Fish oil supplements can support a cat's coat, joints, and immune health — but the right dose depends on body weight. Enter your cat's weight and select kilograms or pounds into the Fish Oil Dosage for Cats Calculator to get the recommended daily EPA/DHA dosage in mg, plus the equivalent volume in milliliters for easy measuring.
Daily Fish Oil Dosage
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Daily Dosage Volume
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Cat Weight
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Fish oil is derived from fatty fish tissues and contains essential omega-3 fatty acids EPA and DHA. For cats, fish oil supplements can promote a healthier coat, support optimal retinal function, reduce inflammation, and support joint health.
The calculator uses the standard veterinary recommendation of 40mg of combined EPA/DHA per kilogram of body weight. Simply enter your cat's weight, select the unit, and the calculator provides the recommended daily dosage.
Fish oil supplements are generally safe for cats when given in appropriate doses. However, excessive amounts can cause side effects like loose stools or vomiting. Always consult with your veterinarian before starting any supplement regimen.
It's not recommended to give cats human fish oil supplements. Pet-specific formulations are safer as they avoid potentially harmful additives and provide appropriate concentrations for feline needs.
Potential side effects include loose stools, vomiting, fishy breath, and in rare cases, vitamin E deficiency with long-term use. Start with a quarter of the recommended dose and gradually increase while monitoring for any adverse reactions.
Fish oil can be given as liquid drops mixed into food, soft gel capsules (punctured and squeezed onto food), or pump dispensers. Many cats prefer it mixed into wet food to mask the taste.
Quality fish oil for cats contains EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), which are omega-3 fatty acids. Look for products that clearly display EPA and DHA amounts on the label.