vitamin c crystals
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Great$19.65avg listing price — sweet spot $15–$100
Price range
Great$8.64–$38.16cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.4%search→purchase rate — share of searches ending in a sale
Review moat
Bad4,341.8avg incumbent reviews — the moat a new listing must climb
Growth
Bad-7.5%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad81%top-5 click share — a locked-up shelf
Market size
Bad$33K$33K/yr · 23K searches
Brand share
Bad97%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
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.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.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
NOW Foods Supplements Vitamin C Crystals (Ascorbic Acid) Powder Antioxidant Protection* 8-Ounce
NOW Foods$8.644.7★5,601 rev
Emergen-C Vitamin C 500mg Immune Support Crystals Orange 56 Packets
Emergen-C$27.454.7★2,671 rev
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$15.334.8★1,706 rev
NOW Supplements Vitamin C Crystals (Ascorbic Acid) Antioxidant Protection* 1-Pound
NOW Foods$15.764.7★5,601 rev
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$29.904.7★4,505 rev
Newest
by launch dateEmergen-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$15.331,706 rev
Emergen-C Vitamin C 500mg Immune Support Crystals Orange 56 Packets
Emergen-C$27.452,671 rev
Emergen-C Kidz Vitamin C 250mg Crystals Strawberry 56 Packets
Emergen-C$20.781,930 rev
PURE ORIGINAL INGREDIENTS Vitamin C Powder (1 lb) Ascorbic Acid Non GMO Dietary Supplement
PURE ORIGINAL INGREDIENTS$9.477,108 rev
Nutricost Pure Ascorbic Acid Powder (1LB) Unflavored Vitamin C Powder
Nutricost$16.628,369 rev
Trending
90-day click momentum
NOW Foods Supplements Vitamin C Crystals (Ascorbic Acid) Antioxidant Protection* 3-Pound
NOW Foods$38.164.7★
Carlson Labs Non GMO Vitamin C Crystals 6 Ounce
Carlson$14.384.7★
NOW Foods Supplements Vitamin C Crystals (Ascorbic Acid) Powder Antioxidant Protection* 8-Ounce
NOW Foods$8.644.7★
Nutricost Pure Ascorbic Acid Powder (1LB) Unflavored Vitamin C Powder
Nutricost$16.624.7★
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 crystals
What buyers praise and complain about, mined from review topics.What buyers love
“This is pure about as pure tasting as I can get”
“Absolutely the perfect way to get my vitamins on the Go”
“Easy and convenient”
“Good flavor”
“Good Quality”
“Good value for the money”
“Immunity booster”
“Helps fight colds”
“Dissolves easily”
“I start dosing”
What buyers complain about
“Tasted sour”
“not wanting to take big pills”
“everything is getting more expensive”
“Inaccurate / incomplete website description”
“BUT I hateeeeee the taste”
“Very bitter”
“Sadly my kids dont like the flavor :”
“Caused stomach pain”
“My pool steps have iron stains”
“most unstable in this powder form”
Top return reasons
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.