is this 100% calcium?

100% natural phosphorus free oyster shell calcium carbonate

Can I give this to opossums? I have a litter of 5 I am trying to raise/release that came from a possum hit by car.

As far as I know this is only for reptiles, but I’m no expert on mammals. I’d recommend finding one made specifically for young mammals.

There is no expiration date on the package. Does this calcium ever go bad?

its straight calcium, no expiration date on this

Why do so many YouTube Leopard Gecko videos say to place Calcium WITHOUT Vitamin D3 into a dish for Leo inside the enclosure?

The D3 excess can make your gecko ill. Its better to feed them with no D3 calcium and use adequate UVB lights because Vit D3 is a natural occurrence in your gecko body, the vitamin D that your pet gets from the food converts to vit D3 because of the action of the sun (or lamp) UVB rays. Thats why if you feed him with excess D3 it can hurt your gecko kidneys.

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🦎 Elevate your reptile’s health with pure, phosphorous-free power!

CUSTOMIZABLE DOSAGE - Easy to mix—just ½ to 1 tablespoon per pound of food
NO VITAMIN D 3 ADDED - Perfect for controlled supplementation and UVB exposure management
COMPACT 3 3 OUNCE SIZE - Ideal for precise dosing and minimal waste
NATURAL OYSTER SHELL SOURCE - 100% natural calcium carbonate for optimal absorption
PURE PHOSPHOROUS FREE CALCIUM - Supports strong bones without harmful phosphorous

Rep-Cal SRP00220 is a premium 3.3-ounce calcium powder supplement made from 100% natural phosphorous-free oyster shell calcium carbonate. Designed specifically for reptiles and amphibians, it supports healthy bone development without added Vitamin D3, allowing you to tailor UVB and dietary needs precisely. Easy to mix with a variety of foods, it’s a must-have for any responsible reptile keeper aiming for optimal pet wellness.

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