Can Greek Tortoises eat Aloe Vera?
Aloe barbadensis miller
Safety verdict
Toxic
Why
[confidence: high] [source: The Tortoise Table plant database (tortoisetable.org.uk), exotic reptile veterinarian review, peer-reviewed herpetology or veterinary toxicology journal covering anthraquinone glycoside toxicity in chelonians.] Aloe vera contains anthraquinone glycosides (notably aloin and barbaloin) in the latex layer, which are known laxatives and gastrointestinal irritants that can cause severe diarrhea, dehydration, and systemic toxicity in Greek Tortoises (Testudo graeca). The Tortoise Table classifies aloe vera as a 'do not feed' plant for tortoises due to these compounds.
How much / how often
Should not be offered at any quantity — avoid entirely.
Preparation
No preparation method safely removes the toxic anthraquinone glycosides from the latex; even the gel carries risk of contamination during home preparation.
Nutrition (per 100 g)
8 mg
Calcium
5 mg
Phosphorus
1.6:1
Ca:P ratio
none
Oxalate
Reviewed by admin on May 2026