buffered vitamin c
Worth a lookShows low returns (0.0%), but strong incumbent ratings (4.7★) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$23.30avg listing price — sweet spot $15–$100
Conversion
Great10.6%search→purchase rate — share of searches ending in a sale
Price range
Great$7.96–$63.70cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay55%top-5 click share — leaders hold, buyers still browse
Brand share
Okay75%top-5 brand share — brands hold most of the demand
Review moat
Okay1,539.25avg incumbent reviews — the moat a new listing must climb
Market size
Okay$237K$237K/yr · 96K searches
Growth
Bad-3.3%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, buffered vitamin c is a $237K/yr Amazon United States market (96K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Jan. Verdict: Worth a look — 55/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
buffered vitamin c market data
- Units sold / yr
- 10K–13K
- avg 500–750/product
- Revenue / yr
- $233K–$291K
- units × avg price
- Conversion rate
- 10.6%
- Avg BSR
- #467
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 0.0%
- Avg brand age
- 123 months
- Avg seller age
- 158 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
15 rising
Sellers
571
Top-5 brand share
75%
Top 20: 100%
Top-5 click share
55%
Top 20: 95%
Open market
20%
- Integrative Therapeutics24%
- NOW Foods22%
- Pure Encapsulations14%
- 365 by Whole Foods Market10%
- Allergy Research Group5%
- THORNE5%
Demand & seasonality
Weekly Amazon search volume, last 100 weeks — -3.3% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 2.0×
Top buffered vitamin c search terms
- buffered vitamin c72K/yr
- vitamin c buffered9K/yr
- buffered vitamin c 500mg6K/yr
- buffered vitamin c 1000mg6K/yr
- buffered c3K/yr
Top buffered vitamin c 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
Integrative Therapeutics Buffered Vitamin C 1 000 mg - Easy Daily Immune Support with Magnesium & Calcium* - Antioxidant Support for Healthy Skin & Connective Tissues* - 60 Vegan Capsules 1
Integrative Therapeutics$14.864.8★2,184 rev
NOW Supplements Vitamin C-1000 Complex with 250 mg of Bioflavonoids Buffered Antioxidant Protection* 90 Tablets
NOW Foods$11.764.7★1,852 rev
Pure Encapsulations Buffered Ascorbic Acid Capsules | Vitamin C for Sensitive Individuals* | 90 Capsules
Pure Encapsulations$25.884.8★745 rev
Integrative Therapeutics Buffered Vitamin C 1 000 mg - Easy Daily Immune Support with Magnesium & Calcium* - Antioxidant Support for Healthy Skin & Connective Tissues* - 60 Vegan Capsules 2
Integrative Therapeutics$29.604.8★2,184 rev
365 by Whole Foods Market Buffered Vitamin C Complex Vegan 60 Capsules
365 by Whole Foods Market$7.964.7★442 rev
Newest
by launch date
Buffered Vitamin C 1500mg Non-Acidic Stomach Friendly Calcium Ascorbate Capsules for Immune Support Gentle on Digestive System - 150 Veggie Caps by Innervis Nutrition
INNERVISNUTRITION$16.2137 rev
SOLARAY Super Bio Vitamin C 1000mg Buffered Time Release Capsules with Bioflavonoids Two-Stage for High Absorption and All Day Immune Support Vegan 60 Day Guarantee 140 Servings 280 VegCaps
SOLARAY$26.042,701 rev
Integrative Therapeutics Buffered Vitamin C 1 000 mg - Easy Daily Immune Support with Magnesium & Calcium* - Antioxidant Support for Healthy Skin & Connective Tissues* - 60 Vegan Capsules 2
Integrative Therapeutics$29.602,184 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
365 by Whole Foods Market Buffered Vitamin C Complex Vegan 60 Capsules
365 by Whole Foods Market$7.96442 rev
Trending
90-day click momentumBuffered Vitamin C 1500mg Non-Acidic Stomach Friendly Calcium Ascorbate Capsules for Immune Support Gentle on Digestive System - 150 Veggie Caps by Innervis Nutrition
INNERVISNUTRITION$16.214.3★
Metagenics Ultra Potent-C 500 - Buffered Vitamin C Supplement for Immune Support Antioxidant Defense & Collagen Formation - Gentle Stomach-Friendly Non-GMO Gluten-Free - 90 Tablets
Metagenics$27.854.7★
NOW Foods Supplements Vitamin C-500 Calcium Ascorbate Antioxidant Protection* 250 Veg Capsules
NOW Foods$13.694.8★
ARG Buffered Vitamin C Powder - Buffered Vitamin C for Antioxidant & Immune Support - Ascorbic Acid with Calcium Magnesium & Potassium - Non-GMO & Gluten-Free - 102 Servings - 8.5 oz
Allergy Research Group$29.334.6★
NOW Supplements Vitamin C-1000 Complex with 250 mg of Bioflavonoids Buffered Antioxidant Protection* 90 Tablets
NOW Foods$11.764.7★
What buyers say about buffered vitamin c
What buyers praise and complain about, mined from review topics.What buyers love
“the overall quality feels consistent”
“Good vitamin”
“Reasonable price”
“No stomach issues”
“Easy to swallow”
“Seems to be as advertised”
“Extra immune support”
“effect”
“Great absorption”
“appreciate their ingredient integrity”
What buyers complain about
“It tastes terrible”
“Doesnt dissolve at all”
“Too big for me to swallow”
“This is the most disgusting chewable vitamin Ive ever had”
“Pills are huge”
“the caplets are much lighter in color”
“Inactive does nothing”
“Incorrect Product Photos”
“or experience an tummy troubles while taking”
“Its not edible- DO NOT BUY THIS ONE”
Top return reasons
Common questions
- Is buffered vitamin c profitable to sell on Amazon United States?
- The niche generates $237K/yr across 24 tracked products. 90-day search growth is -3.3%. Flapen's verdict: Worth a look (55/100).
- How competitive is the buffered vitamin c niche?
- 15 brands and 571 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 75% of demand.
- What do buyers complain about in buffered vitamin c?
- Top complaints mined from reviews: Taste-Overall, Solubility, Ease Of Chewing/Swallowing. The return rate is 0.0%.
- When does demand for buffered vitamin c peak?
- Demand peaks in Jan; the busiest month runs 2.0× the quietest.
- What does it cost to enter the buffered vitamin c niche?
- Listings span $7.96–$63.70; the average listing price is $23.30 (sweet spot $15–$100). The average incumbent carries 1,539 reviews — the moat a new listing must climb.