vitamin c effervescent tablets
Skip itPrices mostly outside the sweet spot ($2.92–$13.17) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible15.2%search→purchase rate — share of searches ending in a sale
Review moat
Okay1,701.85avg incumbent reviews — the moat a new listing must climb
Market size
Okay£113K£113K/yr · 115K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad77%top-5 click share — a locked-up shelf
Brand share
Bad93%top-5 brand share — brand-locked demand
Avg price
Bad£6.49avg listing price — sweet spot $15–$100
Growth
Bad-42.7%90-day search growth — must beat 0% to launch
Price range
Bad£2.92–£13.17cheapest 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
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.Peak months: Aug, Sep, Oct · busiest ÷ quietest = 11.4×
Top vitamin c effervescent tablets search terms
- vitamin c effervescent tablets34K/yr
- vitamin c tablets dissolvable11K/yr
- effervescent vitamin c tablets9K/yr
- vitamin c dissolvable tablets9K/yr
- vitamin c and zinc effervescent tablets9K/yr
- vit c effervescent tablets 1000mg6K/yr
- vitamin c effervescent6K/yr
- vitamin c drink5K/yr
- effervescent vitamin c11K/yr
- redoxon3K/yr
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.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
120 Vitamin C Orange 1000mg Effervescent Tablets *6 Packs of 20* HIGH Strength
Vitamin Store£8.224.7★4,896 rev
Vitabiotics Ultra Vitamin C Effervescent Dissolvable with Zinc Orange Flavour 20 Tablets Pack of 1
Vitabiotics Ultra£2.924.6★2,334 rev
Fast&Up Vitamin C Vitamin D & Zinc - 20 Effervescent Tablets - Complete Immunity Support - Best Defence - One Daily - Orange Flavour
FAST&UP£4.474.6★1,059 rev
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£5.514.7★4,896 rev
Vitamin Store Vitamin C and Zinc Effervescent Tablets Orange Flavoured Suitable for Vegans 6 Packs of 20
Vitamin Store£9.324.7★649 rev
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£8.99110 rev
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£7.11578 rev
Vitamin C 1000mg & Zinc 15mg Raspberry Flavour Effervescent Tablets - High Strength Tablets for a Healthy Immune System (6 Tubes)
C.Defence£13.17162 rev
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£5.514,896 rev
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£5.77649 rev
Trending
90-day click momentumFast&Up Vitamin C Vitamin D & Zinc - 20 Effervescent Tablets - Complete Immunity Support - Best Defence - One Daily - Orange Flavour
FAST&UP£4.474.6★
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£5.774.7★
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£5.514.7★
Berocca Vitamin C Effervescent Tablets with Magnesium Vitamin B12 & Vitamin B Complex Orange Flavour 1 Pack of 45 Tablets - 6 Weeks Supply
Berocca£9.274.7★
120 Vitamin C Orange 1000mg Effervescent Tablets *6 Packs of 20* HIGH Strength
Vitamin Store£8.224.7★
What buyers say about vitamin c effervescent tablets
What buyers praise and complain about, mined from review topics.What buyers love
“Great way to get vitamins in”
“Excellent taste”
“Good Value”
“As good as any more expensive brand”
“Great taste and dissolves quickly”
“Easy to use”
“usually they really help in stopping me from getting minor colds etc”
“I take it to improve my energy”
“Great for immunity”
“The flavour is really nice too”
What buyers complain about
“Unpleasant taste”
“Doesn't dissolve completely”
“Flavour not the best on the market, weaker and less fizzy than others,”
“a bit expensive”
“Loaded with sugar”
“- The texture of the tablets is different”
“Not sure that these worked at all”
“for some reason i get a bad stomach with these”
“still residue in the glass”
“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.