Zoo Med Repti Calcium with D3 Reptile Supplement

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Keep your pal healthy with the Zoo Med Repti Calcium with D3 Reptile Supplement. Calcium is essential for the health and wellbeing of reptile and amphibian buddies, and this supplement provides them with a highly bioavailable source of calcium that has no phosphorus or lead. Made with only ultrafine precipitated calcium carbonate, it’s free of impurities and has particles that have a lot of surface area to increase absorption in your pal’s tummy. It also has vitamin D3, known to benefit reptiles that spend most of their time indoors. Using it is easy―simply dust crickets or sprinkle on herbivore food, and then feed your pal as usual. Plus, the formula is made in the USA with no filler or additives.

Key Benefits
  • Formulated with ultrafine precipitated calcium carbonate with no impurities, phosphorus, or lead.
  • Uniquely shaped particles have more surface area to increase calcium absorption.
  • Enhanced with vitamin D3 to benefit reptiles that don’t spend a lot of time outdoors.
  • Easy to use by simply dusting crickets or sprinkling on herbivore food during daily meals.
  • The formula is proudly made in the USA with no fillers, additives, artificial colors or flavors.

For use with reptiles and amphibians only. Keep out of reach of children.

See all items by Zoo Med

  • Item Number
  • Weight
    3 ounces
  • Food Form
  • Reptile Type
    Lizard, Snake, Tortoise, Aquatic Turtle, Bearded Dragon
  • Product Form
Nutritional Info

Precipitated Calcium Carbonate, Cholecalciferol (Source of Vitamin D3).

Guaranteed Analysis
Moisture1.0% max
Calcium38.0% min
Calcium43.0% max
Vitamin D310,390 IU min
Feeding Instructions

**Insectivores - ** Place crickets in a plastic bag along with Repti Calcium and shake to dust crickets with the powder. Feed approximately 12 dusted crickets per week for every 2.5 oz (71 g) of body weight.

**Herbivores - ** Add approximately 1/2 teaspoon Repti Calcium to food for every 5 oz (142 g) of body weight on a weekly basis.

**Omnivores - ** Use either of the above methods as desired.

A Walk on the Wild Side

Zoo Med makes it their mission to provide reptiles and other exotic pets with the very best food, supplements and habitats. This company of passionate hobbyists knows that not all pets are furry with four paws and offers a true understanding of reptiles, amphibians, fish and invertebrates. Whether you're new to reptile care and fishkeeping or are an experienced breeder, Zoo Med covers it all.

A Walk on the Wild Side

An Exotic Diet for an Exotic Pet

When it comes to your pet's dinner, the menu consists of worms, crickets and snails galore. Zoo Med offers a wide range of nutritious and tasty food to feed every exotic pet a special diet that's made just for them.

Turtles and Tortoises

Turtles and Tortoises: From treats to whole diets, Zoo Med provides a nutritional boost to fit any turtle or tortoise want or need.


Lizards: For pets like bearded dragons, there's a selection of tasty options, including cans of mealies, grasshoppers and caterpillars and complete pellet diets.


Fish: Your tropical fish enjoys a treat every now and then, and Zoo Med offers a tasty variety to choose from.


Frogs: Including high-protein, sinking pellets that mimic what frogs would eat in the wild, this frog food is just what you need to keep your amphibian jumping.

Give Him an Extra Boost

Give Him an Extra Boost

Because any pet could benefit from a little extra care, Zoo Med makes supplements that will help fortify your exotic pet's health and environment. Feeding him a supplement, in addition to his healthful meal, can be the extra step that it takes to keep your frog, lizard, turtle or fish happy and healthy.

Rest, Relax and Thrive

Every exotic pet needs a place to call their own, and Zoo Med makes it easy to keep them comfortable and thriving.



Mimic the true feel of a tropical or desert climate with lighting that gives reptiles the warmth of a natural habitat. The selection includes long-lasting bulbs that require minimal maintenance and infrared lights that won't disturb sleep patterns.



With bedding made from renewable sources like coconut husks that allow animals to burrow and nest as they would in the wild, consider Zoo Med your source to create a home within your home.

About Zoo Med

About Zoo Med

Since 1977, Zoo Med has been manufacturing products for reptiles, amphibians, birds and aquatic pets. Led by experience and dedication, they provide truly innovative products, with an emphasis on efficiency and minimizing environmental impact. At Zoo Med, they are never satisfied with the status quo, which is why they constantly strive to bring the latest and greatest options right into the homes of the pet lovers that need them.

Shop Zoo Med

Rating: 4.7 of 5 stars 58 Reviews 58 Reviews 4.8 out of 5 Stars

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98% Recommend

98% of reviewersrecommend this product

Rating: 4.7 of 5 stars 4.8 / 5

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58 Reviews

Showing 1-10 of 58 Reviews

  • 4 out of 5 stars

    Easy to use

    By Emma on Dec 6, 2021

    I would grind the egg shells and feed my turtle , but I noticed that they would come out the other end this is powder so it gets absorbed.

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  • 5 out of 5 stars

    Calcium powder

    By Emmalee on Aug 19, 2021

    It's a big container for what I need it has all the right vitamins and everything you need to dust the food and I just love it I definitely won't have to get it for a little bit but when I do I'll definitely be getting it from here

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  • 5 out of 5 stars

    I guess it works

    By Sonia on Jun 3, 2021

    I take a plastic bag, turtle's food, the calcium supplement, and shake it up. Turtle still eats the food when it has the white stuff on it, so that's all that matters. Looks healthy to me.

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  • 4 out of 5 stars

    Great Boost

    By Great on May 31, 2021

    My turtle likes this, it is a little messy, but I use the lid of the pellet food to dust over and then give to my turtle. I think it helps her shell.

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  • 1 out of 5 stars

    Beardie Hates It

    By JoJo on Apr 2, 2021 top500Contributor

    Ive tried for SO LONG to get my beardie to take this supplement. Ive tried putting it on dry pellets, veggies, grasshoppers, meal worms, underneath his food, and even tried putting it directly onto his mouth. He WILL NOT eat it. He clearly is more willing to starve than eat anything this touches.

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  • 5 out of 5 stars

    Must have for Reptiles

    By 5Dogsmom on May 20, 2021

    I use this for our bearded dragon, 5 days a week to make sure she is getting enough calcium in her diet. Easy to sprinkle on her bugs and/or salad.

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  • 5 out of 5 stars

    It’s Calcium

    By Dude on Jul 29, 2021

    Ya know, my tortoise needs it, I wanted it, they had it, I got it.

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  • 5 out of 5 stars

    reptile cal

    By Claudia on Feb 13, 2021

    I use this for my tortoise! It's easy to use and it is great for gardening her shell. Before I bought it, her shell was too soft. Now it's where it should be.

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  • 5 out of 5 stars

    Love This would recommend

    By Mushu on Dec 28, 2020

    They usually hate veggies and now they love them with calcium if you didn’t my know baby’s only supposed to have it 5 times a week and adults 3 times a week we love it and when he eats it he look so funny after with all the powder on his lips we love this and strong and healthy bones

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  • 3 out of 5 stars

    miss a spoon

    By roseberry on Jan 16, 2021

    This product is good but one thing was missing their was no spoon to scoop out the calcium and I had to find something to scoop it out with

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