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Global Animal Guide

Bearded Dragon Diet: Insects, Greens & Calcium

Vet-reviewed via PetHealth+ · Last reviewed June 2026

Juvenile bearded dragons eat mostly insects; adults shift to 80% vegetables. Dust insects with calcium and provide UVB lighting for bone health.

Juveniles

Feed insects daily plus offered greens.

Adults

Insects several times weekly; salad daily.

Supplements

Calcium with D3 if UVB is inadequate — vet guidance essential.


Related: How to care for a bearded dragon

Frequently asked questions

What insects can bearded dragons eat?

Crickets, dubia roaches, and locusts — avoid fireflies and wild-caught insects.

Can they eat fruit?

Small amounts occasionally — too much sugar is harmful.

How often to dust calcium?

Most juveniles need calcium on most insect meals; adults less frequently.

Why is my dragon not eating?

Brumation, incorrect temperatures, parasites, or impaction — vet check if prolonged.

Sources