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Best deal: $0.62 per ounce (81.8% below the median) — Nutricost L-Lysine Powder 1KG (2.2lbs) - Pure L-Lysine, Non-GMO, Gl...

Price range: $0.62 – $9.07 per ounce across 34 offers. Median sits at $3.42.

Top brands showing: Vetoquinol Viralys, Nutricost, Lysine Cats.

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Nutricost L-Lysine Powder 1KG (2.2lbs) - Pure L-Lysine, Non-GMO, Gluten Free

Nutricost L-Lysine Powder 1KG (2.2lbs) - Pure L-Lysine, Non-GMO, Gluten Free

(as of 04/13/2026 06:22 EST)

$0.62 / ounce
Total: $21.95
Prime: ❌
Best Naturals Lysine Powder, 1 Pound - 100% Pure (1 LB (Pack of 1))

Best Naturals Lysine Powder, 1 Pound - 100% Pure (1 LB (Pack of 1))

(as of 04/13/2026 06:22 EST)

$0.87 / ounce
Total: $13.99
Prime: ❌
Nutricost L-Lysine Powder 500 Grams - Pure L-Lysine, Non-GMO, Gluten Free

Nutricost L-Lysine Powder 500 Grams - Pure L-Lysine, Non-GMO, Gluten Free

(as of 04/13/2026 06:22 EST)

$0.91 / ounce
Total: $15.95
Prime: ❌
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