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
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Guaranteed lowest authorized price. Learn more.
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Guaranteed lowest authorized price. Learn more.
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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.
Review Summary
46 total reviews
Rated 4.98 out of 5 stars
100% of respondents would recommend this to a friend
Ratings Distribution
45 5 star reviews
1 4 star reviews
0 3 star reviews
0 2 star reviews
0 1 star reviews
Reviews
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Great product!
From UndisclosedComments about Rx D3This product has been highly recommended to me for my two dogs from two different holistic vets that I have brought them too. They have been on it for over three years and they are both super healthy. -
Very palatable
From UndisclosedComments about Rx D3Only my one cat has been diagnosed with vitamin D deficiency, but my God, the other two cats love the stuff as well. In my face! -
Perfected levels
From UndisclosedComments about Rx D3Prescribed by our holistic vet for both dogs after vitamin D levels were tested and both were a bit low. After the retest the levels are where they should be so we will continue to buy this again and again! -
Good price - fast delivery - good product
From UndisclosedComments about Rx D3great Vet recommended product (though I suggest you get your dog tested and get recommended dosage before purchasing). Fast delivery - good price. -
Palatable for two out of three pets and effective for all.
From UndisclosedComments about Rx D3My vet tested my pets' vitamin D3 levels and all three were deficient. She recommended Vet Rx D3 for the cats and D3 Forte for my dog then retested in three months and their levels were normal. My dog LOVES the taste and licks it out of my hand. One cat likes the taste and the other doesn't, so I had to dose him with a syringe for months until he finally adjusted and would eat it mixed into his food. I don't think anyone should give their animals D3 with out a vet's supervision. -
Works great for my kitties with previously low vit D levels
From UndisclosedComments about Rx D3This product was recommended to us by our veterinarian, and it has really helped our kitties who previously had low vitamin D levels. It used to be formulated in olive oil, but it's now in coconut oil. No difference in product activity or effects so far. Also, VetRxDirect shipped the bottles in a box, which was great! I've had other companies ship similar products in padded bags, and the bottles have broken, so I appreciate the extra shipping protection.
Displaying Reviews 41 - 46
Q & A
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5 pound dog, how many drops and should it be daily??
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I ask for medication or vitamins to give my older cat for dry mouth. No where in the information does it mention dry mouth ???
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Rx Dx is a vitamin D3 supplement designed for dogs and cats with a deficiency or dietary needs. This product is not intended for dental care or oral conditions, including dry mouth. If your cat has dry mouth, please consult with your veterinarian. Your veterinarian can discuss and recommend the best treatment option for your cat’s needs
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Is the vitamin D supplement tasteless?
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According to the ingredients list on the product labeling, Rx D3 and Rx D3 Forte do not contain any flavoring.
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How long is the product good for? Do you go by the expiry date on the bottle or from the time of opening??
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The manufacturer of Rx-D3 goes by the expiration date listed on the bottom of the bottle regardless of opening date. If you have specific concerns about a particular product before you order, you may contact the pharmacy via email at [email protected].
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After testing, the lab recommended 2000 IU/day (0.75 on the dropper) for my dog, however the measurement on the dropper of 0.75 contains 30 drops which would be 3000 IU/day. Stick with the 20 drops to be sure??
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The Rx D3 contains 100 IU per drop. To achieve a dose of 2000 IU/day, 20 drops of the Rx D3 would have to be given. The Rx D3 Forte contains 500 IU per drop. The number of drops of the Rx D3 Forte formulation would be 4 drops to reach 2000 IU/day. Your veterinarian may be able to assist with more specific instructions.
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The difference between the RX d3 and RX D3 forte??
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The difference between these products is the amount of vitamin D. RX D3 contains 100 IU of vitamin D3 per drop, whereas RX D3 Forte contains 500 IU of vitamin D3 per drop.
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How soon can my dog eat after taking her daily drops of D3 Forte?
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Rx D3 can either be administered by mouth or mixed into your dog’s food. It is important to give this with a meal, not on an empty stomach for proper absorption. To ensure your dog receives the appropriate dose, you may consider mixing the dose in with a small amount of food prior to the main meal. Please consult your veterinarian with any further questions or concerns regarding the use of these medications for your dog.
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I have had this in the refrigerator. Does this change the potency or effectiveness??
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According to the manufacturer, refrigeration will not adversely affect the potency or efficacy of the formula; however, do not allow RxD3 to freeze.
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Does this get refrigerated??
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According to the manufacturer’s product label, Rx D3 and Rx D3 Forte should be stored at room temperature out of direct sunlight.
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I understand there are 500 IU per drop but how many drops are in a mL??
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According to the product label, Rx D3 Forte contains 15,000 IU of Vitamin D3 per 1 ml and 500 IU per drop. Using the included dropper that is provided from the manufacturer, 1 ml would contain 30 drops.
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Displaying Questions 1 - 10