Fluker's Liquid Calcium Concentrate
Fluker's Liquid Calcium Concentrate earns a top spot for offering a straightforward, highly concentrated calcium solution that is cost-effective per dose for routine supplementation in both reptiles and amphibians. Compared with vitamin D3-containing liquids in this list, Fluker's technical advantage is its concentrated elemental calcium focus, letting keepers control UVB/D3 exposure separately and often saving money for large-scale or daily-use applications.
Concentrated calcium
Easy dropper
Concentrated calcium
Easy dropper
Review Summary
"Users report reliable calcium supplementation and easy dosing for feeders and live prey, with many noting improved reptile health after regular use. Some long-term users mention a strong odor and occasional clogging of droppers."
Cricket-dip favorite
Concentrated liquid calcium made for easy dilution and precise dosing.
Cricket-dip favorite
Concentrated liquid calcium made for easy dilution and precise dosing.
Increased Safety & Security
Time-Saving Convenience
Fluker's Liquid Calcium Concentrate earns a top spot for offering a straightforward, highly concentrated calcium solution that is cost-effective per dose for routine supplementation in both reptiles and amphibians. Compared with vitamin D3-containing liquids in this list, Fluker's technical advantage is its concentrated elemental calcium focus, letting keepers control UVB/D3 exposure separately and often saving money for large-scale or daily-use applications.
Concentrated calcium
Easy dropper
Cricket-dip favorite
Concentrated liquid calcium made for easy dilution and precise dosing.
Typically formulated without vitamin D3, suitable when adequate UVB is provided.
Concentrated calcium
Easy dropper
Cricket-dip favorite
Concentrated liquid calcium made for easy dilution and precise dosing.
Typically formulated without vitamin D3, suitable when adequate UVB is provided.
$8-15 USD
Zoo Med Repti Calcium with D3 Liquid
Zoo Med Repti Calcium with D3 Liquid stands out as a market leader due to its inclusion of vitamin D3 in a liquid format, making it especially useful for animals with limited UVB access and for amphibians that absorb across skin. Financially it competes well as a mid-priced, widely available option and technically edges out plain calcium products by reducing the need for separate D3 supplementation when UVB is insufficient.
D3 boosted
Fast assimilation
D3 boosted
Fast assimilation
Review Summary
"Most buyers praise the product's effectiveness and the inclusion of vitamin D3, reporting clear benefits to bone health and easy mixing into food. A minority of users note occasional batch-to-batch consistency differences."
Beardie-approved treat
Contains vitamin D3 to aid calcium absorption for animals with limited UVB exposure.
Beardie-approved treat
Contains vitamin D3 to aid calcium absorption for animals with limited UVB exposure.
Increased Safety & Security
Time-Saving Convenience
Recreational Enjoyment
Zoo Med Repti Calcium with D3 Liquid stands out as a market leader due to its inclusion of vitamin D3 in a liquid format, making it especially useful for animals with limited UVB access and for amphibians that absorb across skin. Financially it competes well as a mid-priced, widely available option and technically edges out plain calcium products by reducing the need for separate D3 supplementation when UVB is insufficient.
D3 boosted
Fast assimilation
Beardie-approved treat
Contains vitamin D3 to aid calcium absorption for animals with limited UVB exposure.
Liquid format allows quick coating of insects or mixing into food and water.
D3 boosted
Fast assimilation
Beardie-approved treat
Contains vitamin D3 to aid calcium absorption for animals with limited UVB exposure.
Liquid format allows quick coating of insects or mixing into food and water.
$10-20 USD
Exo Terra Liquid Calcium + Magnesium
Exo Terra Liquid Calcium + Magnesium is differentiated by its addition of magnesium alongside calcium, providing a broader mineral profile that supports neuromuscular function and bone health for sensitive reptiles and amphibians. While typically priced higher than single-mineral concentrates, its technical advantage is the dual-mineral formulation that can reduce the need for multiple supplements in mixed-species collections.
Adds magnesium
Mineral harmony
Adds magnesium
Mineral harmony
Review Summary
"Reviewers like the addition of magnesium and find it convenient for routine supplementation, with many reporting visible health improvements. Several users comment on an off-putting odor/taste and wish label instructions were clearer."
Frog-friendly formula
Adds both calcium and magnesium to help maintain mineral balance in diets.
Frog-friendly formula
Adds both calcium and magnesium to help maintain mineral balance in diets.
Increased Safety & Security
Time-Saving Convenience
Exo Terra Liquid Calcium + Magnesium is differentiated by its addition of magnesium alongside calcium, providing a broader mineral profile that supports neuromuscular function and bone health for sensitive reptiles and amphibians. While typically priced higher than single-mineral concentrates, its technical advantage is the dual-mineral formulation that can reduce the need for multiple supplements in mixed-species collections.
Adds magnesium
Mineral harmony
Frog-friendly formula
Adds both calcium and magnesium to help maintain mineral balance in diets.
Usually sold as a liquid concentrate for easy mixing and feeder coating.
Adds magnesium
Mineral harmony
Frog-friendly formula
Adds both calcium and magnesium to help maintain mineral balance in diets.
Usually sold as a liquid concentrate for easy mixing and feeder coating.
$12-22 USD
Rep-Cal Calcium with D3 Liquid
Rep-Cal Calcium with D3 Liquid is positioned as a trusted, lab-formulated option that balances purity and accessible dosing with vitamin D3 for animals lacking UVB exposure. Compared to other D3 liquids on this list, Rep-Cal often emphasizes consistent concentrations and quality control, offering a reliable middle-ground financially and technically for hobbyists seeking predictable supplementation.
D3 enriched
Stomach gentle
D3 enriched
Stomach gentle
Review Summary
"Long-term users consistently report improved calcium levels and effective D3 supplementation, praising the packaging and dosing accuracy. Occasional complaints focus on the price being higher than some competitors."
Chameleon tested
Concentrated liquid calcium with added vitamin D3 for improved calcium metabolism.
Chameleon tested
Concentrated liquid calcium with added vitamin D3 for improved calcium metabolism.
Increased Safety & Security
Time-Saving Convenience
Rep-Cal Calcium with D3 Liquid is positioned as a trusted, lab-formulated option that balances purity and accessible dosing with vitamin D3 for animals lacking UVB exposure. Compared to other D3 liquids on this list, Rep-Cal often emphasizes consistent concentrations and quality control, offering a reliable middle-ground financially and technically for hobbyists seeking predictable supplementation.
D3 enriched
Stomach gentle
Chameleon tested
Concentrated liquid calcium with added vitamin D3 for improved calcium metabolism.
Designed for precise dosing and convenient application to feeders or food items.
D3 enriched
Stomach gentle
Chameleon tested
Concentrated liquid calcium with added vitamin D3 for improved calcium metabolism.
Designed for precise dosing and convenient application to feeders or food items.
$12-25 USD
Zilla Calcium Supplement Spray
Zilla Calcium Supplement Spray is unique as a spray delivery system designed for easy topical applications and misting behavior—especially useful for amphibians and finicky feeders that reject dusted prey. Although its per-dose cost can be higher than concentrates, the technical advantage of convenient surface application and reduced handling makes it a practical companion product to the concentrated liquids in this list.
Spray-on dosing
Quick surface coating
Spray-on dosing
Quick surface coating
Review Summary
"Buyers appreciate the spray format for easy application to live feeders, but many say results are inconsistent and residue can build up on food or enclosure surfaces. Overall it's seen as a budget-friendly option but less reliable for strict calcium management."
No-mess mist
Spray/mist format makes it easy to coat plants, enclosure surfaces, or prey items.
No-mess mist
Spray/mist format makes it easy to coat plants, enclosure surfaces, or prey items.
Increased Safety & Security
Time-Saving Convenience
Zilla Calcium Supplement Spray is unique as a spray delivery system designed for easy topical applications and misting behavior—especially useful for amphibians and finicky feeders that reject dusted prey. Although its per-dose cost can be higher than concentrates, the technical advantage of convenient surface application and reduced handling makes it a practical companion product to the concentrated liquids in this list.
Spray-on dosing
Quick surface coating
No-mess mist
Spray/mist format makes it easy to coat plants, enclosure surfaces, or prey items.
Often formulated without D3 to complement animals receiving natural or artificial UVB.
Spray-on dosing
Quick surface coating
No-mess mist
Spray/mist format makes it easy to coat plants, enclosure surfaces, or prey items.
Often formulated without D3 to complement animals receiving natural or artificial UVB.
$8-18 USD