Rx D3
Starting At $22.00

Rx D3

$22.00
Or save an extra 20% on your first order (up to $20) with Autoship* $17.60
(save 5% on all recurring orders)

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  • Manufacturer Authorized Retailer

  • Usually ships the same weekday before 3pm CT.

What are Rx D3 and Rx D3 Forte by Rx Vitamins for Dogs and Cats?

  • Rx D3 is a nutritional supplement for dogs and cats that contains pure Vitamin D3 in the form of cholecalciferol.
  • The cholecalciferol is blended with MCT oil and diluted sufficiently to enable safe usage in animals as small as 9 lbs.
  • Rx D3 Forte is designed for dogs and cats with a greater deficiency or advanced dietary needs.

Why is Rx D3 given to cats and dogs?

  • Vitamin D3 helps with calcium and phosphorus absorption in the body and helps support immune system health and function.
  • Vitamin D3 is involved in the regulation of thousands of genes and helps prevent inflammatory diseases once it has been processed by the liver.
  • Dogs and cats are unable to convert sunlight into Vitamin D and receive all their Vitamin D from food. Rx D3 supports the health of dogs and cats that are not getting enough Vitamin D in their diet.

What else should I know about Rx D3?

  • There are about 1800 drops per bottle.
  • Store at room temperature, out of direct sunlight.

What problems could my dog or cat have with Rx D3?

  • Keep out of reach of children and animals.
  • In case of accidental overdose, contact a health professional immediately.
  • If animal's condition worsens or does not improve, stop product administration and consult your veterinarian.

How do you use Rx D3?

  • Use as directed by your veterinarian.
  • A vitamin D3 test using the VDI Laboratory test kit is recommended in order to establish a safe and effective dosage. Retesting in 8-10 weeks to ensure Vitamin D3 sufficiency is also recommended.

What is in Rx D3 and Rx D3 Forte?

Rx D3

  • Active ingredients per 1 mL: 3000 IU of Vitamin D3 as cholecalfiferol.
  • Active ingredients per 1 drop: 100 IU of Vitamin D3 as cholecalfiferol.
  • Inactive ingredient: MCT Oil.

Rx D3 Forte

  • Active ingredients per 1 mL: 15,000 IU of Vitamin D3 as cholecalfiferol.
  • Active ingredients per 1 drop: 500 IU of Vitamin D3 as cholecalfiferol.
  • Inactive ingredient: MCT Oil.

Will I get what I see in the picture?

  • Rx D3 is a brand name. You will receive the exact brand that you request.

Is it important for my dog or cat to finish all of the Rx D3?

  • Dogs and cats may use this product for different lengths of time. Please consult your veterinarian if you have any questions.

Who makes Rx D3?

  • Rx D3 is made by the manufacturer Rx Vitamins.