vitamin c 100mg
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
Conversion
Great7.9%search→purchase rate — share of searches ending in a sale
Avg price
Great$15.16avg listing price — sweet spot $15–$100
Brand share
Good66%top-5 brand share — brands hold most of the demand
Price range
Good$4.26–$35.28cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Market size
Okay$102K$102K/yr · 85K searches
Review moat
Bad4,508.2avg incumbent reviews — the moat a new listing must climb
Growth
Bad-1.7%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, vitamin c 100mg is a $102K/yr Amazon United States market (85K searches/yr). The top 5 brands hold 66% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
vitamin c 100mg market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $91K–$121K
- units × avg price
- Conversion rate
- 7.9%
- Avg BSR
- #194
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 77%
- Out of stock
- 2.3%
- Avg brand age
- 105 months
- Avg seller age
- 154 days
Competition & brand share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
22 falling
Sellers
645
Top-5 brand share
66%
Top 20: 98%
Top-5 click share
53%
Top 20: 90%
Open market
28%
- GNC24%
- NaturesPlus11%
- P Puregen Labs11%
- Nature's Bounty11%
- Nature Made10%
- Pure Encapsulations5%
Demand
Weekly Amazon search volume, last 28 weeks — -1.7% search growth over the last 90 days.Top vitamin c 100mg search terms
- vitamin c 100mg25K/yr
- low dose vitamin c11K/yr
- vitamin c 100 mg9K/yr
- gnc vitamin c12K/yr
- vitamin c 75 mg7K/yr
- vitamin c low dose5K/yr
- 100 mg vitamin c4K/yr
- vitamin c 75 mg women4K/yr
- 100mg vitamin c3K/yr
- gnc vitamin c chewable3K/yr
Top vitamin c 100mg 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
GNC Vitamin C 100mg Provides Immune Support Mixed Fruit 360 Servings
GNC$19.754.7★376 rev
NaturesPlus Orange Juice Jr. - 180 Chewable Tablets - 100 mg Vitamin C - Immune System Support - Gentle on the Stomach - Vegan Gluten Free - 180 Servings
NaturesPlus$14.994.7★386 rev
Puregen Labs Vitamin C 250 MG Supports a Healthy Immune System & Antioxidant Protection | Non-GMO | Gluten Free - 200 Tablets
P Puregen Labs$8.934.7★480 rev
Natures Bounty Vitamin C + Zinc Vitamin Supplement Supports Immune Health 60 mg 60 Tablets
Nature's Bounty$7.774.7★7,591 rev
Nature Made Vitamin C 500 mg Tablets for Daily Immune Support Adult Vitamin C Tablets for Immune Support 100 Count 100 Day Supply
Nature Made$6.154.8★8,316 rev
Newest
by launch date
Certified Organic Vitamin C Supplement - Whole Food Acerola Vitamin C Immune Support Supplement for Seasonal Wellness with Naturally Occurring Bioflavonoids Polyphenols & Cofactors (1 Month Supply)
PURE CO$16.441,446 rev
Puregen Labs Vitamin C 250 MG Supports a Healthy Immune System & Antioxidant Protection | Non-GMO | Gluten Free - 200 Tablets
P Puregen Labs$8.93480 rev
Pure Encapsulations Liposomal Vitamin C - Immune Support Supplement* - Antioxidant Nourishment - Daily Vitamin - Non-GMO & Gluten Free - 120 Capsules
Pure Encapsulations$35.28392 rev
Bronson Vitamin C 500 mg Immune & Antioxidant Support Non-GMO 250 Tablets
Bronson$9.794,035 rev
Amazon Basic Care Vitamin C Supplement Drops Lemon Orange & Grapefruit 140 count (Previously SoundHealth)
Amazon Basic Care$4.262,856 rev
Trending
90-day click momentum
Nordic Naturals Vitamin C Gummies 250mg Vegan Tart Tangerine - 60 Count
Nordic Naturals$12.664.7★
Life Extension Vitamin C 24-Hour Liposomal Hydrogel Formula absorbs Better Than Standard Vitamin C up to 24 Hours get The Most Out of Your Vitamin C Gluten-Free Non-GMO Vegetarian 60 Tablets
Life Extension$21.234.8★
Nature Made Vitamin C Gummies 250mg per Serving 150 Count
Nature Made$9.144.8★
Bronson Vitamin C 500 mg Immune & Antioxidant Support Non-GMO 250 Tablets
Bronson$9.794.8★
Pure Encapsulations Liposomal Vitamin C - Immune Support Supplement* - Antioxidant Nourishment - Daily Vitamin - Non-GMO & Gluten Free - 120 Capsules
Pure Encapsulations$35.284.8★
What buyers say about vitamin c 100mg
What buyers praise and complain about, mined from review topics.What buyers love
“the quality is consistent”
“Good tasting vitamin”
“Fair price”
“Tastes just like an orange”
“As advertised”
“easy to chew”
“protects my immune system”
“Daily dose”
“Easy to use”
“Iron supplement”
What buyers complain about
“Too big”
“Has no taste”
“Impossible to swallow”
“This vitamin c is terrible”
“Not worth it at their inflated price”
“Terrible pills”
“Rancid Odor”
“or experience an tummy troubles while taking”
“Stickyyyy”
“my iron levels were low”
Top return reasons
Common questions
- Is vitamin c 100mg profitable to sell on Amazon United States?
- The niche generates $102K/yr across 30 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -1.7%. Flapen's verdict: Worth a look (50/100).
- How competitive is the vitamin c 100mg niche?
- 22 brands and 645 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 66% of demand.
- What do buyers complain about in vitamin c 100mg?
- Top complaints mined from reviews: Size-Overall, Taste-Overall, Ease Of Chewing/Swallowing. The return rate is 0.0%.
- What does it cost to enter the vitamin c 100mg niche?
- Listings span $4.26–$35.28; the average listing price is $15.16 (sweet spot $15–$100). The average incumbent carries 4,508 reviews — the moat a new listing must climb.