Repashy Calcium vs Zoo Med
Head-to-head comparison of Repashy Calcium Plus and Zoo Med Repti Calcium with D3. See specs, pros, cons, and our verdict.
Quick Winner
Repashy Calcium Plus
Repashy Calcium Plus earns our top recommendation for most keepers. Zoo Med Repti Calcium with D3 delivers solid performance at a lower price point.
Full VerdictPros & Cons
ARepashy Calcium Plus
Pros
- All-in-one: calcium + D3 + retinol + full vitamin/mineral profile
- Breeder-favorite — widely used in large-scale leopard gecko colonies
- Fine powder with excellent adhesion to feeder insects
Cons
- All-in-one formula means no flexibility to adjust individual nutrients
- Must not be combined with other D3 or vitamin A supplements
- Smaller 3oz jar runs out quickly in multi-gecko collections
BZoo Med Repti
Pros
- Lowest price per ounce — best value for daily supplementation
- Available at every major pet store chain and online
- Pharmaceutical-grade calcium carbonate with reliable D3 levels
Cons
- No vitamin A or trace minerals — requires a separate multivitamin
- D3 concentration not specifically calibrated for breeding females
- Basic formula lacks magnesium and other cofactors
The Bottom Line
Repashy Calcium Plus earns our top recommendation for most keepers. Zoo Med Repti Calcium with D3 delivers solid performance at a lower price point.
AChoose Repashy Calcium Plus if...
Breeders who want one supplement for their entire colony — maximum simplicity with complete nutrition
BChoose Zoo Med Repti if...
Budget-conscious breeders who want reliable calcium + D3 and already use a separate multivitamin
Want more options?
See all our picks in Best Vitamins for Breeding Leopard Geckos: Calcium, D3, and Supplement Guide (2026)
Common Questions
Repashy Calcium Plus (Best Overall) is best for Breeders who want one supplement for their entire colony — maximum simplicity with complete nutrition. Zoo Med Repti Calcium with D3 (Best Value) is best for Budget-conscious breeders who want reliable calcium + D3 and already use a separate multivitamin.
References & Sources
- https://reptifiles.com/leopard-gecko-care/leopard-gecko-feeding/
- https://www.petmd.com/reptile/crested-gecko-care-sheet
- https://reptifiles.com/crested-gecko-care/crested-gecko-food/
- https://reptifiles.com/mourning-gecko-care/feeding-your-mourning-geckos/
- https://reptifiles.com/giant-day-gecko-care-sheet/
- https://reptifiles.com/gargoyle-gecko-care-guide/gargoyle-gecko-food/