01
Lowest
$0.65
per ounce
84% below median
Horbaach L-Lysine Powder | 2.2 lbs | Essential Amino Acid | Free-Form
$22.99
35.37 ounces
Price as of Oct 12, 2:45 PM ET · Details
Cheapest lysine powder cats per ounce
48 offers ranked · median $4.16 a ounce · checked Oct 12, 2:45 PM ET
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Ranked results
PriceCrow compares available Amazon listings for lysine powder cats, converts compatible package sizes to price per ounce, and sorts the results from lowest unit cost upward. This comparison uses current or recently cached Amazon data and may not include every listing, coupon, shipping charge, or Prime offer.
What is the lowest current price per ounce?
The lowest recorded result is $0.65 per ounce (84% below the median) — Horbaach L-Lysine Powder | 2.2 lbs | Essential Amino Acid | Free-Form
Price range: $0.65 – $912.54 per ounce across 48 offers. Median sits at $4.16.
Top brands showing: Lysine Cats, Vetoquinol Viralys, Horbaach.
How fresh are these Amazon prices?
This result set was last recorded (about 11 hours ago). Rerun the search to check for newer prices.
How should I use this comparison?
Use it as a shortlist, then confirm the product size, price, shipping, coupon terms, availability, and Prime eligibility on Amazon. Add qualifiers such as “organic,” “bulk,” or a brand name when you need a narrower result set.
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02
$0.75
per ounce
82% below median
Just Try L-Lysine Powder Lysine, Immune Support
$9.99
13.32 ounces
Prime
Price as of Oct 12, 2:45 PM ET · Details
03
$1.00
per ounce
76% below median
NOW Supplements, L-Lysine Powder, Amino Acid, 1 lb
$15.92
15.92 ounces
Price as of Oct 12, 2:45 PM ET · Details
04
$1.25
per ounce
70% below median
Just Try Lysine Cat Treats, Lactoferrin & Vitamin E, Immune Support
$19.99
15.99 ounces
Price as of Oct 12, 2:45 PM ET · Details
05
$1.29
per ounce
69% below median
Horbaach L-Lysine for Cats & Kittens 500mg | 12 oz Powder Supplement
$15.49
12.01 ounces
Prime
Price as of Oct 12, 2:45 PM ET · Details
06
$1.44
per ounce
65% below median
Now Pets L-Lysine for Cats Powder, 8 oz, Pack of 2
$22.99
15.97 ounces
Price as of Oct 12, 2:45 PM ET · Details
07
$1.45
per ounce
65% below median
NOW Pet Health, L-Lysine Supplement, Powder, For Cats, 8-Ounce
$11.63
8.02 ounces
Prime
Price as of Oct 12, 2:45 PM ET · Details
08
$1.70
per ounce
59% below median
100% Pure L-Lysine Powder for Cats–No Flavors, No Fillers or Preservatives–1,000mg per Scoop–Immune, Respiratory & Eye Support–Sneezing, Runny Nose & Cold Symptoms (500g)
$30.99
18.22 ounces
Prime
Price as of Oct 12, 2:45 PM ET · Details
09
$1.87
per ounce
55% below median
Lysine for Cats Micro Granulated L-lysine Supplement Immune Support, L Lysine Kitten Eye Sneezing, Runny Nose Relief, Squinting, Watery Eyes, Llysine Silicon Dioxide Free 5.3OZ
$9.90
5.29 ounces
Price as of Oct 12, 2:45 PM ET · Details
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