vs Actual Product**3%
*“Es expected”*
**Efficiency**1%
*“Works well”*
**Size-Overall**1%
*“good size”*
### **What buyers complain about **
**Size-Overall**17%
*“very big”*
**Ease Of Chewing/Swallowing**14%
*“it hurts to swallow them”*
**Vitamin**9%
*“I received a broken vitamin”*
**Taste-Overall**9%
*“tasted like mildew I took out more”*
**Strength**9%
*“Too strong”*
**Dosage**8%
*“Brought these before from H & B, as 500mg is enough & 1g is too much”*
**Compatibility-Overall**5%
*“Not a compatible product”*
**Value For Money**3%
*“Effectively double the cost you think you are paying”*
**Advertised Vs Actual Product**3%
*“Listing is misleading”*
## **Common questions**
- **Is vitamin c 500mg profitable to sell on Amazon United Kingdom?**
- The niche generates £89K/yr across 10 tracked products. 90-day search growth is -38.8%. Flapen's verdict: Skip it (34/100).
- **How competitive is the vitamin c 500mg niche?**
- 6 brands and 42 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in vitamin c 500mg?**
- Top complaints mined from reviews: Size-Overall, Ease Of Chewing/Swallowing, Vitamin. The return rate is 0.0%.
- **What does it cost to enter the vitamin c 500mg niche?**
- Listings span £3.83–£18.10; the average listing price is £8.66 (sweet spot $15–$100). The average incumbent carries 2,357 reviews — the moat a new listing must climb.
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