---
title: "Vitamin D 2000iu — £97K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/vitamin-d-2000iu"
last_updated: "2026-07-31T20:27:06.734Z"
locale: en
meta:
description: "Niche score 32/100 · £97K/yr market · 79K searches/yr · £7.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 32/100 · £97K/yr market · 79K searches/yr · £7.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Vitamin D 2000iu — £97K/yr Amazon UK Niche (2026) - Flapen"
---
# **vitamin d 2000iu**
**Skip it**
Prices mostly outside the sweet spot ($4.55–$13.31) — this niche doesn't clear our bar today.
Market size 24Growth 8Conversion 97Competition 11Returns 100Price range 0Avg price 21Brand share 18Review moat 23Quality gap 21
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****15.9%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****£97K**
£97K/yr · 79K searches
**Review moat**
**Bad****7,672.56**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Bad****£7.72**
avg listing price — sweet spot $15–$100
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****87%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-34.0%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****£4.55–£13.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, vitamin d 2000iu is a £97K/yr Amazon United Kingdom market (79K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 32/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin d 2000iu market data**
- **Units sold / yr**
- **13K–15K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **£97K–£116K**
- units × avg price
- **Conversion rate**
- **15.9%**
- **Avg BSR**
- **#97**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **62 months**
- **Avg seller age**
- **174 days**
## **Competition & brand share**
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **—flat
**Sellers**
**52**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**87%**
Top 20: 100%
**Open market**
**4%**
- Vitabiotics Ultra29% - WeightWorld29% - 417% - VitaPremium12% - Royal Oak Health6% - Igennus Healthcare Nutrition3% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -34.0% search growth over the last 90 days.
10K6KSpike '24Holiday '24Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, Mar · busiest ÷ quietest = 5.3×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/vitamin-d-2000iu/trend)
## **Top vitamin d 2000iu search terms**
- **vitamin d 2000iu**31K/yr-36.3%16.1% conv. - **vitamin d3 2000iu**25K/yr-35.5%14.4% conv. - **vitamin d 2000**11K/yr-29.7%17.2% conv. - **vitamin d 2000 iu**6K/yr-25.8%12.7% conv. - **vitamin d3 2000 iu**4K/yr-23.5%11.4% conv. - **vitamin d3 2000**3K/yr-37.0%15.8% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/vitamin-d-2000iu/search-terms)
## **Top vitamin d 2000iu 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%£10K20%£19K30%£29K40%£39K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Vitamin D Tablets 2000IU Vitabiotics Ultra-96 Count 1-Pack**Vitabiotics Ultra**£4.55**4.7★13,169 rev](https://www.amazon.co.uk/dp/B075GRYNB8) [2**Vitamin D3 2000IU - 400 Tablets - 1+ Year Supply - 8mm Round Tablets - Vegetarian-Friendly & Non-GMO - 1 per Day - Vitamin D Supplements for Men & Women - Made in the UK**WeightWorld**£6.64**4.6★9,559 rev](https://www.amazon.co.uk/dp/B08J48DNCN) [3**Vitamin D3 2000 IU Tablets 365 Small Easy to Swallow Vegetarian Tablets (1 Year Supply) Immune System & Bone Health Support Made in UK 4 HIM & HER**4**£6.04**4.6★421 rev](https://www.amazon.co.uk/dp/B0C1GKM5S1) [4**Vitamin D 2 000 IU Optimal Strength Vitamin D3 Supplement 365 Easy to Swallow Softgels - Full Year Supply**VitaPremium**£7.90**4.7★666 rev](https://www.amazon.co.uk/dp/B09XN6X6H8) [5**Vitamin D3 K2 Tablets | 365 Tablets | 1 Year Supply | 2000IU Vitamin D3 (Cholecalciferol) | 200mcg K2 (Menaquinone MK-7) | 1 per Day | Easy to Swallow (6mm) | Vegetarian & Non-GMO VIT D Supplement**WeightWorld**£7.24**4.6★7,286 rev](https://www.amazon.co.uk/dp/B091GB1NP1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vitamin D3 2000 IU Tablets 365 Small Easy to Swallow Vegetarian Tablets (1 Year Supply) Immune System & Bone Health Support Made in UK 4 HIM & HER**4**£6.04**421 rev8mo ago](https://www.amazon.co.uk/dp/B0C1GKM5S1) [**Royal Oak Health Vitamin D3 (Cholecalciferol) - High Strength Easy to Swallow Vitamin D Tablet Alternative Supplement for Immune Muscle Bones & Teeth (Vitamin D3 2000iu 180 Soft Gel Capsules)**Royal Oak Health**£7.61**65 rev1y ago](https://www.amazon.co.uk/dp/B0DR38MPH4) [**Vitamin D3 4000 iu & Vitamin K2 MK7 100g - 1 Year Supply 365 Easy-Swallow Vitamin D3 K2 Tablets 1-A-Day High Strength Vegetarian D3 and K2 Vitamin Supplements UK Made Vitamin D Tablets**Nutrition Geeks**£7.95**17,521 rev2y ago](https://www.amazon.co.uk/dp/B0CR57HRDV) [**Vitamin D 2 000 IU Optimal Strength Vitamin D3 Supplement 365 Easy to Swallow Softgels - Full Year Supply**VitaPremium**£7.90**666 rev4y ago](https://www.amazon.co.uk/dp/B09XN6X6H8) [**Vitamin D3 K2 Tablets | 365 Tablets | 1 Year Supply | 2000IU Vitamin D3 (Cholecalciferol) | 200mcg K2 (Menaquinone MK-7) | 1 per Day | Easy to Swallow (6mm) | Vegetarian & Non-GMO VIT D Supplement**WeightWorld**£7.24**7,286 rev5y ago](https://www.amazon.co.uk/dp/B091GB1NP1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Vitamin D3 K2 Tablets | 365 Tablets | 1 Year Supply | 2000IU Vitamin D3 (Cholecalciferol) | 200mcg K2 (Menaquinone MK-7) | 1 per Day | Easy to Swallow (6mm) | Vegetarian & Non-GMO VIT D Supplement**WeightWorld**£7.24**4.6★**▲ 69%**](https://www.amazon.co.uk/dp/B091GB1NP1) [**Vitamin D3 2000 IU Tablets 365 Small Easy to Swallow Vegetarian Tablets (1 Year Supply) Immune System & Bone Health Support Made in UK 4 HIM & HER**4**£6.04**4.6★**▲ 68%**](https://www.amazon.co.uk/dp/B0C1GKM5S1) [**Vitamin D Tablets 2000IU Vitabiotics Ultra-96 Count 1-Pack**Vitabiotics Ultra**£4.55**4.7★**— 4%**](https://www.amazon.co.uk/dp/B075GRYNB8) [**Royal Oak Health Vitamin D3 (Cholecalciferol) - High Strength Easy to Swallow Vitamin D Tablet Alternative Supplement for Immune Muscle Bones & Teeth (Vitamin D3 2000iu 180 Soft Gel Capsules)**Royal Oak Health**£7.61**4.8★**— 6%**](https://www.amazon.co.uk/dp/B0DR38MPH4) [**Solgar Vitamin D3 (Cholecalciferol) 2200 IU (55 g) Vegetable Capsules - Pack of 100 - Healthy Bones and Teeth - Supports Immunity and Muscle Function - Vegetarian**Solgar**£13.31**4.7★**— 7%**](https://www.amazon.co.uk/dp/B0019KAS66)
**~~View all trending →~~**
## **What buyers say about vitamin d 2000iu**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**19%
*“Good price”*
**Vitamin**18%
*“great vitamin”*
**Quality-Overall**17%
*“Good quality and easy to swallow”*
**Ease Of Chewing/Swallowing**13%
*“Easy to swallow”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Ease Of Use**3%
*“Very convenient”*
**Side Effects**3%
*“dont leave any aftertaste”*
**Dosage**2%
*“Just the right dosage”*
**Efficiency**2%
*“Effective”*
**Nutritional Content**1%
*“Overall a reliable supplement that does exactly what its meant to do”*
### **What buyers complain about **
**Dosage**10%
*“it looks as if the dosage is very high”*
**Size-Overall**10%
*“Packet is very tiny”*
**Vitamin**9%
*“Not the right type of Vitamin D for me I guess”*
**Nutritional Content**5%
*“Other products in the Nutrition Geeks line are a scam”*
**Language Issues**4%
*“At first I was disappointed to find that all the text on the container was in another language, however Ive now found that the label can be peeled back for details in English and other languages”*
**Functionality-Overall**4%
*“Doesn't seem to work”*
**Value For Money**3%
*“Cheap for a reason”*
**Advertised Vs Actual Product**3%
*“and NONE of them are what they claim”*
**Side Effects**3%
*“they made me ill”*
**Strength**3%
*“Either too strong or poorly formulated”*
### **Top return reasons **
**Vitamin**100%
## **Common questions**
- **Is vitamin d 2000iu profitable to sell on Amazon United Kingdom?**
- The niche generates £97K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -34.0%. Flapen's verdict: Skip it (32/100).
- **How competitive is the vitamin d 2000iu niche?**
- 8 brands and 52 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in vitamin d 2000iu?**
- Top complaints mined from reviews: Dosage, Size-Overall, Vitamin. The return rate is 0.1%.
- **When does demand for vitamin d 2000iu peak?**
- Demand peaks in Jan–Feb–Mar; the busiest month runs 5.3× the quietest.
- **What does it cost to enter the vitamin d 2000iu niche?**
- Listings span £4.55–£13.31; the average listing price is £7.72 (sweet spot $15–$100). The average incumbent carries 7,673 reviews — the moat a new listing must climb.
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