---
title: "Ascorbic Acid — $1.0M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/ascorbic-acid"
last_updated: "2026-08-06T17:13:51.398Z"
locale: en
meta:
description: "Niche score 62/100 · $1.0M/yr market · 429K searches/yr · $20.77 avg price. Clears our launch bar. Data updated Jul 2026."
"og:description": "Niche score 62/100 · $1.0M/yr market · 429K searches/yr · $20.77 avg price. Clears our launch bar. Data updated Jul 2026."
"og:title": "Ascorbic Acid — $1.0M/yr Amazon US Niche (2026) - Flapen"
---
# **ascorbic acid**
**Launch it**
A $1.0M/yr market growing +13.8% this quarter with returns at 0.1% — clears our launch bar.
Market size 78Growth 42Conversion 92Competition 52Returns 99Price range 80Avg price 89Brand share 53Review moat 31Quality gap 20
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.3%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$20.77**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.15–$52.65**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Great****$1.0M**
$1.0M/yr · 429K searches
**Brand share**
**Good****73%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+13.8%**
90-day search growth — must beat 0% to launch
**Review moat**
**Okay****3,408.64**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, ascorbic acid is a $1.0M/yr Amazon United States market (429K searches/yr). The top 5 brands hold 73% of demand. Verdict: Launch it — 62/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ascorbic acid market data**
- **Units sold / yr**
- **40K–50K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$831K–$1.0M**
- units × avg price
- **Conversion rate**
- **11.3%**
- **Avg BSR**
- **#251**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **97%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **88 months**
- **Avg seller age**
- **146 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▲rising
**Sellers**
**57**
**Top-5 brand share**
**73%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 89%
**Open market**
**24%**
- Pure Encapsulations34% - PURE ORIGINAL INGREDIENTS12% - Spicy World12% - Nutricost9% - BulkSupplements6% - NutriBiotic3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +13.8% search growth over the last 90 days.
10K6KSpike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/ascorbic-acid/trend)
## **Top ascorbic acid search terms**
- **ascorbic acid**91K/yr+21.2%9.8% conv. - **ascorbic acid powder**79K/yr+45.8%12.1% conv. - **pure vitamin c**64K/yr-9.7%10.1% conv. - **ascorbic acid vitamin c**44K/yr+8.9%7.8% conv. - **pure encapsulations vitamin c**34K/yr+8.3%11.2% conv. - **ascorbic acid powder food grade**15K/yr+12.3%12.3% conv. - **vitamin c ascorbic acid**13K/yr+2.0%6.5% conv. - **vitamin c pure**12K/yr+12.5%5.5% conv. - **acido ascorbico**11K/yr+23.1%2.1% conv. - **vitamin c pure encapsulations**10K/yr-10.8%14.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/ascorbic-acid/search-terms)
## **Top ascorbic acid 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%4%$40K8%$81K12%$121K16%$162K1001K10K 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**Pure Encapsulations Ascorbic Acid Capsules - 1 000 mg Vitamin C - Antioxidant & Immune Support* - High-Potency Vitamin C - Vegan & Non-GMO - 90 Capsules**Pure Encapsulations**$21.50**4.8★2,545 rev](https://www.amazon.com/dp/B000GX7E8W) [2**PURE ORIGINAL INGREDIENTS Vitamin C Powder (1 lb) Ascorbic Acid Non GMO Dietary Supplement**PURE ORIGINAL INGREDIENTS**$9.47**4.6★7,108 rev](https://www.amazon.com/dp/B07663FG95) [3**Spicy World Ascorbic Acid 1 LB Bulk Bag - Pure Vitamin C Powder - 100% Pure Food Grade Can be Used for Canning Fruit Pools - USP Grade**Spicy World**$9.87**4.7★621 rev](https://www.amazon.com/dp/B0B2K61R39) [4**Pure Encapsulations Liposomal Vitamin C - Immune Support Supplement* - Antioxidant Nourishment - Daily Vitamin - Non-GMO & Gluten Free - 120 Capsules**Pure Encapsulations**$35.28**4.8★392 rev](https://www.amazon.com/dp/B0CQ6FQWCL) [5**Pure Encapsulations Ascorbic Acid Capsules - 1 000 mg Vitamin C - Antioxidant & Immune Support* - High-Potency Vitamin C - Vegan & Non-GMO - 250 Capsules**Pure Encapsulations**$52.65**4.8★2,545 rev](https://www.amazon.com/dp/B0017Q55CY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Luonix Vitamin C Powder 8 Lb**Luonix**$40.11**287 rev2y ago](https://www.amazon.com/dp/B0CS8M7R97) [**Pure Encapsulations Liposomal Vitamin C - Immune Support Supplement* - Antioxidant Nourishment - Daily Vitamin - Non-GMO & Gluten Free - 120 Capsules**Pure Encapsulations**$35.28**392 rev2y ago](https://www.amazon.com/dp/B0CQ6FQWCL) [**BulkSupplements.com Ascorbic Acid Capsules - Ascorbic Acid Vitamin C 1000mg Vitamin C Supplement - Vegan & Gluten Free 2 Capsules per Serving 360 Count (Pack of 1)**BulkSupplements**$20.21**187 rev2y ago](https://www.amazon.com/dp/B0CFWTRQSL) [**Spicy World Ascorbic Acid 1 LB Bulk Bag - Pure Vitamin C Powder - 100% Pure Food Grade Can be Used for Canning Fruit Pools - USP Grade**Spicy World**$9.87**621 rev4y ago](https://www.amazon.com/dp/B0B2K61R39) [**THORNE - Vitamin C 500 mg - Blend of Vitamin C and Citrus Bioflavonoids from Oranges - Supports Immune System Cellular Energy Production & Collagen Synthesis* - Third-Party Certified - 90 Servings**THORNE**$21.99**3,588 rev4y ago](https://www.amazon.com/dp/B09FYFM7N3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nutricost Ascorbic Acid Powder (Vitamin C) 0.5 LBS (8.1 Ounce)**Nutricost**$11.87**4.7★**▲ 102%**](https://www.amazon.com/dp/B00WFDWABM) [**NutriBiotic Ascorbic Acid Vitamin C Powder 8 Oz | Pharmaceutical Grade L-Ascorbic Acid 2000 Mg Per Serving | Essential Immune & Antioxidant Collagen Support Supplement | Vegan Gluten & GMO Free**NutriBiotic**$12.29**4.7★**▲ 73%**](https://www.amazon.com/dp/B0017UW5RS) [**BulkSupplements.com Ascorbic Acid Powder - Vitamin C Supplement for Immune Support - Ascorbic Acid Food Grade Gluten Free 1g per Serving 500g (1.1 lbs) (Pack of 1)**BulkSupplements**$22.26**4.6★**▲ 72%**](https://www.amazon.com/dp/B00AYIM9ZC) [**The Ordinary 100% L-Ascorbic Acid Powder Vitamin C Treatment for Anti-Aging 0.7 Ounce**The Ordinary**$6.65**4.6★**▲ 71%**](https://www.amazon.com/dp/B07BR34FTM) [**Best Naturals 100% Pure Vitamin C Powder 1 lb (454 Grams) Powder (Also Called Ascorbic Acid)**Best Naturals**$12.60**4.5★**▲ 60%**](https://www.amazon.com/dp/B01C4LER42)
**~~View all trending →~~**
## **What buyers say about ascorbic acid**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**24%
*“High Quality and Easy to Tolerate”*
**Vitamin**20%
*“Great vitamin”*
**Value For Money**9%
*“Good value for money”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Efficiency**3%
*“It does the job”*
**Immunity Booster**2%
*“protects my immune system”*
**Ease Of Use**2%
*“Easy to use”*
**Ease Of Chewing/Swallowing**2%
*“The capsules are easy to take”*
**Suitability Combination Skin**2%
*“Good for sensitive skin”*
**Taste-Overall**2%
*“Great taste”*
### **What buyers complain about **
**Functionality-Overall**7%
*“its still did not perform well”*
**Vitamin**5%
*“This does not taste like 100% Vitamin C. It tastes weak”*
**Adhesion/Stickiness**5%
*“Leaves sticky residue on your face”*
**Taste-Overall**4%
*“Taste disgusting”*
**Ease Of Chewing/Swallowing**4%
*“Impossible to swallow”*
**Size-Overall**3%
*“The pills are small”*
**Dosage**3%
*“Serving size is 3 capsules meaning each has an odd concentration - 666.6666mg each which is just odd”*
**Stain Resistance**3%
*“Metal stains in pool”*
**Color**3%
*“They are not gold in color”*
**Symptom Reduction**3%
*“I saw no results”*
### **Top return reasons **
**Advertised Vs Actual Product**13%
**Functionality-Overall**13%
**Value For Money**8%
**Adhesion/Stickiness**7%
**Skin Health**6%
**Moist/Dry**6%
**Suitability Combination Skin**5%
**Smell**5%
**Product Condition**5%
**Texture/Consistency-Overall**3%
## **Common questions**
- **Is ascorbic acid profitable to sell on Amazon United States?**
- The niche generates $1.0M/yr across 33 tracked products. 90-day search growth is +13.8%. Flapen's verdict: Launch it (62/100).
- **How competitive is the ascorbic acid niche?**
- 18 brands and 57 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 73% of demand.
- **What do buyers complain about in ascorbic acid?**
- Top complaints mined from reviews: Functionality-Overall, Vitamin, Adhesion/Stickiness. The return rate is 0.1%.
- **When does demand for ascorbic acid peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the ascorbic acid niche?**
- Listings span $6.15–$52.65; the average listing price is $20.77 (sweet spot $15–$100). The average incumbent carries 3,409 reviews — the moat a new listing must climb.
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