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Feeding & Nutritional Guide for Crested Geckos

Crested geckos are omnivorous reptiles that naturally consume both insects and fruits. Insects such as crickets, mealworms, and roaches provide essential protein and fat, while fruits supply important vitamins and minerals. As crested geckos are nocturnal, feeding is generally recommended during the evening hours.

To accommodate keepers who may be uncomfortable handling live insects, specially formulated reptile superfoods containing insect protein and balanced nutrients have become widely available. These diets have significantly lowered the barrier to successful crested gecko husbandry. With the exception of specific periods such as breeding and egg production, many crested geckos can be maintained in good health on a high-quality superfood diet alone. However, individual preferences may vary, and some geckos may favor certain formulations over others.

Feeding with Superfood Diets

Superfoods are typically provided in powdered form and should be mixed with water to achieve an appropriate consistency before feeding. A feeding schedule of once every 2–3 days is generally recommended.

Although a complete superfood diet can support healthy growth and maintenance, combining it with live insects often results in faster growth and enhanced enrichment. One commonly used feeding program is:

• Superfood Diet – 2 Feedings

• Live Insects – 1 Feeding

This rotation provides a balanced combination of nutrition and natural feeding behavior.

Importance of Calcium Supplementation

Calcium is an essential mineral for reptiles, supporting bone and dental health, muscle function, nerve transmission, and blood clotting. Juvenile crested geckos grow rapidly and therefore require adequate calcium intake to support proper skeletal development.

Insufficient calcium can lead to Metabolic Bone Disease (MBD), a serious condition that may result in weakened bones, skeletal deformities, and fractures. Proper calcium supplementation plays a critical role in reducing the risk of this condition.

For optimal nutrition, the calcium-to-phosphorus ratio should be maintained at approximately 2:1. Because feeder insects such as crickets naturally contain relatively high levels of phosphorus, it is important to dust them thoroughly with calcium powder before feeding.

Vitamin D3 is also important, as it facilitates calcium absorption and utilization. Calcium supplements containing Vitamin D3 can be beneficial, particularly for reptiles with limited UVB exposure. However, excessive supplementation should be avoided, as overconsumption of Vitamin D3 may lead to toxicity.

Female crested geckos require additional calcium during breeding and egg-laying periods. Extra attention should be given to calcium supplementation during these stages to support reproductive health and proper egg development.