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Lysine 500mg Capsules

Maybe

An estimated 0.0% of orders come back. But the products selling today already average 4.7★, so Lysine 500mg Capsules is a Maybe.

Flapen Score
51
51 / 100
Top 40% of 14,768 Health & Household niches · +2 vs the category median of 49
Market size
$433K/yr152K searches / yr
90-day growth
+7.6%search demand this quarter
Competition
71%top-5 click share · 11 brands · 574 sellers

Flapen Score

Lysine 500mg Capsules against its category

The dotted line is the Health & Household average. Past it, Lysine 500mg Capsules is stronger. Inside it, weaker.

51Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Lysine 500mg Capsules market on Amazon at a glance

Shoppers on Amazon United States searched for Lysine 500mg Capsules 152K times last year and spent an estimated $433K. The top 5 brands take 86% of clicks. Demand peaks in Jan–Dec. Flapen scores it 51 out of 100, a Maybe.

01 · Demand

An estimated 18.3% of those searches ended in a purchase.

Shoppers searched for this 152K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 18.3% of those searches ended in a purchase. Searches in the last 90 days moved +7.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $433K a year.

Searches, last 12 months
152K
Growth, 90 days vs prior 90
+7.6%
Conversion, latest week
18.3%
Market size, estimated
$433Ka year
Peak month
December1.9× the quietest month
Top search term
lysine 500mg42K searches a year

02 · Price

A sale here is worth $15.62.

Listings sell for $15.62 on average, from $5.75 to $39.41. Amazon reports units sold in ranges. This niche sold 25K to 30K a year. The average listing sells 1,500 to 2,000 of them. At $15.62 that is $23K to $31K a year per listing.

Average price
$15.62inside the $15 to $100 sweet spot
Price range
$5.75–$39.41
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
25K–30K
Units per listing a year
1,500–2,000
Revenue per listing a year
$23K–$31K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

53% of listings pay for placement with sponsored ads. 93% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #161 within Amino Acids. It carries 3,340 reviews at 4.66 stars, so a new listing needs social proof before a better product.

Sponsored listings
53%
Prime listings
93%
Out of stock, average day
0.0%
Average rank
#161in Amino Acids
Average rating
4.66 starsAmazon United States average 4.42 stars
Average reviews
3,340per listing
Listings tracked
15

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 92 months on average, so the names here are established.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
92 months

Products

Top Lysine 500mg Capsules products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 25, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 71% of clicks. A locked shelf that new listings rarely crack.

$0$43K$87K$130K$173K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

11 rising

Sellers

574

Est. top-5 brand share

86%

Top 20: 100%

Est. top-5 click share

71%

Top 20: 100%

Open market

11%

  • NOW Foods41%
  • Pure Encapsulations33%
  • Swanson6%
  • Best Naturals3%
  • Nature Made3%
  • THORNE3%
  • Open — no brand owns it (5 brands, 11%)

Demand

Lysine 500mg Capsules search demand

Weekly searches over the year, seasonality beneath. Pick a range.

8K6KSpike '24Black Friday '24Holiday '24Spike '26DecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 1.9×

Search terms

Top Lysine 500mg Capsules search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • lysine 500mg42K/yr
  • l lysine 500 mg capsules41K/yr
  • l-lysine 500mg capsules31K/yr
  • l-lysine 500mg7K/yr
  • pure lysine6K/yr
  • lysine 500mg capsules6K/yr
  • pure encapsulations lysine4K/yr
  • l lysine 500 mg3K/yr
  • lysine pure encapsulations2K/yr
  • lysine 500 mg3K/yr

Reviews and returns

What reviews say buyers love and hate about Lysine 500mg Capsules

We read the reviews and the return reasons for every product selling here.

13%of positive reviews mention “Quality-Overall”
23%of negative reviews mention “Size-Overall”
<0.1%of orders come back, a rate Amazon rounds to zero
“Too big”
A buyer, on “Size-Overall”23% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

17 topics

NegativePositive

FAQ

Common Lysine 500mg Capsules questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data