---
title: "Vitamin C Effervescent Tablets — £113K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/vitamin-c-effervescent-tablets"
last_updated: "2026-07-31T17:14:40.050Z"
locale: en
meta:
description: "Niche score 35/100 · £113K/yr market · 115K searches/yr · £6.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · £113K/yr market · 115K searches/yr · £6.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Vitamin C Effervescent Tablets — £113K/yr Amazon UK Niche (2026) - Flapen"
---
# **vitamin c effervescent tablets**
**Skip it**
Prices mostly outside the sweet spot ($2.92–$13.17) — this niche doesn't clear our bar today.
Market size 27Growth 4Conversion 97Competition 19Returns 100Price range 0Avg price 18Brand share 18Review moat 48Quality gap 24
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****15.2%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****1,701.85**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****£113K**
£113K/yr · 115K searches
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Avg price**
**Bad****£6.49**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-42.7%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****£2.92–£13.17**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, vitamin c effervescent tablets is a £113K/yr Amazon United Kingdom market (115K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Skip it — 35/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin c effervescent tablets market data**
- **Units sold / yr**
- **15K–20K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **£97K–£130K**
- units × avg price
- **Conversion rate**
- **15.2%**
- **Avg BSR**
- **#43**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **76 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**81**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**4%**
- Vitamin Store49% - Vitabiotics Ultra18% - FAST&UP12% - Haliborange10% - C.Defence4% - Berocca3% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -42.7% search growth over the last 90 days.
25K15KSpike '24Spike '25Prime Day '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep, Oct · busiest ÷ quietest = 11.4×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/vitamin-c-effervescent-tablets/trend)
## **Top vitamin c effervescent tablets search terms**
- **vitamin c effervescent tablets**34K/yr-47.2%15.7% conv. - **vitamin c tablets dissolvable**11K/yr-17.6%14.4% conv. - **effervescent vitamin c tablets**9K/yr-44.5%13.3% conv. - **vitamin c dissolvable tablets**9K/yr-16.0%14.9% conv. - **vitamin c and zinc effervescent tablets**9K/yr-31.9%16.5% conv. - **vit c effervescent tablets 1000mg**6K/yr-8.7%20.5% conv. - **vitamin c effervescent**6K/yr+1.5%10.3% conv. - **vitamin c drink**5K/yr-23.8%7.7% conv. - **effervescent vitamin c**11K/yr-71.0%8.5% conv. - **redoxon**3K/yr-32.7%1.5% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/vitamin-c-effervescent-tablets/search-terms)
## **Top vitamin c effervescent tablets 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%£11K20%£23K30%£34K40%£45K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**120 Vitamin C Orange 1000mg Effervescent Tablets *6 Packs of 20* HIGH Strength**Vitamin Store**£8.22**4.7★4,896 rev](https://www.amazon.co.uk/dp/B015ECRF60) [2**Vitabiotics Ultra Vitamin C Effervescent Dissolvable with Zinc Orange Flavour 20 Tablets Pack of 1**Vitabiotics Ultra**£2.92**4.6★2,334 rev](https://www.amazon.co.uk/dp/B01DWIWBWQ) [3**Fast&Up Vitamin C Vitamin D & Zinc - 20 Effervescent Tablets - Complete Immunity Support - Best Defence - One Daily - Orange Flavour**FAST&UP**£4.47**4.6★1,059 rev](https://www.amazon.co.uk/dp/B08LGG935S) [4**Vitamin Store 60 High Strength Vitamin C (1000mg) Effervescent Tablets - 3 Packs of 20 Vitamin C Dissolvable Tablets - One-a-Day - Soluble Orange Flavoured Vitamin C Fizzy Tablets to Support Immunity**Vitamin Store**£5.51**4.7★4,896 rev](https://www.amazon.co.uk/dp/B0BKTDHQCN) [5**Vitamin Store Vitamin C and Zinc Effervescent Tablets Orange Flavoured Suitable for Vegans 6 Packs of 20**Vitamin Store**£9.32**4.7★649 rev](https://www.amazon.co.uk/dp/B09RSQG69T)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vitamin C 1000mg & Zinc 15mg Orange Flavour Effervescent Tablets - High Strength Tablets for a Healthy Immune System (4 Tubes)**C.Defence**£8.99**110 rev2y ago](https://www.amazon.co.uk/dp/B0CS3BJR3X) [**Tonic Health Immunity & Vitality Tablets - 4-in-1 Effervescent Multivitamins and Nutrients - Vitamin D Vitamin C and Zinc - Vegan No Sugar- Max Strength Tablets Raspberry & Lemon 20 Count**Tonic Health**£7.11**578 rev2y ago](https://www.amazon.co.uk/dp/B0BBH3NYFC) [**Vitamin C 1000mg & Zinc 15mg Raspberry Flavour Effervescent Tablets - High Strength Tablets for a Healthy Immune System (6 Tubes)**C.Defence**£13.17**162 rev3y ago](https://www.amazon.co.uk/dp/B0C7R7Z34K) [**Vitamin Store 60 High Strength Vitamin C (1000mg) Effervescent Tablets - 3 Packs of 20 Vitamin C Dissolvable Tablets - One-a-Day - Soluble Orange Flavoured Vitamin C Fizzy Tablets to Support Immunity**Vitamin Store**£5.51**4,896 rev3y ago](https://www.amazon.co.uk/dp/B0BKTDHQCN) [**Vitamin Store Vitamin C and Zinc Effervescent Tablets - 3 Packs of 20 Orange Flavoured Fizzy Dissolvable Tablets for a Healthy Immune System - Vegan - One-a-Day VIT C and Zinc Supplement**Vitamin Store**£5.77**649 rev3y ago](https://www.amazon.co.uk/dp/B0BKTCX6RN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Fast&Up Vitamin C Vitamin D & Zinc - 20 Effervescent Tablets - Complete Immunity Support - Best Defence - One Daily - Orange Flavour**FAST&UP**£4.47**4.6★**▲ 39%**](https://www.amazon.co.uk/dp/B08LGG935S) [**Vitamin Store Vitamin C and Zinc Effervescent Tablets - 3 Packs of 20 Orange Flavoured Fizzy Dissolvable Tablets for a Healthy Immune System - Vegan - One-a-Day VIT C and Zinc Supplement**Vitamin Store**£5.77**4.7★**▲ 29%**](https://www.amazon.co.uk/dp/B0BKTCX6RN) [**Vitamin Store 60 High Strength Vitamin C (1000mg) Effervescent Tablets - 3 Packs of 20 Vitamin C Dissolvable Tablets - One-a-Day - Soluble Orange Flavoured Vitamin C Fizzy Tablets to Support Immunity**Vitamin Store**£5.51**4.7★**▲ 11%**](https://www.amazon.co.uk/dp/B0BKTDHQCN) [**Berocca Vitamin C Effervescent Tablets with Magnesium Vitamin B12 & Vitamin B Complex Orange Flavour 1 Pack of 45 Tablets - 6 Weeks Supply**Berocca**£9.27**4.7★**— 9%**](https://www.amazon.co.uk/dp/B004A8UID2) [**120 Vitamin C Orange 1000mg Effervescent Tablets *6 Packs of 20* HIGH Strength**Vitamin Store**£8.22**4.7★**— 8%**](https://www.amazon.co.uk/dp/B015ECRF60)
**~~View all trending →~~**
## **What buyers say about vitamin c effervescent tablets**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**22%
*“Great way to get vitamins in”*
**Taste-Overall**17%
*“Excellent taste”*
**Value For Money**16%
*“Good Value”*
**Quality-Overall**10%
*“As good as any more expensive brand”*
**Solubility**6%
*“Great taste and dissolves quickly”*
**Ease Of Use**4%
*“Easy to use”*
**Cold Relief**3%
*“usually they really help in stopping me from getting minor colds etc”*
**Energy Level**3%
*“I take it to improve my energy”*
**Immunity Booster**2%
*“Great for immunity”*
**Flavor**2%
*“The flavour is really nice too”*
### **What buyers complain about **
**Taste-Overall**35%
*“Unpleasant taste”*
**Solubility**8%
*“Doesn't dissolve completely”*
**Flavor**7%
*“Flavour not the best on the market, weaker and less fizzy than others,”*
**Value For Money**6%
*“a bit expensive”*
**Artificial Sweeteners**4%
*“Loaded with sugar”*
**Texture/Consistency-Overall**4%
*“- The texture of the tablets is different”*
**Functionality-Overall**4%
*“Not sure that these worked at all”*
**Acid Regulator/Stomach Ache Relief**3%
*“for some reason i get a bad stomach with these”*
**Residue**2%
*“still residue in the glass”*
**Vitamin**2%
*“Not recommended, No taste at all, Tesco vitamin C far better than this one”*
## **Common questions**
- **Is vitamin c effervescent tablets profitable to sell on Amazon United Kingdom?**
- The niche generates £113K/yr across 13 tracked products. 90-day search growth is -42.7%. Flapen's verdict: Skip it (35/100).
- **How competitive is the vitamin c effervescent tablets niche?**
- 8 brands and 81 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in vitamin c effervescent tablets?**
- Top complaints mined from reviews: Taste-Overall, Solubility, Flavor. The return rate is 0.0%.
- **When does demand for vitamin c effervescent tablets peak?**
- Demand peaks in Aug–Sep–Oct; the busiest month runs 11.4× the quietest.
- **What does it cost to enter the vitamin c effervescent tablets niche?**
- Listings span £2.92–£13.17; the average listing price is £6.49 (sweet spot $15–$100). The average incumbent carries 1,702 reviews — the moat a new listing must climb.
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