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Spirulina for Dogs: Health Benefits, Safety And Usage
Howdy, pet lovers!
Today we are going to discuss one algae that has a historical background. It has been consumed by the ancient Aztecs, a Mesoamerican civilization. However, its modern popularity surged thanks to NASA, which proposed spirulina could be cultivated in space to support astronauts during long missions.
The fascinating part? It's derived from an organism that thrives in both fresh and saltwater. It took some time for its benefits to be fully explored for human use.
But what about our furry friends? Is spirulina safe for dogs? What are its benefits?
Let's explore!
Jump To:
- What is Spirulina?
- Health Benefits of Spirulina for Dogs
- Is Spirulina Safe for Dogs?
- How to Add Spirulina to Your Dog’s Diet?
What is Spirulina?
Spirulina is a type of cyanobacteria, often referred to as blue-green algae or as Arthrospira platensis and Arthrospira maxima, and is a single-celled microbe that generates energy through photosynthesis, utilizing sunlight. Arthrospira platensis got its name from its spiral-shaped filaments ("Arthro" meaning jointed, and "spira" meaning spiral), while Arthrospira maxima got its name from its size ("maxima" meaning largest)
Do you remember photosynthesis? It's like a plant superpower! Plants use sunlight, water, and carbon dioxide to make their own food. They turn these ingredients into something called glucose, which gives them energy to grow. And as a bonus, they release oxygen, which we need to breathe!
Spirulina is packed with many nutrients. According to the National Agricultural Library, 100g of spirulina has the following composition:
- Water: 90.7 g
- Calories: 26 kcal
- Protein: 5.92 g
- Fat: 0.39 g
- Fiber: 0.4 g
- Carbohydrate: 2.42 g
What's fascinating about Spirulina is that while it appears to contain mostly water in its fresh form (90.7 g per 100 g), the real value lies in its dried form. When the water is removed, you're left with a product that's nearly two-thirds protein by weight. This makes dried Spirulina an incredibly concentrated source of nutrition.
The quality of the protein in spirulina is considered excellent and provides all the essential amino acids that the body needs.
Spirulina also contains the following bioactive compounds:
- Calcium: 12 mg
- Iron: 2.79 mg
- Magnesium: 19 mg
- Phosphorus: 11 mg
- Potassium: 127 mg
- Sodium: 98 mg
- Zinc: 0.2 mg
- Copper: 0.597 mg
Health Benefits of Spirulina for Dogs
Spirulina offers many benefits to dogs. Let’s take a look!
Boosting the Immune System
This supplement is rich in antioxidants, vitamins, and other beneficial compounds that enhance your dog’s immune system. It contains phycocyanin, a potent compound that aids in the production of white blood cells, crucial for defending the body against infections and diseases. Spirulina also promotes antibody production, which helps improve your dog’s ability to combat pathogens and recover more swiftly from illnesses.
A study involving 30 dogs that were fed spirulina demonstrated improved immune system function in the test group. These dogs exhibited a significantly stronger vaccine response and higher levels of fecal IgA compared to the control group.
Additionally, spirulina supplementation contributed to greater stability in gut microbiota among the dogs.
In summary, incorporating spirulina into your dog's diet can significantly boost immune response and support gut health.
Canine demodicosis (CD), a parasitic skin disease caused by Demodex canis mites, is common in dogs with weakened immune systems, especially young or debilitated animals. Spirulina, rich in essential nutrients and known for its immune-boosting properties, has shown promise in treating this condition. In one study, dogs treated with Spirulina and amitraz baths recovered faster than those without Spirulina, highlighting its potential to support skin health and immunity. This makes Spirulina a valuable supplement for dogs with skin issues and decreased immune system function.
Weight Loss
While no specific studies have examined spirulina’s effects on weight loss in dogs, it is recognized as a valuable supplement for several reasons:
- Rich source of protein: During a weight loss program, there’s a risk of losing muscle mass. Spirulina helps support the maintenance of lean muscle, which is crucial for healthy weight loss.
- Promotes satiety: Spirulina’s high protein content, along with its concentration of phenylalanine (a compound known to reduce appetite), can help your dog feel fuller for longer, potentially curbing overeating.
Five studies in humans (7 treatment groups) showed that spirulina supplementation significantly reduced body weight by an average of 1.56 kg. The effect was greater in obese individuals, with a weight loss of 2.06 kg, compared to 1.28 kg in overweight participants. Spirulina also led to significant reductions in body fat percentage and waist circumference.
Enhancing Digestion and Gut Health
As previously mentioned, spirulina is an algae that absorbs toxins from the water in which it grows, making it an excellent detoxifier and toxin absorber. Its beneficial compounds also contribute to its high digestibility.
Additionally, spirulina contains enzymes that aid in breaking down food, resulting in smoother and more efficient digestion. This supplement is particularly suitable for dogs with sensitive stomachs, providing gentle support to improve overall gut health.
Spirulina has a diverse range of applications across the food industry, cosmetology, medicine, and pet nutrition. It offers high-quality protein and is rich in beneficial metabolites. Also, its content of gamma-linolenic acid, phycobilins, B-group vitamins, vitamin E, beta-carotene, and essential minerals such as iron, selenium, zinc, and copper exceeds that of many other food sources commonly used in dog diets.
Studies show that spirulina can be effectively used as a dietary supplement to support various aspects of canine health, including aiding in intestinal dysbiosis or enhancing it.
Another study shows that besides the many benefits that include a healthy immune system, this algae can improve gut microbiota stability.
Note: If you are interested in other health benefits, consult with a veterinarian and check if this supplement is a good choice for your pet.
Is Spirulina Safe for Dogs?
These blue-green algae is widely recognized as safe for dogs, with both research and veterinary experts endorsing its use as a natural supplement.
A few studies have highlighted its nutritional benefits, including immune support, improved gut health, and enhanced overall wellness.
The aim of the following study was to evaluate if the dietary supplementation of spirulina for 6 weeks is palatable to pets and to assess the owner’s perception of such supplementation. The owners of the 60 dogs and 30 cats that participated in this study were instructed to daily provide spirulina tablets.
Each owner completed a questionnaire at the time of recruitment and the end of each 2-week period. No side effects were detected by the owners’ reported evaluations. So this study concluded it’s palatable and well tolerated by dogs and cats. Owners of senior dogs appeared willing to adopt dietary spirulina supplementation in the future for their pets.
Possible Side Effects
Spirulina is generally safe, but some dogs may experience mild side effects, especially if given in large quantities or if they have sensitive stomachs. Some of the most common possible side effects include:
- Digestive upset: Some dogs may experience nausea, diarrhea, or gas when first trying spirulina supplements. This is not something that you should be scared about, but you should only observe your dog. The same happens with humans as well. When I first started taking spirulina, I needed some time to adapt to it. To avoid gastrointestinal side effects, begin with a small amount and gradually increase the dosage to allow your dog’s system to adjust.
- Allergic reactions: It is a very rare side effect, but still, some dogs may be allergic to spirulina. The most common side effects of allergic reactions include itching, swelling, or trouble breathing. If you notice any of these symptoms, discontinue use immediately and contact your veterinarian.
- Contaminants: Spirulina supplements sourced from unregulated or polluted waters can contain toxins like heavy metals or microcystins. These toxins are harmful to dogs and can lead to severe health problems, including liver damage. Our recommendation to avoid this is to search for a reputable brand to avoid toxicosis.
Importance of Choosing High-Quality Spirulina Products
To ensure that the spirulina supplement is both safe and beneficial for your dog, it's important to select a high-quality, reputable product. Here are some tips:
- Choose organic and contaminant-free if possible: Look for spirulina sourced from clean, controlled environments to avoid harmful toxins.
- Request product verification: Ask the company for a detailed analysis or certificate of quality to guarantee you're getting a safe and trustworthy product.
By selecting high-quality spirulina and introducing it slowly into your dog’s diet, you can safely provide your pet with the many health benefits this superfood offers.
How to Add Spirulina to Your Dog’s Diet?
Adding a spirulina supplement to your dog’s diet can be a great way to boost their nutrition with this nutrient-rich blue-green algae. Here’s a guide to help you do it safely and effectively:
Recommended Dosage
The dosage of spirulina can vary depending on your dog's size and the health issue that needs to be addressed. The dosage also depends on the chosen form and the intent behind the use of this supplement.
Generally, 500 mg per 50 lbs of dogs is safe.
Our advice is to always start with a smaller amount and gradually increase it while monitoring your dog’s reaction. Consult with your veterinarian before adding any new supplement to ensure it’s appropriate for your pet’s specific health needs.
Different Forms of Spirulina
Spirulina comes in several forms, each with its own benefits:
- Powder: Easy to mix into your dog’s food.
- Tablets: Convenient but may be harder to incorporate into meals unless your dog readily consumes tablets.
- Capsules: Similar to tablets, these can be opened and mixed into food if needed.
You should choose the form of the spirulina supplement based on the dog’s preference and the health issue that needs to be addressed.
Also Read - Pumpkin for Dogs
Tips for Incorporating Spirulina into Meals or Treats
This is the toughest part of any supplement. Many of us ask ourselves the same thing: how can I trick my dog? And I must have to say that it is quite difficult.
Here are some general tips for incorporating spirulina into meals or treats:
- Mix with food: Sprinkle the recommended dosage of spirulina powder over your dog’s regular food. Make sure to start with a small amount and mix it well to see how they react.
- Spirulina dog treats: Incorporate spirulina into homemade dog treats. You can blend it into recipes for biscuits, jerky, or frozen treats. However, be aware that some of the nutrients might be lost if the treats are being baked or cooked for a long period.
- Find your own way: This is to see where your creativity can go. Think of some things that your dog likes and try to incorporate them into the supplementation.
- Gradual Introduction: Introduce spirulina gradually to your dog’s diet to monitor for any adverse reactions. If you notice any side effects, immediately call a professional.
- Watch for Allergies: Observe your dog for any signs of allergies or digestive upset, such as itching, vomiting, or diarrhea.
- Consult Your Vet: Always check with your veterinarian before starting new supplements, especially if your dog has underlying health conditions or is on medication.
Conclusion
Spirulina is a type of cyanobacteria and is often referred to as blue-green algae. It is generally safe for dogs and can lead to many benefits when given as advised.
Spirulina has a promising potential and could become a valuable component of functional foods in the future, especially for an enhanced immune status. However, further research is needed to fully understand its effects on animal health.
Have you ever thought of incorporating spirulina for your dog? What health issues does your dog have that you want to address? Let us know in the comments below.
Author: Dr. Sandra
Doctor of Veterinary Medicine (DVM)
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