Broccoli

Russian Tortoise

Agrionemys horsfieldii

Goitrogenic; limit for the same reasons as kale and other Brassica species.

Sulcata Tortoise

Centrochelys sulcata

Goitrogenic Brassica. Limit to occasional use.

Leopard Tortoise

Stigmochelys pardalis

Goitrogenic Brassica — limit to occasional use.

Eastern Box Turtle

Terrapene carolina

[confidence: high] [source: Tortoise Trust goitrogen article; Reptifiles box turtle care] Goitrogenic brassica; feed only occasionally as part of varied diet to avoid thyroid disruption.

Greek Tortoise

Testudo graeca

[confidence: high] [source: The Tortoise Table; Tortoise Trust goitrogen article for Mediterranean tortoises] Goitrogenic brassica; avoid as regular food for Greek tortoises; occasional trace amounts tolerable.

Hermann's Tortoise

Testudo hermanni

[confidence: high] [source: The Tortoise Table; Tortoise Trust goitrogen article for Mediterranean tortoises] Goitrogenic brassica; avoid as regular food for Hermann's tortoises; occasional trace amounts tolerable.