---
title: "Vitamin C Crystals — $33K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/vitamin-c-crystals"
last_updated: "2026-08-09T17:55:23.002Z"
locale: en
meta:
description: "Niche score 36/100 · $33K/yr market · 23K searches/yr · $19.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · $33K/yr market · 23K searches/yr · $19.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Vitamin C Crystals — $33K/yr Amazon US Niche (2026) - Flapen"
---
# **vitamin c crystals**
**Skip it**
Brand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Market size 8Growth 21Conversion 77Competition 16Returns 100Price range 78Avg price 87Brand share 7Review moat 25Quality gap 18
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$19.65**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.64–$38.16**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****7.4%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****4,341.8**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-7.5%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****81%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$33K**
$33K/yr · 23K searches
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, vitamin c crystals is a $33K/yr Amazon United States market (23K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 36/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin c crystals market data**
- **Units sold / yr**
- **3K–3K**
- avg 250–500/product
- **Revenue / yr**
- **$49K–$59K**
- units × avg price
- **Conversion rate**
- **7.4%**
- **Avg BSR**
- **#652**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **60%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **145 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**33**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**81%**
Top 20: 100%
**Open market**
**0%**
- NOW Foods47% - Emergen-C32% - Bronson9% - Carlson6% - PURE ORIGINAL INGREDIENTS3% - Nutricost3% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 30 weeks — -7.5% search growth over the last 90 days.
600400Spike '26Jan '26Feb '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/health-household/vitamin-c-crystals/trend)
## **Top vitamin c crystals 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%$3K20%$7K30%$10K40%$13K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NOW Foods Supplements Vitamin C Crystals (Ascorbic Acid) Powder Antioxidant Protection* 8-Ounce**NOW Foods**$8.64**4.7★5,601 rev](https://www.amazon.com/dp/B00028LX1U) [2**Emergen-C Vitamin C 500mg Immune Support Crystals Orange 56 Packets**Emergen-C**$27.45**4.7★2,671 rev](https://www.amazon.com/dp/B0BSV1XGXR) [3**Emergen-C Immune Plus Crystals On-the-Go Immune Support Supplement with Vitamin C Vitamin D B Vitamins Zinc and Manganese Berry Lemonade Back to School Essentials - 28 Stick Packs**Emergen-C**$15.33**4.8★1,706 rev](https://www.amazon.com/dp/B0D61Y4C7J) [4**NOW Supplements Vitamin C Crystals (Ascorbic Acid) Antioxidant Protection* 1-Pound**NOW Foods**$15.76**4.7★5,601 rev](https://www.amazon.com/dp/B0013OUMVO) [5**Bronson Vitamin C Powder Pure Ascorbic Acid Soluble Fine Non GMO Crystals Promotes Healthy Immune System and Cell Protection Powerful Antioxidant - 1 Kilogram (2.2 Lbs)**Bronson**$29.90**4.7★4,505 rev](https://www.amazon.com/dp/B000701NUO)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Emergen-C Immune Plus Crystals On-the-Go Immune Support Supplement with Vitamin C Vitamin D B Vitamins Zinc and Manganese Berry Lemonade Back to School Essentials - 28 Stick Packs**Emergen-C**$15.33**1,706 rev2y ago](https://www.amazon.com/dp/B0D61Y4C7J) [**Emergen-C Vitamin C 500mg Immune Support Crystals Orange 56 Packets**Emergen-C**$27.45**2,671 rev3y ago](https://www.amazon.com/dp/B0BSV1XGXR) [**Emergen-C Kidz Vitamin C 250mg Crystals Strawberry 56 Packets**Emergen-C**$20.78**1,930 rev3y ago](https://www.amazon.com/dp/B0BTMDYHJ3) [**PURE ORIGINAL INGREDIENTS Vitamin C Powder (1 lb) Ascorbic Acid Non GMO Dietary Supplement**PURE ORIGINAL INGREDIENTS**$9.47**7,108 rev8y ago](https://www.amazon.com/dp/B07663FG95) [**Nutricost Pure Ascorbic Acid Powder (1LB) Unflavored Vitamin C Powder**Nutricost**$16.62**8,369 rev11y ago](https://www.amazon.com/dp/B00WFDWAEY)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**NOW Foods Supplements Vitamin C Crystals (Ascorbic Acid) Antioxidant Protection* 3-Pound**NOW Foods**$38.16**4.7★**▲ 33%**](https://www.amazon.com/dp/B0013OQIIK) [**Carlson Labs Non GMO Vitamin C Crystals 6 Ounce**Carlson**$14.38**4.7★**▲ 20%**](https://www.amazon.com/dp/B00M9B11OM) [**NOW Foods Supplements Vitamin C Crystals (Ascorbic Acid) Powder Antioxidant Protection* 8-Ounce**NOW Foods**$8.64**4.7★**▲ 16%**](https://www.amazon.com/dp/B00028LX1U) [**Nutricost Pure Ascorbic Acid Powder (1LB) Unflavored Vitamin C Powder**Nutricost**$16.62**4.7★**▲ 14%**](https://www.amazon.com/dp/B00WFDWAEY) [**PURE ORIGINAL INGREDIENTS Vitamin C Powder (1 lb) Ascorbic Acid Non GMO Dietary Supplement**PURE ORIGINAL INGREDIENTS**$9.47**4.6★**— 7%**](https://www.amazon.com/dp/B07663FG95)
**~~View all trending →~~**
## **What buyers say about vitamin c crystals**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**18%
*“This is pure about as pure tasting as I can get”*
**Vitamin**12%
*“Absolutely the perfect way to get my vitamins on the Go”*
**Ease Of Use**11%
*“Easy and convenient”*
**Flavor**8%
*“Good flavor”*
**Quality-Overall**7%
*“Good Quality”*
**Value For Money**6%
*“Good value for the money”*
**Immunity Booster**5%
*“Immunity booster”*
**Cold Relief**5%
*“Helps fight colds”*
**Solubility**4%
*“Dissolves easily”*
**Dosage**2%
*“I start dosing”*
### **What buyers complain about **
**Sour**8%
*“Tasted sour”*
**Dosage**6%
*“not wanting to take big pills”*
**Value For Money**6%
*“everything is getting more expensive”*
**Advertised Vs Actual Product**6%
*“Inaccurate / incomplete website description”*
**Taste-Overall**5%
*“BUT I hateeeeee the taste”*
**Bitter**5%
*“Very bitter”*
**Flavor**4%
*“Sadly my kids dont like the flavor :”*
**Acid Regulator/Stomach Ache Relief**3%
*“Caused stomach pain”*
**Iron**3%
*“My pool steps have iron stains”*
**Balance/Stability**3%
*“most unstable in this powder form”*
### **Top return reasons **
**Ingredients-Overall**50%
**Size-Overall**50%
## **Common questions**
- **Is vitamin c crystals profitable to sell on Amazon United States?**
- The niche generates $33K/yr across 10 tracked products. 90-day search growth is -7.5%. Flapen's verdict: Skip it (36/100).
- **How competitive is the vitamin c crystals niche?**
- 6 brands and 33 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in vitamin c crystals?**
- Top complaints mined from reviews: Sour, Dosage, Value For Money. The return rate is 0.0%.
- **What does it cost to enter the vitamin c crystals niche?**
- Listings span $8.64–$38.16; the average listing price is $19.65 (sweet spot $15–$100). The average incumbent carries 4,342 reviews — the moat a new listing must climb.
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