Reptile · Eublepharis macularius · typical adult weight 0.04–0.10 kg
Vitamin B12 (cyanocobalamin) is dosed at 0.05 mg/kg SC, IM not stated in source in leopard geckos, per 63. Carpenter JW, Klaphake E, Gibbons PM, et al. Reptile formulary. In: Divers SJ, Stahl SJ, eds. Mader's Reptile and Amphibian Medicine and Surgery, 3rd ed., Elsevier, St. Louis, MO; 2019:1191-1211. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.268 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.9 (Nutritional/Mineral/Fluid Support Used in Reptiles.a). Located 2026-08-05: the only table covering this species in which the drug's own row prints this dose. The copy held is an ebook conversion with no printed page numbers, so the table is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929; Mader's Reptile and Amphibian Medicine and Surgery (Divers & Stahl) — ISBN 9780323482530, https://openlibrary.org/isbn/9780323482530. Vitamin B12 (cyanocobalamin) is used in leopard geckos for Appetite stimulant. Routes documented in leopard geckos: SC, IM. A typical adult leopard gecko weighs 0.04–0.10 kg. ExoticRx lists 1 cited dose rule for Vitamin B12 (cyanocobalamin) in leopard geckos, drawn from published veterinary references. Verify against current literature before clinical use.
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| SC, IM | 0.05 mg/kg | not stated in source | Appetite stimulant | Weak | 63. Carpenter JW, Klaphake E, Gibbons PM, et al. Reptile formulary. In: Divers SJ, Stahl SJ, eds. Mader's Reptile and Amphibian Medicine and Surgery, 3rd ed., Elsevier, St. Louis, MO; 2019:1191-1211. — Source: Carpenter's Exotic Animal Formulary, 6th Ed, p.268 — Carpenter's Exotic Animal Formulary 6th ed, Table 4.9 (Nutritional/Mineral/Fluid Support Used in Reptiles.a). Located 2026-08-05: the only table covering this species in which the drug's own row prints this dose. The copy held is an ebook conversion with no printed page numbers, so the table is the citable location. — SOURCE EDITION: Carpenter's Exotic Animal Formulary — ISBN 9780323833929, https://openlibrary.org/isbn/9780323833929; Mader's Reptile and Amphibian Medicine and Surgery (Divers & Stahl) — ISBN 9780323482530, https://openlibrary.org/isbn/9780323482530 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 0.05 | IM | BSAVA Small Animal Formulary, 10th ed — Part B (Exotic Pets)p.315 | 0.05 mg/kg i.m., s.c. |
| 0.05 | SC | Carpenter's Exotic Animal Formulary, 6th edTable 4.9 | 0.05 mg/kg SC, IM |
| 0.05 | SC | Mader's Reptile and Amphibian Medicine and Surgery, 3rd edTable 127.8 | 0.05 mg/kg SC, IM99 Snakes, lizards/appetite stimulant |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.
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These ranges are per kg. Enter your leopard gecko's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Added 2026-08-04 by the book-verification programme. Every dose rule under this entry was mined from a source, independently re-verified against that source, and adversarially challenged before publication. Drafted for: Blue-tongue Skink, Leopard Gecko
Species-specific contraindications and adverse-reaction reports for leopard geckos may differ from canine / feline reference data — consult the primary citations listed with each rule.
Vitamin B12 (cyanocobalamin) dose range in leopard geckos, with cited source references: SC, IM 0.05 mg/kg not stated in source. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Vitamin B12 (cyanocobalamin) in leopard geckos: SC, IM.
Vitamin B12 (cyanocobalamin) is indicated in leopard geckos for: Appetite stimulant.
These are general warnings for Vitamin B12 (cyanocobalamin) across species; consult the leopard gecko dosing table above for species-specific guidance. Added 2026-08-04 by the book-verification programme. Every dose rule under this entry was mined from a source, independently re-verified against that source, and adversarially challenged before publication. Drafted for: Blue-tongue Skink, Leopard Gecko
Why a species-specific page? Vitamin B12 (cyanocobalamin) pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in leopard geckos — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.