---
title: "Vitamin D Pregnancy Supplement — £90K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/vitamin-d-pregnancy-supplement"
last_updated: "2026-07-31T14:27:49.213Z"
locale: en
meta:
description: "Niche score 40/100 · £90K/yr market · 97K searches/yr · £6.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · £90K/yr market · 97K searches/yr · £6.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Vitamin D Pregnancy Supplement — £90K/yr Amazon UK Niche (2026) - Flapen"
---
# **vitamin d pregnancy supplement**
**Skip it**
Prices mostly outside the sweet spot ($2.75–$10.58) — this niche doesn't clear our bar today.
Market size 22Growth 53Conversion 97Competition 16Returns 99Price range 0Avg price 17Brand share 23Review moat 27Quality gap 25
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****15.2%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+25.5%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****3,837.73**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****£90K**
£90K/yr · 97K searches
**Avg price**
**Bad****£6.08**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****81%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****£2.75–£10.58**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, vitamin d pregnancy supplement is a £90K/yr Amazon United Kingdom market (97K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jan–Feb–Mar–Oct. Verdict: Skip it — 40/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin d pregnancy supplement market data**
- **Units sold / yr**
- **13K–15K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **£76K–£91K**
- units × avg price
- **Conversion rate**
- **15.2%**
- **Avg BSR**
- **#8**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **91%**
- **Out of stock**
- **1.7%**
- **Avg brand age**
- **57 months**
- **Avg seller age**
- **166 days**
## **Competition & brand share**
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**119**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**81%**
Top 20: 100%
**Open market**
**4%**
- Vitabiotics Ultra32% - Pregnacare26% - Natures Aid17% - SunVit-D310% - Physis7% - NEW LEAF PRODUCTS5% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +25.5% search growth over the last 90 days.
23K18KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, Mar, Oct · busiest ÷ quietest = 7.8×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/vitamin-d-pregnancy-supplement/trend)
## **Top vitamin d pregnancy supplement search terms**
- **folic acid pregnancy**74K/yr+39.5%14.7% conv. - **folic acid and vitamin d**13K/yr-0.8%7.5% conv. - **folic acid and vitamin d pregnancy**3K/yr-10.3%8.1% conv. - **pregnancy folic acid**2K/yr+2.3%11.7% conv. - **folic acid for pregnancy**3K/yr-22.5%14.3% conv. - **folic acid tablets for pregnancy**2K/yr-72.0%12.4% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/vitamin-d-pregnancy-supplement/search-terms)
## **Top vitamin d pregnancy supplement 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%£36K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Vitabiotics Ultra Folic Acid Tablets 400 mcg Vitamin B12 - 60 Tablets**Vitabiotics Ultra**£3.00**4.7★5,678 rev](https://www.amazon.co.uk/dp/B01N8RII00) [2**Natures Aid Folic Acid 400mcg Supports Prenatal Health Red Blood Cell Formation DNA Synthesis Vegan Non-GMO Gluten-Free High Potency Natural Supplement 90 Tablets**Natures Aid**£3.43**4.7★7,007 rev](https://www.amazon.co.uk/dp/B000GY75RQ) [3**Pregnacare MAX Pregnancy Vitamins - UKs No.1 Pregnancy Brand. Greater Prenatal Care for Women Supplement with Added Omega-3 DHA for Normal Brain and Eye Development**Pregnacare**£9.98**4.7★6,112 rev](https://www.amazon.co.uk/dp/B007MMSWPY) [4**SunVit-Pro Folic Acid Tablets 400mcg Pregnancy Supplement for Women Supports Red Blood Cell Formation Health & B9 Vitamin Prenatal Vitamins Vegan & Gluten-Free 90 Count**SunVit-D3**£4.61**4.5★6 rev](https://www.amazon.co.uk/dp/B0GS5STSFM) [5**Pregnacare Original Formula Tablets During Pregnancy Support Vitamins and Supplements 30 Tablets**Pregnacare**£2.75**4.7★12,809 rev](https://www.amazon.co.uk/dp/B000LNHBCG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SunVit-Pro Folic Acid Tablets 400mcg Pregnancy Supplement for Women Supports Red Blood Cell Formation Health & B9 Vitamin Prenatal Vitamins Vegan & Gluten-Free 90 Count**SunVit-D3**£4.61**6 rev4mo ago](https://www.amazon.co.uk/dp/B0GS5STSFM) [**Physis Folic Acid Pregnancy Vitamins | Vegan Prenatal Vitamins for Women | Pregnancy Gummies with Folic Acid and B12 | Folate Vitamin Bs C D E K & Zinc | 60 Berry Soft Chews | Pregnancy Supplements**Physis**£9.16**26 rev1y ago](https://www.amazon.co.uk/dp/B0FGB4SFH8) [**Folic Acid Pregnancy Tablets High Strength Folate Vitamins - 120 Tablets Folic Acid Vegan Prenatal Vitamins for Women 400mcg Vitamin B9 Prenatal - Pregnancy Supplements - UK Made**NEW LEAF PRODUCTS**£6.71**712 rev3y ago](https://www.amazon.co.uk/dp/B0CB9CRQ5W) [**PuroSure Folic Acid Tablets 400 mcg 90 Tablets - Vitamin B9 Tablets - 3 Month Supply - Pregnancy Care - Normal Function of Immune System & Maternal Tissue Growth During Pregnancy**PuroSure**£3.04**240 rev3y ago](https://www.amazon.co.uk/dp/B0BLP76R5H) [**Known Pregnancy Support Gummies with 400mcg Folic Acid Raspberry Flavour Vegan Prenatal Multivitamin Gummy Supplement with Vitamin D3 K C E B12 Biotin & Zinc 1 Month Supply**Known**£10.58**350 rev5y ago](https://www.amazon.co.uk/dp/B098F621GJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SunVit-Pro Folic Acid Tablets 400mcg Pregnancy Supplement for Women Supports Red Blood Cell Formation Health & B9 Vitamin Prenatal Vitamins Vegan & Gluten-Free 90 Count**SunVit-D3**£4.61**4.5★**▲ 213%**](https://www.amazon.co.uk/dp/B0GS5STSFM) [**Physis Folic Acid Pregnancy Vitamins | Vegan Prenatal Vitamins for Women | Pregnancy Gummies with Folic Acid and B12 | Folate Vitamin Bs C D E K & Zinc | 60 Berry Soft Chews | Pregnancy Supplements**Physis**£9.16**4.2★**▲ 34%**](https://www.amazon.co.uk/dp/B0FGB4SFH8) [**Natures Aid Folic Acid 400mcg Supports Prenatal Health Red Blood Cell Formation DNA Synthesis Vegan Non-GMO Gluten-Free High Potency Natural Supplement 90 Tablets**Natures Aid**£3.43**4.7★**▲ 27%**](https://www.amazon.co.uk/dp/B000GY75RQ) [**Vitabiotics Ultra Folic Acid Tablets 400 mcg Vitamin B12 - 60 Tablets**Vitabiotics Ultra**£3.00**4.7★**— 1%**](https://www.amazon.co.uk/dp/B01N8RII00) [**PuroSure Folic Acid Tablets 400 mcg 90 Tablets - Vitamin B9 Tablets - 3 Month Supply - Pregnancy Care - Normal Function of Immune System & Maternal Tissue Growth During Pregnancy**PuroSure**£3.04**4.7★**— 8%**](https://www.amazon.co.uk/dp/B0BLP76R5H)
**~~View all trending →~~**
## **What buyers say about vitamin d pregnancy supplement**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“Does what folic acid does so no complaints”*
**Value For Money**12%
*“Worth every penny”*
**Fertility/Conception**12%
*“helped me to have a healthy pregnancy”*
**Taste-Overall**9%
*“No nasty tastes”*
**Ease Of Chewing/Swallowing**9%
*“Soft chew, easy to consume”*
**Advertised Vs Actual Product**7%
*“As described”*
**Vitamin**6%
*“I must say they are affordable vitamin”*
**Ease Of Use**4%
*“Easy to use”*
**Nutritional Content**4%
*“Good basic folic acid supplement that does exactly what its meant to”*
**Side Effects**3%
*“No side effects”*
### **What buyers complain about **
**Functionality-Overall**11%
*“Didn't work for me”*
**Quality-Overall**9%
*“may need some improvements”*
**Side Effects**8%
*“I have no idea if these have helped or its just time healing my body”*
**Sweetness**7%
*“Too much sugar”*
**Vitamin**4%
*“Vitamin blends can sometimes be heavy on the stomach”*
**Iron**4%
*“so I cannot take supplements containing iron”*
**Size-Overall**4%
*“The tablet is too big”*
**Advertised Vs Actual Product**3%
*“not as per image”*
**Value For Money**3%
*“Not sure they're worth it”*
**Acid Regulator/Stomach Ache Relief**3%
*“Not good for everyone, bad acid reflux and nausea”*
### **Top return reasons **
**Advertised Vs Actual Product**100%
## **Common questions**
- **Is vitamin d pregnancy supplement profitable to sell on Amazon United Kingdom?**
- The niche generates £90K/yr across 11 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +25.5%. Flapen's verdict: Skip it (40/100).
- **How competitive is the vitamin d pregnancy supplement niche?**
- 8 brands and 119 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in vitamin d pregnancy supplement?**
- Top complaints mined from reviews: Functionality-Overall, Quality-Overall, Side Effects. The return rate is 0.1%.
- **When does demand for vitamin d pregnancy supplement peak?**
- Demand peaks in Jan–Feb–Mar–Oct; the busiest month runs 7.8× the quietest.
- **What does it cost to enter the vitamin d pregnancy supplement niche?**
- Listings span £2.75–£10.58; the average listing price is £6.08 (sweet spot $15–$100). The average incumbent carries 3,838 reviews — the moat a new listing must climb.
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