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Veterinary cardiologists often hear questions about dietary supplements in pets with cardiac disease. Pet owners want to know if supplements can help manage their pet’s condition and which ones are safe. While some supplements do offer benefits, they are no substitute for prescription medications. Also, choosing the right supplement requires careful consideration. Before starting any new supplement, pet owners should consult their primary veterinarian or their veterinary cardiologist to ensure the supplement complements their pet’s prescribed treatment plan. This post will explore common nutritional supplements, their potential benefits and how to select the best options.
Understanding the Role of Dietary Supplements in Pets with Cardiac Disease
As in humans, dietary supplements can provide additional nutritional support in pets who need them. But first, what are nutritional supplements? Simply put, they are vitamins, minerals, herbs and probiotics. They come in a variety of forms, from tablets or capsules to powders or liquids.
Certain dietary supplements can benefit pets with specific types of cardiac diseases. These supplements can affect the heart beyond their nutritional properties or correct nutrient deficiencies in the pet. However, any supplement could cause side effects if taken at the wrong dosage, and supplements are not always beneficial for every pet.
Without exception, any time a patient starts taking supplements, his owner should consult with the primary veterinarian or veterinary cardiologist to make sure that it is safe. If considering a particular supplement, take a photo of the bottle to share with the vet, or write down the exact name and manufacturer so the vet can look it up.
The biggest safety issue is that, unlike with pharmaceuticals, the Food and Drug Administration (FDA) does not review the safety, effectiveness or quality of supplements before they are sold. Pet owners cannot assume that dietary supplements on the market are safe, effective or of good quality the same way that they can with drugs regulated by the FDA. Furthermore, even if a supplement has been proven safe and effective, quality control can be highly variable.
Common Supplements for Cardiac Health
Several dietary supplements in pets with cardiac disease may support heart function. However, not all supplements are appropriate for every pet. Below are commonly recommended options:
Taurine
Taurine is an amino acid critical for heart health. Deficiencies can lead to dilated cardiomyopathy (DCM), particularly in certain canine breeds. Many commercial pet foods now include taurine, but pets, especially cats, on homemade or specialized diets may require supplementation. Many veterinarians recommend supplementing taurine in some pets with DCM even if they do not have deficiencies.
L-Carnitine
L-carnitine plays a role in energy production within heart cells. While deficiencies are rare, supplementing L-carnitine may help pets with DCM. Side effects are minimal but can include gastrointestinal upset.
Omega-3 Fatty Acids
Omega-3 fatty acids from fish oil have anti-inflammatory properties. They may help slow muscle loss in pets with congestive heart failure and improve appetite. They can also be used in pets with arrhythmias. Unlike in humans, omega-3 fatty acids do not help prevent heart disease in pets. This is because pets do not develop the condition omega-3 fatty acids most often prevent in humans: coronary artery disease.
Coenzyme Q10 (CoQ10)
Coenzyme Q10 supports cellular energy production and acts as an antioxidant. Some studies suggest potential benefits for dogs with advanced cardiac disease, particularly degenerative valve disease. But dosing depends not only on the dog’s size, but also on the form of the supplement. For this reason, it is important to talk to a veterinarian or cardiologist about the dose and form to use.
Safety Concerns and Regulatory Issues
As mentioned above, dietary supplements in pets with cardiac disease are not regulated like prescription medications. The FDA does not assess their safety or effectiveness before they reach the market. Therefore, pet owners should:
- Look for products verified by the United States Pharmacopeia Dietary Supplement Verification (USP-DSV) program. This is not on par with the FDA approval carried by drugs, but it is, at least, an assessment of quality in supplements.
- Avoid combination supplements. They often do not have optimal levels of each individual nutrient, and it can be difficult to maintain quality control of multiple ingredients simultaneously. Generally, veterinarians recommend supplementation of individual nutrients rather than these combination products.
- Choose individually tested supplements with consistent quality control.
Potential Risks and Side Effects
Even beneficial supplements can cause adverse effects if given in incorrect dosages. Additionally, fillers and contaminants in some products could cause gastrointestinal distress. Signs of potential issues include vomiting, diarrhea, lethargy and weakness. Regular veterinary checkups help monitor a pet’s response to supplementation and adjust dosages as needed.
Making Informed Decisions
In conclusion, when considering dietary supplements in pets with cardiac disease, owners should consult a veterinarian or veterinary cardiologist. The best approach involves selecting supplements backed by scientific evidence, using reputable brands and closely monitoring the pet’s health. By prioritizing quality and professional guidance, pet owners can help support their pet’s heart health safely and effectively.
Charlotte Animal Referral and Emergency operates as the pet equivalent of a medical center for humans and stays open 24 hours a day, 365 days a year. CARE provides all types of treatment, from emergency attention to board-certified specialty work, once you get a referral from your primary care veterinarian. You can take a visual tour of the practice at carecharlotte.com/tour.
