Liquid Lysine
Skip itA small market ($45K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Great$18.83avg listing price — sweet spot $15–$100
Conversion
Great7.5%search→purchase rate — share of searches ending in a sale
Review moat
Good668.07avg incumbent reviews — the moat a new listing must climb
Brand share
Good63%top-5 brand share — brands hold most of the demand
Price range
Good$8.46–$23.21cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-5.8%90-day search growth — must beat 0% to launch
Market size
Bad$45K$45K/yr · 32K searches
Is liquid lysine profitable on Amazon?
According to Flapen's Amazon United States niche tracking, liquid lysine is a $45K/yr Amazon United States market (32K searches/yr). The top 5 brands hold 63% of demand. Verdict: Skip it — 49/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
liquid lysine market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- $47K–$56K
- units × avg price
- Conversion rate
- 7.5%
- Avg BSR
- #139
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 5.8%
- Avg brand age
- 60 months
- Avg seller age
- 176 days
Competition: brands, sellers & click share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
13 rising
Sellers
35
Top-5 brand share
63%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
30%
- HOLLEGEND25%
- GZ HAOYUAN12%
- Quantum10%
- NATISLAND8%
- HevChay8%
- Well&Whole8%
liquid lysine demand & seasonality
Weekly Amazon search volume, last 16 weeks — -5.8% search growth over the last 90 days.Top liquid lysine search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- liquid lysine9K/yr
- lysine liquid7K/yr
- l lysine liquid5K/yr
- lysine drops5K/yr
- liposomal lysine4K/yr
- l-lysine liquid3K/yr
Top liquid lysine products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Liposomal L-lysine 1000MG Liquid Drops Lysine Supplement for Women & Kids with Vitamin C B6 D3 B12 & Zinc Gluconate Skin & Lip Health Immune & Collagen Production Support Lemon Flavor 2 fl oz
HOLLEGEND$22.084.5★182 rev
Liposomal L-lysine 1000MG Liquid Drops 13-in-1 Lysine Monolaurin Supplements Olive Leaf Extract with Vitamin C B6 D3 B12 & Zinc for Collagen Lip skin & Immune Support for Kids & Adults 2oz
GZ HAOYUAN$17.664.5★42 rev
Quantum Health SuperLysine+ Immune Supplement L-Lysine Liquid Extract 2oz
Quantum$17.914.5★732 rev
Liposomal L-lysine Monolaurin Liquid Drops Lysine 1000MG Supplement for Adults & Kids Echinacea & Elderberry with Vitamin C & D3 Zinc for Lip & Skin Health Collagen & Immune Support 2 Fl Oz
NATISLAND$19.754.7★54 rev
Liposomal Lysine 1000MG Liquid Drops 16-in-1 L Lysine Supplement for Kids and Adults Echinacea & Elderberry with Vitamin C B6 D3 B12 & Zinc for Collagen Lip skin & Immune Support 1 Pack
HevChay$19.194.5★71 rev
Newest
by launch date
Liposomal L-Lysine 1000mg Liquid Drops 7-in-1 Lysine Supplement for Adults with Vitamin C/B6/D3/B12 & Zinc Gluconate Immune Support Collagen Synthesis & Skin Lip Health Lemon Flavor 2 Fl Oz
Nubetong$17.7918 rev
Liposomal L-lysine 1000MG Liquid Drops 13-in-1 Lysine Monolaurin Supplements Olive Leaf Extract with Vitamin C B6 D3 B12 & Zinc for Collagen Lip skin & Immune Support for Kids & Adults 2oz
GZ HAOYUAN$17.6642 rev
NaSeny Liposomal L-Lysine 1000MG Liquid Drops for Kids & Adults Lysine Supplement with Calcium GABA Vitamin D3 K K2 Immune & Collagen Support Skin & Lips Health - 2 FL OZ
NaSeny$19.8918 rev
Liposomal L-lysine Monolaurin Liquid Drops Lysine 1000MG Supplement for Adults & Kids Echinacea & Elderberry with Vitamin C & D3 Zinc for Lip & Skin Health Collagen & Immune Support 2 Fl Oz
NATISLAND$19.7554 rev
Liposomal Lysine 1000MG Liquid Drops 16-in-1 L Lysine Supplement for Kids and Adults Echinacea & Elderberry with Vitamin C B6 D3 B12 & Zinc for Collagen Lip skin & Immune Support 1 Pack
HevChay$19.1971 rev
Trending
90-day click momentumLiposomal L-lysine Monolaurin Liquid Drops Lysine 1000MG Supplement for Adults & Kids Echinacea & Elderberry with Vitamin C & D3 Zinc for Lip & Skin Health Collagen & Immune Support 2 Fl Oz
NATISLAND$19.754.7★
Liposomal L-Lysine 1000mg Liquid Drops 7-in-1 Lysine Supplement for Adults with Vitamin C/B6/D3/B12 & Zinc Gluconate Immune Support Collagen Synthesis & Skin Lip Health Lemon Flavor 2 Fl Oz
Nubetong$17.794.4★
Liposomal L-lysine 1000MG Liquid Drops 13-in-1 Lysine Monolaurin Supplements Olive Leaf Extract with Vitamin C B6 D3 B12 & Zinc for Collagen Lip skin & Immune Support for Kids & Adults 2oz
GZ HAOYUAN$17.664.5★
NaSeny Liposomal L-Lysine 1000MG Liquid Drops for Kids & Adults Lysine Supplement with Calcium GABA Vitamin D3 K K2 Immune & Collagen Support Skin & Lips Health - 2 FL OZ
NaSeny$19.894.9★
L-Lysine Liquid Drops Liquid Lysine 1000mg Supplement Essential Amino Acid Supplement for Lips & Oral Health & Collagen Formation Support Lysine Drops with Vitamin E & Zinc for Adults 4 Fl oz
NaSeny$23.214.4★
What reviews say buyers love and hate about liquid lysine
What buyers praise and complain about, mined from review topics.What buyers love
“Good tasting”
“Good quality and easy to take”
“cats love it”
“It has a natural flavor”
“Good value for price”
“just sheer ease”
“It seems to help with the sniffles”
“supportive supplement for immune health”
“I like that it includes vitamins”
“is made with fresh ingredients”
What buyers complain about
“Doesnt taste amazing”
“Does not work”
“so when I began to have allergic reactions to L-carnitine”
“Its supposed to be chicken flavored however I get a strong smell of fish”
“This product gave my cat diarrhea”
“However, if you are buying this specifically for kids, be aware that the 1,000 mg of Lysine and 100 mg of GABA are significant doses”
“she doesn't like the flavor”
“The price seems about average for this supplement”
“honestly the texture is just not something my cats are regularly fond of”
“his eyes are completely dry”
Top return reasons
Common liquid lysine questions
- Is liquid lysine profitable to sell on Amazon United States?
- The niche generates $45K/yr across 14 tracked products. 5 of 8 products launched in the last 360 days are still selling. 90-day search growth is -5.8%. Flapen's verdict: Skip it (49/100).
- How competitive is the liquid lysine niche?
- 13 brands and 35 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 63% of demand.
- What do buyers complain about in liquid lysine?
- Top complaints mined from reviews: Taste-Overall, Functionality-Overall, Allergies. The return rate is 0.1%.
- What does it cost to enter the liquid lysine niche?
- Listings span $8.46–$23.21; the average listing price is $18.83 (sweet spot $15–$100). The average incumbent carries 668 reviews — the moat a new listing must climb.