---
title: "Real Good Essentials Vitamin D3 K2 — $261K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/real-good-essentials-vitamin-d3-k2"
last_updated: "2026-08-11T11:44:36.687Z"
locale: en
meta:
description: "Niche score 39/100 · $261K/yr market · 98K searches/yr · $32.12 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:description": "Niche score 39/100 · $261K/yr market · 98K searches/yr · $32.12 avg price. Doesn't clear our bar today. Data updated Aug 2026."
"og:title": "Real Good Essentials Vitamin D3 K2 — $261K/yr Amazon US Niche (2026) - Flapen"
---
# **real good essentials vitamin d3 k2**
**Skip it**
Soft demand (-54.7% this quarter) — this niche doesn't clear our bar today.
Market size 48Growth 0Conversion 80Competition 0Returns 100Price range 95Avg price 95Brand share 0Review moat 28Quality gap 28
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$32.12**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$22.91–$49.08**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.3%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$261K**
$261K/yr · 98K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****3,688.4**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-54.7%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, real good essentials vitamin d3 k2 is a $261K/yr Amazon United States market (98K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 39/100.
Data updated Aug 5, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **real good essentials vitamin d3 k2 market data**
- **Units sold / yr**
- **8K–10K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$257K–$321K**
- units × avg price
- **Conversion rate**
- **8.3%**
- **Avg BSR**
- **#238**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **16.4%**
- **Avg brand age**
- **65 months**
- **Avg seller age**
- **161 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▲rising
**Sellers**
**11**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- REAL GOOD ESSENTIALS43% - LUNESSA27% - Megacephalus17% - Micro Ingredients10% - QVQ3%
## **Demand**
Weekly Amazon search volume, last 27 weeks — -54.7% search growth over the last 90 days.
6K4KSpike '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/health-household/real-good-essentials-vitamin-d3-k2/trend)
## **Top real good essentials vitamin d3 k2 search terms**
- **real good essentials vitamin d3 k2**39K/yr-54.5%8.4% conv. - **realgood essentials vitamin d3 k2**17K/yr-41.7%8.0% conv. - **real good vitamin d3 k2**17K/yr-57.8%9.2% conv. - **real good essentials**4K/yr-48.4%2.4% conv. - **realgood d3 k2**8K/yr-71.2%8.9% conv. - **real good d3 k2**7K/yr-64.8%9.0% conv. - **real good essentials d3 k2**6K/yr-60.9%7.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/real-good-essentials-vitamin-d3-k2/search-terms)
## **Top real good essentials vitamin d3 k2 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%15%$39K30%$78K45%$118K60%$157K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 5 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**RealGood Essentials Vitamin D3 K2 D3 K2 Vitamin Supplement 10000 IU 300ct**REAL GOOD ESSENTIALS**$49.08**4.9★59 rev](https://www.amazon.com/dp/B0GT6Z25WM) [2**LUNESSA Real Good Essentials Vitamin D3K2 300 Softgels**LUNESSA**$29.15**4.6★79 rev](https://www.amazon.com/dp/B0G3486Q3N) [3**Megacephalus Real Good Essentials Vitamin D3 K2 Essentials D3+K2 (MK7) Coconut Oil 300 Softgels with Vitamins D & K (1)**Megacephalus**$28.16**4.0★42 rev](https://www.amazon.com/dp/B0FXGV9VSQ) [4**Micro Ingredients Vitamin D3 K2 MK-7 10 000 IU Per Serving 300 Softgels**Micro Ingredients**$31.32**4.7★17,743 rev](https://www.amazon.com/dp/B07YMJLTR6) [5**QVQ 300 Pcs 2 in 1 Vitamin D3 10000 iu Plus K2 (MK-7) 200 mcg Virgin Coconut Oil Softgels with Vitamins D & K Supports Calcium Absorption Bone Immune & Heart Health Easy to Swallow**QVQ**$22.91**4.7★519 rev](https://www.amazon.com/dp/B0DQL873Y2)
### **Newest**
by launch date
[**RealGood Essentials Vitamin D3 K2 D3 K2 Vitamin Supplement 10000 IU 300ct**REAL GOOD ESSENTIALS**$49.08**59 rev4mo ago](https://www.amazon.com/dp/B0GT6Z25WM) [**LUNESSA Real Good Essentials Vitamin D3K2 300 Softgels**LUNESSA**$29.15**79 rev8mo ago](https://www.amazon.com/dp/B0G3486Q3N) [**Megacephalus Real Good Essentials Vitamin D3 K2 Essentials D3+K2 (MK7) Coconut Oil 300 Softgels with Vitamins D & K (1)**Megacephalus**$28.16**42 rev9mo ago](https://www.amazon.com/dp/B0FXGV9VSQ) [**QVQ 300 Pcs 2 in 1 Vitamin D3 10000 iu Plus K2 (MK-7) 200 mcg Virgin Coconut Oil Softgels with Vitamins D & K Supports Calcium Absorption Bone Immune & Heart Health Easy to Swallow**QVQ**$22.91**519 rev1y ago](https://www.amazon.com/dp/B0DQL873Y2) [**Micro Ingredients Vitamin D3 K2 MK-7 10 000 IU Per Serving 300 Softgels**Micro Ingredients**$31.32**17,743 rev10y ago](https://www.amazon.com/dp/B07YMJLTR6)
### **Trending**
90-day click momentum
[**RealGood Essentials Vitamin D3 K2 D3 K2 Vitamin Supplement 10000 IU 300ct**REAL GOOD ESSENTIALS**$49.08**4.9★**▲ 393%**](https://www.amazon.com/dp/B0GT6Z25WM) [**LUNESSA Real Good Essentials Vitamin D3K2 300 Softgels**LUNESSA**$29.15**4.6★**▲ 65%**](https://www.amazon.com/dp/B0G3486Q3N) [**Megacephalus Real Good Essentials Vitamin D3 K2 Essentials D3+K2 (MK7) Coconut Oil 300 Softgels with Vitamins D & K (1)**Megacephalus**$28.16**4.0★**▲ 25%**](https://www.amazon.com/dp/B0FXGV9VSQ) [**Micro Ingredients Vitamin D3 K2 MK-7 10 000 IU Per Serving 300 Softgels**Micro Ingredients**$31.32**4.7★**▼ 74%**](https://www.amazon.com/dp/B07YMJLTR6) [**QVQ 300 Pcs 2 in 1 Vitamin D3 10000 iu Plus K2 (MK-7) 200 mcg Virgin Coconut Oil Softgels with Vitamins D & K Supports Calcium Absorption Bone Immune & Heart Health Easy to Swallow**QVQ**$22.91**4.7★**▼ 87%**](https://www.amazon.com/dp/B0DQL873Y2)
## **What buyers say about real good essentials vitamin d3 k2**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**20%
*“The vitamin D levels are perfect”*
**Quality-Overall**16%
*“Good product and came in good conditions”*
**Ease Of Chewing/Swallowing**10%
*“The capsules are easy to take”*
**Value For Money**9%
*“Good value”*
**Ease Of Use**4%
*“Easy to use”*
**Dosage**4%
*“Convenient once-daily dosing”*
**Nutritional Content**3%
*“Great quality and value for daily nutritional support”*
**Ingredients-Overall**3%
*“The ingredients are clean”*
**Taste-Overall**2%
*“Delicious product”*
**Efficiency**2%
*“Very Effective”*
### **What buyers complain about **
**Vitamin**15%
*“My Vitamins Turned Rancid”*
**Dosage**10%
*“This is an extremely high dose”*
**Size-Overall**7%
*“Extra Small capsules”*
**Side Effects**5%
*“Side effects”*
**Calcium**4%
*“no more calcium deposits”*
**Value For Money**3%
*“they've gotten stupid expensive”*
**Taste-Overall**3%
*“The pill has no taste”*
**Heart Health**2%
*“My husband has a blood disorder not good for his platelets”*
**Advertised Vs Actual Product**2%
*“False advertisement”*
**Quality-Overall**2%
*“the quality is very low”*
### **Top return reasons **
**Dosage**75%
**Ingredients-Overall**25%
## **Common questions**
- **Is real good essentials vitamin d3 k2 profitable to sell on Amazon United States?**
- The niche generates $261K/yr across 5 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -54.7%. Flapen's verdict: Skip it (39/100).
- **How competitive is the real good essentials vitamin d3 k2 niche?**
- 5 brands and 11 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in real good essentials vitamin d3 k2?**
- Top complaints mined from reviews: Vitamin, Dosage, Size-Overall. The return rate is 0.0%.
- **What does it cost to enter the real good essentials vitamin d3 k2 niche?**
- Listings span $22.91–$49.08; the average listing price is $32.12 (sweet spot $15–$100). The average incumbent carries 3,688 reviews — the moat a new listing must climb.
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