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From digestive health to mobility support, find the perfect supplements for your dog's needs. Browse our selection of supplements for immunity & nutrition. 

Shop All Natural Dog Supplements | Four Leaf Rover

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Protect your dog’s gut with nature’s best! This expertly blended mix of soil-based probiotics and detoxifying clays helps cleanse heavy metals, pesticides, and other toxins for a healthier pup. Ideal for dogs living in the city or eating processed foods that need daily gut support.

Protect your dog’s gut with nature’s best! This expertly blended mix of soil-based probiotics and detoxifying clays helps cleanse heavy metals, pesticides, and other toxins for a healthier pup.
Ideal for dogs living in the city or eating processed foods that need daily gut support.

Jar of Protect soil-based probiotics, 4.1 ounces

Jar of Protect soil-based probiotics, 8.2 ounces

Includes soil-based probiotics for naturally balanced gut flora, supports the body from pesticide and toxin exposure product image

Protect probiotics dosage guide product image

Saccharomyces Boulardii, Bentonite Clay, Chlorella, Humic & Fulvic Acid, Blueberry, Probiotics, and Dandelion & Burdock Root product image

Main active ingredients per 1 tsp: 1.45 g of Blueberry, 1.4 g of Bentonite Clay, and 200 mg of Chlorella Pyrenoidosa product image

Made with love in the USA, recycled packaging, 100% organic ingredients, veterinarian formulated product image

Certified plastic negative product, we remove 2x as much plastic waste from nature as our packaging uses product image

Protect

PROTECT - SOIL BASED PROBIOTICS

Protect 115.5g

Protect 231g

Seven ‘Shrooms brings together seven potent mushrooms to deliver maximum immune and wellness benefits. High in beta-glucans, this blend works synergistically to keep your dog thriving. Ideal for dogs that need support with their immune system.

Seven ‘Shrooms brings together seven potent mushrooms to deliver maximum immune and wellness benefits. High in beta-glucans, this blend works synergistically to keep your dog thriving.
Ideal for dogs that need support with their immune system.

Jar of Seven 'Shrooms natural immune support, 1.8 ounces

Supports a balanced immune response, vegetarian formulated

Made with seven organic mushrooms. Turkey Tail, Reishi, Cordyceps, Maitake, Chaga, Phellinus, and Shiitake

Active ingredients per 1 tsp: 243 mg of Turkey Tail, Chaga, Cordyceps, Phellinus, Maitake, Reishi, and Shiitake extract

Made with love in the USA, recycled packaging, 100% organic ingredients, tested high in beta-glucans

Seven 'Shrooms

Immunity - Organic Mushroom Mix

Default Title

Turn mealtime into a feast with Meat Mixer! Made with grass-finished beef and organic veggies, this premium base mix is freeze-dried for maximum nutrients. Just add your favorite ground meat for a fresh, nutritious meal in seconds. Ideal for dogs whose main diet includes raw, freeze-dried, cooked, or dehydrated meals.

Turn mealtime into a feast with Meat Mixer! Made with grass-finished beef and organic veggies, this premium base mix is freeze-dried for maximum nutrients. Just add your favorite ground meat for a fresh, nutritious meal in seconds.
Ideal for dogs whose main diet includes raw, freeze-dried, cooked, or dehydrated meals.

Meat Mixer makes perfect meals in minutes

Prepare 3 cups per day for a large dog, 61-80 lbs

Gradually transition to meat mixer from current diet over 7-10 days

Mix 1/3 meat mixer and 2/3 cup water per pound of meat. Or combine entire bag with 10 pounds of meat

Meat mixer includes organic greens, beef organs, real beef bone, and grass-fed beef, unlike other base mixes

Meat Mixer

1.09 lb bag

Meet Mother Nature’s miracle—Bovine Colostrum! Packed with the first milk's natural nutrients, it supports a robust gut and strong immune system. Ideal for dogs that need an extra immune boost.

Meet Mother Nature’s miracle—Bovine Colostrum! Packed with the first milk's natural nutrients, it supports a robust gut and strong immune system. 
Ideal for dogs that need an extra immune boost.

Helps maintain normal histamine levels, includes IgA antibodies for immune support

One active ingredient, rBGH-free New Zealand Bovine Colostrum. No fillers

Made with love in the USA, recycled packaging, 100% grass-fed & grass-finished beef, made with non-gmo ingredients

Bovine Colostrum

Keep your dog moving with Hip & Joint! A powerful combination of green-lipped mussels, eggshell membrane, curcumin, and poria mushrooms naturally supports joint health and mobility. Ideal for dogs that need mobility and joint support.

Keep your dog moving with Hip &amp; Joint! A powerful combination of green-lipped mussels, eggshell membrane, curcumin, and poria mushrooms naturally supports joint health and mobility.
Ideal for dogs that need mobility and joint support.

Jar of Hip & Joint, made with green lipped mussels and ESM® eggshell membrane powder, 2.4 ounces

Jar of Hip & Joint, made with green lipped mussels and ESM® eggshell membrane powder, 4.8 ounces

Supports healthy cartilage and connective tissue, supports a normal inflammatory response product image

30 day large dog supply, 61-100 lbs product image

Including Green Lipped Mussels, Organic Poria Cocos Mushroom Extract, ESM® Eggshell Membrane, and Curcumin product image

Active ingredients per 1 tsp: 1350 mg Green Lipped Mussel, 450 mg Eggshell Membrane, 300 mg Poria cocos, 150 mg Curcumin product image

Made with love in the USA, recycled packaging, made with non-gmo ingredients, veterinarian formulated product image

Hip & Joint

Green Eggs - Natural Joint Support

Hip & Joint 67.5g

Hip & Joint 135g

Safe-Sea is the cleaner, greener alternative to fish oil! This premium blend of green-lipped mussels and ahiflower oil delivers pure, heat-free omega support for your dog’s overall health. Ideal for dogs with a dull coat, or dander and need a powerful omega supplement.

Safe-Sea is the cleaner, greener alternative to fish oil! This premium blend of green-lipped mussels and ahiflower oil delivers pure, heat-free omega support for your dog’s overall health.
Ideal for dogs with a dull coat, or dander and need a powerful omega supplement.

Safe-Sea is better than fish oil because it naturally supports healthy skins with healthy omega fats including SDA and GLA. 

Safe-Sea dosage guide for the right amount to give to your dog daily. 

Safe-Sea is veterinarian formulated with natural ingredients like ahiflower, green lipped mussels and astareal ataxantin.

Safe-sea is sustainable, resists oxidation, and is easily absorbed, unlike other fish and marine oils

Made with love in the USA, recycled packaging, made with non-gmo ingredients, veterinarian formulated

Safe-Sea

Safe-Sea: Green Lipped Mussel Oil For Dogs

Boost your dog’s immune system with Turkey Tail! Packed with PSK and PSP, this mushroom powerhouse supports dogs facing immune challenges for a healthier, happier life. Ideal for dogs facing immune challenges.

Boost your dog’s immune system with Turkey Tail! Packed with PSK and PSP, this mushroom powerhouse supports dogs facing immune challenges for a healthier, happier life.
Ideal for dogs facing immune challenges.

Jar of Turkey Tail Mushrooms powder, 1.0 ounces

Best source of immune-assisting beta-glucans, made with whole mushroom, never mycelium

One active ingredient, turkey tail mushroom extract. No fillers

Turkey Tail Mushroom

Turkey Tail - Organic Mushroom Extract

Power up your dog with Red Rover! This organic blend of apple skins and berries delivers fiber and critical antioxidants like quercetin. It’s tasty, gut-friendly, and 100% organic. Ideal for dogs that need added antioxidants to their diets.

Power up your dog with Red Rover! This organic blend of apple skins and berries delivers fiber and critical antioxidants like quercetin. It’s tasty, gut-friendly, and 100% organic.
Ideal for dogs that need added antioxidants to their diets.

Jar of Red Rover organic berry blend, 2.7 ounces

Includes organic apple skins for natural quercetin, supports normal brain function

Organic ingredients including Apple Skins, Wild Blueberries, Raspberries, and Cranberries

Made with love in the USA, recycled packaging, 100% organic ingredients, made with non-gmo ingredients

Red Rover

Red Rover - Organic Berries For Dogs

Our grass finished beef collagen is rich in Type I and Type II collagen for comprehensive joint support. Connective tissue health Supports healthy joints Sustainable, clean sourcing

Our grass finished beef collagen is rich in Type I and Type II collagen for comprehensive joint support.
<ul>
<li>Connective tissue health</li>
<li>Supports healthy joints</li>
<li>Sustainable, clean sourcing</li>
</ul>

Collagen health supplement with type II collagen and chondroitin provides natural bone and joint support for dogs. 

Collagen provides targeted joint support and vitality at every life stage by promoting a healthy gut lining plus cartilage and bone health support in dogs.

Collagen bone and joint support for dogs dosage guide for small to extra large dogs. 

Premium grass finished bovine Collagen is easily absorbed for maximum bone, gut and joint support.

Collagen product facts with active ingredients grass-finished bovine collagen and chondroitin sulfate.

Collagen

Digest is a carefully crafted enzyme supplement that supports proper digestion and healthy organ function, especially for senior dogs or those on processed diets. Let Digest help tackle digestive challenges and keep your pup thriving! Ideal for dogs with pancreas issues, or eating processed foods.

Digest is a carefully crafted enzyme supplement that supports proper digestion and healthy organ function, especially for senior dogs or those on processed diets. Let Digest help tackle digestive challenges and keep your pup thriving!
Ideal for dogs with pancreas issues, or eating processed foods.

Jar of Digest powder, a probiotic and enzyme blend, 1.2 ounces

Provides natural enzymes for proper digestion, veterinarian formulated

Main active ingredients per 1/2 tsp: 500mg of New Zealand Beef Liver and 300mg of New Zealand Beef Pancreas

Made with love in the USA, recycled packaging, 100% organic ingredients, veterinarian formulated

All Products

Protect

Seven 'Shrooms

Meat Mixer

Bovine Colostrum

Hip & Joint

Safe-Sea

Turkey Tail Mushroom

Red Rover

Collagen

Digest

Gut Guard

Better Bones

Green Rover

Yeast Guard Plus

Beef Heart Treats

Liver/Kidney Clean

Yeast Guard

Lamb Liver Treats

Bone Felt Toy

Harmony

Beef Liver Treats

Lion's Mane

Kibble Fixer

Guts & Glory

Link Felt Toy

Dog Person Hat

Saccharomyces boulardii

Wheely Fun Felt Toy

Bifido For Fido

Oral Health

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