Is trigonelline profitable to sell on Amazon United States?

The niche generates $45K/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -80.3%. Flapen's verdict: Skip it (37/100).

How competitive is the trigonelline niche?

5 brands and 16 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in trigonelline?

Top complaints mined from reviews: Functionality-Overall, Value For Money, Vitamin. The return rate is 0.0%.

What does it cost to enter the trigonelline niche?

Listings span $13.75–$81.95; the average listing price is $39.64 (sweet spot $15–$100). The average incumbent carries 2,636 reviews — the moat a new listing must climb.

trigonelline

Skip it

Soft demand (-80.3% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$39.64

avg listing price — sweet spot $15–$100

Price range

Great$13.75–$81.95

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

Conversion

Good6.5%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,636.17

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$45K

$45K/yr · 17K searches

Competition

Bad96%

top-5 click share — a locked-up shelf

Growth

Bad-80.3%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals Low Review Barrier

According to Flapen's Amazon United States niche tracking, trigonelline is a $45K/yr Amazon United States market (17K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 37/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

trigonelline market data

Units sold / yr: 1K–1K; avg 100–250/product
Revenue / yr: $40K–$50K; units × avg price
Conversion rate: 6.5%
Avg BSR: #988
Page quality: 0%
Prime: 83%
Sponsored: 50%
Out of stock: 2.1%
Avg brand age: 69 months
Avg seller age: 215 days

Competition & brand share

The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

96%

Top 20: 100%

Open market

Codeage40%
Renue By Science39%
Vitamatic12%
Nootropics Depot6%
NOW Foods4%

Demand

Weekly Amazon search volume, last 22 weeks — -80.3% search growth over the last 90 days.

Open Trend

Top trigonelline 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 6 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Codeage Liposomal Trigonelline 250mg Plant-Based Vegan 90 Capsules

Codeage$49.014.2★47 rev

Renue By Science Trigonelline | High Strength Trigonelline TRG Methylated Niacin - 250mg Trigonilline Supplement Capsules | Non-GMO | Made in the USA & Third-Party Tested

Renue By Science$51.664.0★39 rev

Vitamatic Fenugreek (Methi) 300 mg Per Serving (2 Capsules) Trigonella foenum-graecum Seed Extract Herbal Supplement Vegetarian Non-GMO 320 Capsules

Vitamatic$14.624.7★265 rev

Renue By Science NAD+ Complete | 120 Liposomal NAD Supplement Capsules with NMN NR & Trigonelline - 310mg NMN & 160mg NAD per Serving | Bioavailable Formula for Increased Absorption | Made in the USA

Renue By Science$81.954.5★91 rev

Nootropics Depot$26.884.2★79 rev

Newest

by launch date

Renue By Science NAD+ Complete | 120 Liposomal NAD Supplement Capsules with NMN NR & Trigonelline - 310mg NMN & 160mg NAD per Serving | Bioavailable Formula for Increased Absorption | Made in the USA

Renue By Science$81.9591 rev

9mo ago

Codeage Liposomal Trigonelline 250mg Plant-Based Vegan 90 Capsules

Codeage$49.0147 rev

1y ago

Renue By Science Trigonelline | High Strength Trigonelline TRG Methylated Niacin - 250mg Trigonilline Supplement Capsules | Non-GMO | Made in the USA & Third-Party Tested

Renue By Science$51.6639 rev

2y ago

Nootropics Depot$26.8879 rev

3y ago

Vitamatic Fenugreek (Methi) 300 mg Per Serving (2 Capsules) Trigonella foenum-graecum Seed Extract Herbal Supplement Vegetarian Non-GMO 320 Capsules

Vitamatic$14.62265 rev

3y ago

What buyers say about trigonelline

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

What buyers love

Quality-Overall33%

“This NAD+ supplement appears to be most quality”

Dosage13%

“Better than prescriptions”

Energy Level8%

“New energy”

Advertised Vs Actual Product6%

“They do what they advertise”

Heart Health5%

“Helps my liver”

Ease Of Use4%

“easy to use”

Side Effects4%

“that's also a good thing as there were no weird side effects”

Taste-Overall2%

“I didn't have any aftertaste”

Ease Of Chewing/Swallowing2%

“its easy to take with or without food”

Value For Money2%

“are less expensive”

What buyers complain about

Functionality-Overall22%

“Did absolutely nothing”

Value For Money14%

“What a waste of money”

Vitamin7%

“These are probably one of the hardest supplements to say if they work, since the big benefits are supposed to be slowing aging and prolonging life”

Smell7%

“Stinks”

Side Effects6%

“I bought and took them all as directed for a month and it didn't provide any effect at all”

Blood Pressure6%

“Raises blood pressure too high”

Bitter6%

“Very bitter and nauseating had to take a couple of spoonfuls of the pink stuff”

Energy Level5%

“Mild energy boost”

Ingredients-Overall4%

“not my favorite for the price and the ingredients”

Taste-Overall3%

“Taste awful”

Common questions

Is trigonelline profitable to sell on Amazon United States?: The niche generates $45K/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -80.3%. Flapen's verdict: Skip it (37/100).
How competitive is the trigonelline niche?: 5 brands and 16 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in trigonelline?: Top complaints mined from reviews: Functionality-Overall, Value For Money, Vitamin. The return rate is 0.0%.
What does it cost to enter the trigonelline niche?: Listings span $13.75–$81.95; the average listing price is $39.64 (sweet spot $15–$100). The average incumbent carries 2,636 reviews — the moat a new listing must climb.