Is sodium ascorbate powder profitable to sell on Amazon United States?

The niche generates $288K/yr across 10 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +22.9%. Flapen's verdict: Worth a look (51/100).

How competitive is the sodium ascorbate powder niche?

6 brands and 20 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 98% of demand.

What do buyers complain about in sodium ascorbate powder?

Top complaints mined from reviews: Taste-Overall, Smell, Vitamin. The return rate is 0.0%.

When does demand for sodium ascorbate powder peak?

Demand is steady year-round — the busiest month runs 1.6× the quietest.

What does it cost to enter the sodium ascorbate powder niche?

Listings span $8.35–$42.27; the average listing price is $20.94 (sweet spot $15–$100). The average incumbent carries 1,170 reviews — the moat a new listing must climb.

sodium ascorbate powder

Worth a look

Shows low returns (0.0%), but brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible14.3%

search→purchase rate — share of searches ending in a sale

Avg price

Great$20.94

avg listing price — sweet spot $15–$100

Price range

Great$8.35–$42.27

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Good1,169.8

avg incumbent reviews — the moat a new listing must climb

Growth

Good+22.9%

90-day search growth — must beat 0% to launch

Market size

Good$288K

$288K/yr · 96K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad86%

top-5 click share — a locked-up shelf

Brand share

Bad98%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, sodium ascorbate powder is a $288K/yr Amazon United States market (96K searches/yr). The top 5 brands hold 98% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

sodium ascorbate powder market data

Units sold / yr: 13K–15K; avg 1,250–1,500/product
Revenue / yr: $262K–$314K; units × avg price
Conversion rate: 14.3%
Avg BSR: #424
Page quality: 0%
Prime: 100%
Sponsored: 80%
Out of stock: 0.0%
Avg brand age: 112 months
Avg seller age: 168 days

Competition & brand share

The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 flat

Sellers

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

86%

Top 20: 100%

Open market

NutriBiotic45%
NOW Foods30%
Bronson8%
BulkSupplements8%
Nutricost7%
C-Salts2%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +22.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.6×

Open Trend

Top sodium ascorbate powder search terms

sodium ascorbate44K/yr +6.3%11.9% conv.
sodium ascorbate powder26K/yr +101.5%15.8% conv.
sodium ascorbate vitamin c15K/yr -2.9%8.6% conv.
nutribiotic sodium ascorbate6K/yr -17.0%21.1% conv.
vitamin c sodium ascorbate3K/yr -16.9%7.8% conv.
nutribiotic sodium ascorbate powder2K/yr -14.1%17.3% conv.

All search terms

Top sodium ascorbate powder 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NutriBiotic - Sodium Ascorbate Buffered Vitamin C Powder 16 Oz | Vegan Non-Acidic & Easier on Digestion Than Ascorbic Acid | Essential Immune Support & Antioxidant Supplement | Gluten & GMO Free

NutriBiotic$19.734.8★3,618 rev

NOW Supplements Sodium Ascorbate Powder Buffered Antioxidant Protection* 8-Ounce

NOW Foods$8.354.7★1,628 rev

NutriBiotic - Sodium Ascorbate Buffered Vitamin C Powder 8 Oz | Vegan Non Acidic & Easier on Digestion Than Ascorbic Acid | Essential Immune Support & Antioxidant Supplement | Gluten & GMO Free

NutriBiotic$11.544.7★957 rev

BulkSupplements.com Sodium Ascorbate Powder - for Immune Support Sodium Ascorbate Vitamin C - Buffered Vitamin C Gluten Free 2g per Serving 500g (1.1 lbs) (Pack of 1)

BulkSupplements$19.934.6★279 rev

Nutricost Sodium Ascorbate Powder (1 LB) Unflavored 2 Grams per Serving

Nutricost$16.974.8★42 rev

Newest

by launch date

Nutricost Sodium Ascorbate Powder (1 LB) Unflavored 2 Grams per Serving

Nutricost$16.9742 rev

9mo ago

C-Salts Pure Sodium Ascorbate Vitamin C Powder (8 oz)

C-Salts$11.2332 rev

11mo ago

BulkSupplements.com Sodium Ascorbate Powder - for Immune Support Sodium Ascorbate Vitamin C - Buffered Vitamin C Gluten Free 2g per Serving 500g (1.1 lbs) (Pack of 1)

BulkSupplements$19.93279 rev

10y ago

NutriBiotic - Sodium Ascorbate Buffered Vitamin C Powder 16 Oz | Vegan Non-Acidic & Easier on Digestion Than Ascorbic Acid | Essential Immune Support & Antioxidant Supplement | Gluten & GMO Free

NutriBiotic$19.733,618 rev

18y ago

NutriBiotic - Sodium Ascorbate Buffered Vitamin C Powder 8 Oz | Vegan Non Acidic & Easier on Digestion Than Ascorbic Acid | Essential Immune Support & Antioxidant Supplement | Gluten & GMO Free

NutriBiotic$11.54957 rev

18y ago

What buyers say about sodium ascorbate powder

What buyers praise and complain about, mined from review topics.

What buyers love

Vitamin14%

“A clean, straightforward vitamin C option thats easy to add to your daily routine”

Quality-Overall13%

“Excellent product”

Taste-Overall9%

“it had no adverse affect on the taste of the juice”

Value For Money7%

“2650 for $20 is great”

Efficiency7%

“Works great”

Dosage6%

“I can now take higher doses which I've always wanted to do”

Acid Regulator/Stomach Ache Relief4%

“Its buffered so I dont get a stomach ache”

Solubility4%

“Dissolves perfectly in cold liquids”

Nutritional Content4%

“Great vit C powder by Nutricost”

Protection4%

“skin of its protective barrier”

What buyers complain about

Taste-Overall13%

“just not to my taste”

Smell13%

“no chlorine smell”

Vitamin10%

“I don't take vitamin C daily”

Flavor9%

“I can't get used to the flavor”

Salt Content9%

“Just not for me, too salty, and I can't get used to the flavor, or how it changes the taste of anything I add it to”

Value For Money9%

“which is only about $1.39 a gallon”

Dosage6%

“I don't take the full dosage because it's a water soluble vitamin”

Functionality-Overall6%

“Doesnt work”

Side Effects3%

“This is where I read that this powdered form of vitamin C dissolved in water would deactivate the negative effects of chlorine”

Moist/Dry3%

“My skin gets very dry”

Top return reasons

Minerals50%

Advertised Vs Actual Product50%

Common questions

Is sodium ascorbate powder profitable to sell on Amazon United States?: The niche generates $288K/yr across 10 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +22.9%. Flapen's verdict: Worth a look (51/100).
How competitive is the sodium ascorbate powder niche?: 6 brands and 20 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 98% of demand.
What do buyers complain about in sodium ascorbate powder?: Top complaints mined from reviews: Taste-Overall, Smell, Vitamin. The return rate is 0.0%.
When does demand for sodium ascorbate powder peak?: Demand is steady year-round — the busiest month runs 1.6× the quietest.
What does it cost to enter the sodium ascorbate powder niche?: Listings span $8.35–$42.27; the average listing price is $20.94 (sweet spot $15–$100). The average incumbent carries 1,170 reviews — the moat a new listing must climb.