ascorbic acid
Launch itA $1.0M/yr market growing +13.8% this quarter with returns at 0.1% — clears our launch bar.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great11.3%search→purchase rate — share of searches ending in a sale
Avg price
Great$20.77avg listing price — sweet spot $15–$100
Price range
Great$6.15–$52.65cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Great$1.0M$1.0M/yr · 429K searches
Brand share
Good73%top-5 brand share — brands hold most of the demand
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Growth
Okay+13.8%90-day search growth — must beat 0% to launch
Review moat
Okay3,408.64avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★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
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.No pronounced peak months · busiest ÷ quietest = 1.4×
Top ascorbic acid search terms
- ascorbic acid91K/yr
- ascorbic acid powder79K/yr
- pure vitamin c64K/yr
- ascorbic acid vitamin c44K/yr
- pure encapsulations vitamin c34K/yr
- ascorbic acid powder food grade15K/yr
- vitamin c ascorbic acid13K/yr
- vitamin c pure12K/yr
- acido ascorbico11K/yr
- vitamin c pure encapsulations10K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Pure Encapsulations Ascorbic Acid Capsules - 1 000 mg Vitamin C - Antioxidant & Immune Support* - High-Potency Vitamin C - Vegan & Non-GMO - 90 Capsules
Pure Encapsulations$21.504.8★2,545 rev
PURE ORIGINAL INGREDIENTS Vitamin C Powder (1 lb) Ascorbic Acid Non GMO Dietary Supplement
PURE ORIGINAL INGREDIENTS$9.474.6★7,108 rev
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$9.874.7★621 rev
Pure Encapsulations Liposomal Vitamin C - Immune Support Supplement* - Antioxidant Nourishment - Daily Vitamin - Non-GMO & Gluten Free - 120 Capsules
Pure Encapsulations$35.284.8★392 rev
Pure Encapsulations Ascorbic Acid Capsules - 1 000 mg Vitamin C - Antioxidant & Immune Support* - High-Potency Vitamin C - Vegan & Non-GMO - 250 Capsules
Pure Encapsulations$52.654.8★2,545 rev
Newest
by launch date
Luonix Vitamin C Powder 8 Lb
Luonix$40.11287 rev
Pure Encapsulations Liposomal Vitamin C - Immune Support Supplement* - Antioxidant Nourishment - Daily Vitamin - Non-GMO & Gluten Free - 120 Capsules
Pure Encapsulations$35.28392 rev
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$20.21187 rev
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$9.87621 rev
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$21.993,588 rev
Trending
90-day click momentum
Nutricost Ascorbic Acid Powder (Vitamin C) 0.5 LBS (8.1 Ounce)
Nutricost$11.874.7★
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$12.294.7★
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$22.264.6★
The Ordinary 100% L-Ascorbic Acid Powder Vitamin C Treatment for Anti-Aging 0.7 Ounce
The Ordinary$6.654.6★
Best Naturals 100% Pure Vitamin C Powder 1 lb (454 Grams) Powder (Also Called Ascorbic Acid)
Best Naturals$12.604.5★
What buyers say about ascorbic acid
What buyers praise and complain about, mined from review topics.What buyers love
“High Quality and Easy to Tolerate”
“Great vitamin”
“Good value for money”
“As advertised”
“It does the job”
“protects my immune system”
“Easy to use”
“The capsules are easy to take”
“Good for sensitive skin”
“Great taste”
What buyers complain about
“its still did not perform well”
“This does not taste like 100% Vitamin C. It tastes weak”
“Leaves sticky residue on your face”
“Taste disgusting”
“Impossible to swallow”
“The pills are small”
“Serving size is 3 capsules meaning each has an odd concentration - 666.6666mg each which is just odd”
“Metal stains in pool”
“They are not gold in color”
“I saw no results”
Top return reasons
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.