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Purina vs IAMS

Which is cheaper per lb? Ranked from real, continuously tracked Amazon US prices — not sticker prices.

Purina wins on cost per lb

As of July 2026, Purina is cheaper per lb: about $1.57/lb at the median vs $1.82/lb for IAMS — across 7 Purina and 4 IAMS deals we track. Prices re-checked continuously.

Per lbPurinaIAMS
Median$1.57$1.82
Cheapest$1.39$1.57
Products tracked74

See all of each brand ranked by cost per lb: Purina, IAMS · or the best pet food of 2026.

Cheapest Purina per lb

Cheapest IAMS per lb