---
title: "Vitamin D — $18K/yr Amazon SG Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/sg/health-household-and-personal-care/vitamin-d"
last_updated: "2026-08-06T04:52:16.376Z"
locale: en
meta:
description: "Niche score 42/100 · $18K/yr market · 19K searches/yr · $19.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $18K/yr market · 19K searches/yr · $19.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Vitamin D — $18K/yr Amazon SG Niche (2026) - Flapen"
---
# **vitamin d**
**Skip it**
A small market ($18K/yr) — this niche doesn't clear our bar today.
Market size 4Growth 20Conversion 57Competition 54Returns 100Price range 75Avg price 87Brand share 37Review moat 17Quality gap 19
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$19.61**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.59–$39.93**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****4.8%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-11.0%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****19,511.04**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$18K**
$18K/yr · 19K searches
According to Flapen's Amazon Singapore niche tracking, vitamin d is a $18K/yr Amazon Singapore market (19K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 42/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin d market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$29K–$39K**
- units × avg price
- **Conversion rate**
- **4.8%**
- **Avg BSR**
- **#655**
- **Page quality**
- **0%**
- **Prime**
- **72%**
- **Sponsored**
- **24%**
- **Out of stock**
- **8.2%**
- **Avg brand age**
- **105 months**
- **Avg seller age**
- **0 days**
## **Competition & brand share**
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▼falling
**Sellers**
**26**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**53%**
Top 20: 94%
**Open market**
**12%**
- Now Foods49% - NatureWise12% - THORNE8% - Nature's Bounty8% - Nature Made6% - Doctor's Best5% - Open — no brand owns it (6 brands, 12%)
## **Demand**
Weekly Amazon search volume, last 47 weeks — -11.0% search growth over the last 90 days.
600400Spike '25Black Friday '25Spike '26Aug '25Oct '25Dec '25Jan '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/sg/health-household-and-personal-care/vitamin-d/trend)
## **Top vitamin d 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%5%$88210%$2K15%$3K20%$4K1101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Now Foods Supplements Vitamin D3 5000 IU High Potency Structural Support Softgels 240 Count**Now Foods**$17.18**4.8★40,802 rev](https://www.amazon.sg/dp/B0032BH76O) [2**NatureWise Vitamin D3 5000iu (125 mcg) 1 Year Supply for Healthy Muscle Function and Immune Support Non-GMO Gluten Free in Cold-Pressed Olive Oil Packaging Vary (Mini Softgel) 360 Count**NatureWise**$20.60**4.8★139,663 rev](https://www.amazon.sg/dp/B00GB85JR4) [3**NOW Foods Supplements Vitamin D-3 2 000 IU High Potency Structural Support 240 Softgels**Now Foods**$13.67**4.8★20,588 rev](https://www.amazon.sg/dp/B001UZPY1O) [4**Now Foods Vitamin D-3 1000 IU Softgels 180ct**Now Foods**$8.31**4.8★4,752 rev](https://www.amazon.sg/dp/B000A0LE6O) [5**Nature Made Vitamin D3 1000 IU (25 mcg) Dietary Supplement for Bone Teeth Muscle and Immune Health Support 300 Softgels 300 Day Supply**Nature Made**$20.56**4.8★46,224 rev](https://www.amazon.sg/dp/B004U3Y8OM)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Thorne Vitamin D Liquid - Vitamin D Supplement - Supports Healthy Bones and Muscles Cardiovascular Health and Immune Function* - 1 Fl Oz (30 ml)- 600 Servings**THORNE**$31.14**1,010 rev2y ago](https://www.amazon.sg/dp/B0797FS9ZP) [**Swanson Vitamin D3 - Highest Potency 5 000 Iu (125 mcg) 250 Sgels Bone Immune Cardiovascular Calcium Absorption Mood Muscle and Metabolic Health**Swanson**$16.11**1,702 rev2y ago](https://www.amazon.sg/dp/B004H57BKG) [**Thorne Vitamin D-1000 - Vitamin D3 Supplement - 1 000 IU - Support Healthy Bones Teeth Muscles Cardiovascular and Immune Function - Gluten-Free Dairy-Free Soy-Free - 90 Capsules**THORNE**$29.97**3,397 rev3y ago](https://www.amazon.sg/dp/B0797H3VQS) [**Ultiboost Vitamin D3 1000Iu Capsule (Support Strong Healthy Bones) 60S**Swisse**$21.62**1 rev4y ago](https://www.amazon.sg/dp/B0B6BZWF7Q) [**Blackmores Sunny D 1000 Gold Capsules 60s**Blackmores**$20.00**2 rev4y ago](https://www.amazon.sg/dp/B09Q64LY1V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Natures Bounty Vitamin D3 Immune Support 125 mcg (5000iu) Rapid Release Softgels 240 Ct**Nature's Bounty**$22.04**4.8★**▲ 92%**](https://www.amazon.sg/dp/B00DN4VCA2) [**Now Foods Supplements Vitamin D3 5000 IU High Potency Structural Support Softgels 240 Count**Now Foods**$17.18**4.8★**▲ 66%**](https://www.amazon.sg/dp/B0032BH76O) [**Solgar Vitamin D3 Cholecalciferol 250 MCG 10000 IU Softgels Helps Maintain Healthy Bones Teeth Immune System Support Non GMO Gluten Free Dairy Free Servings 180 Count**Solgar**$22.83**4.8★**▲ 52%**](https://www.amazon.sg/dp/B08JH7HCB1) [**GNC 1000 IU Vitamin D3 180 Tablets**GNC**$35.41**4.6★**▲ 51%**](https://www.amazon.sg/dp/B084Z49VR3) [**NOW Supplements Vitamin D-3 50 000 IU Softgels 50 softgels**Now Foods**$18.46**4.8★**▲ 41%**](https://www.amazon.sg/dp/B09319WFSB)
**~~View all trending →~~**
## **What buyers say about vitamin d**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**33%
*“Good supplement”*
**Nutritional Content**33%
*“Big Brand in Dietary supplement market”*
**Value For Money**11%
*“Offering excellent value”*
**Ease Of Chewing/Swallowing**11%
*“easy to swallow”*
**Ease Of Use**11%
*“making them convenient for everyday use”*
### **Top return reasons **
**Vegan/Organic**100%
## **Common questions**
- **Is vitamin d profitable to sell on Amazon Singapore?**
- The niche generates $18K/yr across 25 tracked products. 90-day search growth is -11.0%. Flapen's verdict: Skip it (42/100).
- **How competitive is the vitamin d niche?**
- 12 brands and 26 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 83% of demand.
- **What does it cost to enter the vitamin d niche?**
- Listings span $6.59–$39.93; the average listing price is $19.61 (sweet spot $15–$100). The average incumbent carries 19,511 reviews — the moat a new listing must climb.
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