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l tyrosine 1000mg capsules

Skip it37/100

a small market ($136K/yr) — l tyrosine 1000mg capsules doesn't clear our bar today.

Market/yr

$136K

Growth (1y)

+66.5%

Products

13

Brands

11

was 10 a year ago

Sellers

27

Price range

$9.56–$40.44

Returns

0.0%

Rating

4.5★

37/100

Skip it

Scored 37/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
7
×0.30
Growth
55
×0.30
Competition
25
×0.20
Quality gap
39
×0.10
Returns
100
×0.10

Demand

Weekly Amazon search volume, last 66 weeks — +66.5% year over year.
2K963.5Spike '25Spike '26Apr '25Jun '25Sep '25Nov '25Feb '26Apr '26

Seasonality

Monthly demand index across the year — 1.00 is average.

No pronounced peak months · busiest ÷ quietest = 2.1×

Competition

30%Alpha Flow
  • Alpha Flow30%
  • Horbäach13%
  • NOW Foods11%
  • Pure Encapsulations11%
  • Double Wood Supplements11%
  • Nutricost8%
  • Other (5 brands)16%

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack. 11 brands and 27 sellers compete here.

Brands

11 rising

was 10 a year ago

Sellers

27

Top 5 brand share

76%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 13 tracked products in this niche.

Reviews

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

What buyers love

Focus Enhancement14%

“Focus and Energy”

Quality-Overall10%

“Great feal”

Vitamin8%

“Good supplement so far”

Efficiency8%

“Works well”

Value For Money7%

“Price-wise, they are very affordable, which I greatly appreciate”

Ease Of Chewing/Swallowing5%

“The capsules are small enough for me to be easily swallowed”

Energy Level4%

“Definitely could tell it helped me with my energy levels”

Regulates Digestion4%

“easy to digest, love the brand, repeat order”

Advertised Vs Actual Product4%

“As Advertised”

Dosage4%

“Stay consistent, take every morning”

What buyers complain about

Dosage12%

“I have even taken 2000 mg and nothing”

Functionality-Overall11%

“Didnt work for me”

Side Effects7%

“I had an unexpected reaction to this supplement”

Smell6%

“just a slight neutral or chemical smell if you open the bottle”

Regulates Digestion5%

“cant take if you have a thyroid disease”

Allergies3%

“Beware of allergic reactions/HIVES”

Ease Of Use3%

“Extremely hard to open”

Advertised Vs Actual Product3%

“The Pure Encapsulations L-Tyrosine product page does not publicly disclose specific heavy metal test results for arsenic, cadmium, or lead”

Heart Health3%

“CANT TAKE made my heart race”

Quality-Overall3%

“maybe quality control of pills could be better”

Top return reasons

  • Functionality-Overall50%
  • Side Effects25%
  • Advertised Vs Actual Product25%

Data scraped July 8, 2026 · Marketplace baseline: 4.4★ avg rating · $22.66 median price · 2.2% median returns across 14,418 tracked niches.