vitamin c bulk
Skip itA small market ($47K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Great$22.07avg listing price — sweet spot $15–$100
Conversion
Great11.0%search→purchase rate — share of searches ending in a sale
Price range
Great$9.47–$48.02cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Brand share
Okay90%top-5 brand share — brands hold most of the demand
Review moat
Bad7,777.47avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-9.3%90-day search growth — must beat 0% to launch
Market size
Bad$47K$47K/yr · 19K searches
According to Flapen's Amazon United States niche tracking, vitamin c bulk is a $47K/yr Amazon United States market (19K searches/yr). The top 5 brands hold 90% of demand. Verdict: Skip it — 44/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
vitamin c bulk market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $44K–$55K
- units × avg price
- Conversion rate
- 11.0%
- Avg BSR
- #205
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 89%
- Out of stock
- 3.4%
- Avg brand age
- 132 months
- Avg seller age
- 164 days
Competition & brand share
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
11 flat
Sellers
53
Top-5 brand share
90%
Top 20: 100%
Top-5 click share
65%
Top 20: 100%
Open market
8%
- BulkSupplements71%
- Emergen-C6%
- Earthborn Elements5%
- Luonix4%
- PURE ORIGINAL INGREDIENTS4%
- Bronson2%
- Open — no brand owns it (5 brands, 8%)
Demand
Weekly Amazon search volume, last 17 weeks — -9.3% search growth over the last 90 days.Top vitamin c bulk search terms
- vitamin c bulk5K/yr
- bulk supplements vitamin c5K/yr
- bulk vitamin c3K/yr
- ester c powder4K/yr
- vitamin c bulk supplements2K/yr
Top vitamin c bulk 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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★9,102 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$20.214.8★187 rev
BulkSupplements.com Vitamin C with Zinc Capsules - Vitamin C 1000mg & Zinc 15mg for Immune Support - Vegan 2 Capsules per Serving 360 Veg Count (Pack of 1)
BulkSupplements$19.344.6★210 rev
BulkSupplements.com Vitamin C with Rose Hips Capsules - Ascorbic Acid Supplemnet Rose Hips for Immune Support - Vegan 2 Capsules per Serving (1000mg) 360 Count (Pack of 1)
BulkSupplements$18.744.7★544 rev
BulkSupplements.com Ascorbic Acid Powder - Vitamin C Supplement for Immune Support - Ascorbic Acid Food Grade Gluten Free 1g per Serving 1kg (2.2 lbs) (Pack of 1)
BulkSupplements$24.644.6★9,102 rev
Newest
by launch date
Luonix Vitamin C Powder 8 Lb
Luonix$40.11287 rev
BulkSupplements.com Vitamin C with Zinc Capsules - Vitamin C 1000mg & Zinc 15mg for Immune Support - Vegan 2 Capsules per Serving 360 Veg Count (Pack of 1)
BulkSupplements$19.34210 rev
BulkSupplements.com Vitamin C with Rose Hips Capsules - Ascorbic Acid Supplemnet Rose Hips for Immune Support - Vegan 2 Capsules per Serving (1000mg) 360 Count (Pack of 1)
BulkSupplements$18.74544 rev
Bronson Vitamin C 500 mg Immune & Antioxidant Support Non-GMO 250 Tablets
Bronson$9.794,035 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
Trending
90-day click momentumBronson Vitamin C 500 mg Immune & Antioxidant Support Non-GMO 250 Tablets
Bronson$9.794.8★
BulkSupplements.com Vitamin C with Zinc Capsules - Vitamin C 1000mg & Zinc 15mg for Immune Support - Vegan 2 Capsules per Serving 360 Veg Count (Pack of 1)
BulkSupplements$19.344.6★
Nutricost Ascorbic Acid Powder (Vitamin C) 2 LBS - Gluten Free Non-GMO
Nutricost$26.494.7★
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★
PURE ORIGINAL INGREDIENTS Vitamin C Powder (1 lb) Ascorbic Acid Non GMO Dietary Supplement
PURE ORIGINAL INGREDIENTS$9.474.6★
What buyers say about vitamin c bulk
What buyers praise and complain about, mined from review topics.What buyers love
“Good vitamin”
“Good Price”
“good reviews etc so I figured I would give it a try”
“This is pure about as pure tasting as I can get”
“AS ADVERTISED”
“are great to boost your immunity”
“it keeps me from getting colds”
“The capsules are easy to take”
“Nice to have on had, flavor enhancer”
“Very effective”
What buyers complain about
“This vitamin c is terrible”
“Weird creamy taste”
“Doesnt work”
“4 stars because the bottle aint large enough for my plans”
“No flavor”
“Garbage”
“the yellow and green coloration completely disappeared”
“Stains disappeared before our eyes”
“Inaccurate / incomplete website description”
“This vitamin c is terrible”
Top return reasons
Common questions
- Is vitamin c bulk profitable to sell on Amazon United States?
- The niche generates $47K/yr across 19 tracked products. 90-day search growth is -9.3%. Flapen's verdict: Skip it (44/100).
- How competitive is the vitamin c bulk niche?
- 11 brands and 53 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 90% of demand.
- What do buyers complain about in vitamin c bulk?
- Top complaints mined from reviews: Vitamin, Taste-Overall, Functionality-Overall. The return rate is 0.0%.
- What does it cost to enter the vitamin c bulk niche?
- Listings span $9.47–$48.02; the average listing price is $22.07 (sweet spot $15–$100). The average incumbent carries 7,777 reviews — the moat a new listing must climb.