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New!  Life Extension - DOG Stress & Behavior SCIENCE-BASED Bacon Flavor 120 SOFT CHEWS
Life Extension - DOG Stress & Behavior SCIENCE-BASED Bacon Flavor 120 SOFT CHEWS

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Dog Stress & Behavior

Life Extension
90 Soft Chews


  • Promotes relaxation and calm behavior with melatonin and L-theanine, a calming amino acid found in green tea
  • Encourages a healthy response to stressful situations
  • Your dog’s go-to support for long trips, bad weather or home-alone stints
  • No artificial colors or flavors; manufactured in the USA

Read Below: Full Description, Clinical Studies & Research

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Description Supplement Facts

Calming health supplement for dogs, bacon flavor

Thunder and lightning and mail carriers, oh my! Whether it’s the weather or just being alone while you’re away, gentle melatonin and L-theanine will help keep your dog calm.

What is Life Extension® DOG Stress & Behavior?

Barking and whimpering are no fun for your dog—or for you! Life Extension® DOG Stress & Behavior promotes relaxation and calm behavior. We’ve combined L-theanine (an amino acid found in green tea) with melatonin to help your dog stay zen.

Every dog is a guard dog at heart—but for those not-so-brave moments, these soft chews deliver L-theanine and melatonin to promote calmness.

Life Extension® DOG Stress & Behavior Benefits

  • Promotes relaxation and calm behavior with melatonin and L-theanine, a calming amino acid found in green tea
  • Encourages a healthy response to stressful situations
  • Your dog’s go-to support for long trips, bad weather or home-alone stints
  • No artificial colors or flavors; manufactured in the USA

Fur-Ever Healthy—Rest & Stress Relief
We want our pets to live long, healthy lives. That’s why we created Life Extension® DOG—a line of Fur-ever healthy formulas that are made with the same quality and attention to detail as all our supplements. This stress and behavior formula is perfect for dogs of all breeds, shapes and sizes. Just see the feeding instructions on the label for how many bacon-flavored soft chews to give your pet to keep them ready for mischief, adventures, and everything in between.


Green tea is well known for its ability to sooth and relax. That doesn’t mean you should brew your dog a cup! Instead, we’ve added calming L-theanine to our formula. L-theanine is the amino acid found in green tea that is thought to give tea its calming properties.1,2


People use melatonin for a variety of reasons. But few know that melatonin is a naturally occurring hormone that helps promote calmness and a relaxation in our canine friends—so we’ve included melatonin in our Life Extension® DOG Stress & Behavior chews.3

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Can my dog take this with your other Life Extension® DOG products?

Yes! All of our Life Extension® DOG products are compatible with each other and can be used together to maximize your dog’s health.

When can my dog expect an effect?

In scientific literature, effects on dogs’ behavior and stress levels were seen as early as 30 minutes, with the best effects seen over four weeks. However, due to each pet’s unique biochemistry and lifestyle, the time it takes to notice benefits may vary from dog to dog.

Can cats take Life Extension® DOG products?

This product was not developed with cats in mind. It’s best to work with a veterinarian to address your cat’s health needs.

How was Life Extension® DOG developed?

Each product has been developed by scientists based on canine veterinary research.

Does this formula use any artificial colors or flavors?

None of Life Extension® DOG’s formulas contains artificial colors or flavors. The primary flavor used in each formula is derived from natural sources.

Will this supplement interact with my dog’s medication?

Based on the rigorous review of the scientific literature concerning potential interactions, there is no indication that the nutrients in Life Extension® DOG would negatively interact with your dog’s medications. If you are interested in giving this product to your dog, and they are taking medication, we suggest discussing this decision with your pet’s veterinarian.

Should Life Extension® DOG formulas be taken daily or as needed?

Life Extension® DOG Multivitamin & Probiotics is intended for daily and long-term use. Stress & Behavior, Hip & Joints and Skin & Coat can also be taken long-term, and we suggest using each product consistently without the need for breaks. However, depending on your pet’s individual needs, any of these products also can be given to them as needed.

Is Life Extension® DOG suitable for pregnant dogs?

Since we do not provide specific suggestions for pregnant dogs, we encourage you to consult your veterinarian regarding your pet’s specific needs and whether supplementation is appropriate.

Can dogs under 1 year old take Life Extension® DOG?

Life Extension DOG® was designed with adult dogs in mind. While these formulas can be taken by adult dogs to support their needs, these soft chews are not suitable for dogs under 1 year old.

When is the best time for my dog to take Life Extension® DOG products? Should they be taken before or after a meal?

All of Life Extension® DOG’s formulas can be taken any time of the day, with or without food, based on your pet’s preference.

Have Life Extension® DOG products been tested for heavy metal contamination?

All our raw materials go through stringent testing to meet our high-quality standards. Testing is performed for microbes, heavy metals, disintegration, potency, and quantity of active ingredients in the finished product. Only when raw materials meet Life Extension’s specifications are they released for production. A Certificate of Analysis (COA) can be provided upon request for all our products.

Where is Life Extension® DOG manufactured?

All of Life Extension® DOG’s products are manufactured in the USA.

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Have Questions on this or any other product or health issue for you or a loved one? It can be overwhelming we know. Call us, we will walk you through what supplements will help you and which ones you really don’t need. It’s what we do! Toll-Free: 800-567-8122

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*Disclaimer: None of the above statements have been evaluated by the FDA. These products are not intended to diagnose, treat, cure or prevent any disease. As always, consult your physician before taking any and all supplements. LifeSource Vitamins. Individual results may vary.

Disclaimer: All the information contained throughout this website is based upon the opinions of the founder of LifeSource Vitamins, Bruce Brightman, and the entire team at LifeSource Vitamins whose relentless research and studies have been ongoing since 1992. Other articles and information are based on the opinions of the authors, who retain the copyright as marked in the article. The information on this site is not intended to replace your health care professional, but to enhance your relationship with them. Doing your own studying and research and taking your health care into your own hands is always best, especially in partnership with your health care professional.

If you are pregnant, nursing, taking medications, or have any medical conditions, always consult your health care professional before taking supplements based on the information on this site.

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