Immune Support & Antioxidant Power: Unlocking the Healthy Benefits of dōTERRA On Guard

Wednesday, October 22, 2025

Primary Blog/dōTERRA Products/Immune Support & Antioxidant Power: Unlocking the Healthy Benefits of dōTERRA On Guard

"Our homes should be healthy havens, not battle grounds for germs."

That thought popped into my head one winter morning as I watched my kids head off to school. Cold and flu season was in full swing, the news cycle was buzzing about the latest environmental threats, and my social media feed was filled with friends desperately looking for ways to keep their families well. As a health and wellness advocate, I wanted more than just a bottle of hand sanitizer; I wanted a holistic way to support our immune systems, create a clean environment, and promote overall healthy living.

That search led me to the dōTERRA On Guard® line. What started as a single bottle of essential oil has evolved into a collection of products that I reach for every day. In this post I'm sharing my story, the science behind these products, and the practical ways you can incorporate them into your life. Whether you're a seasoned essential oil user or just curious about natural immune support, this guide is written in an authentic, conversational way to help you make your own informed decisions for you and your family.

Why Immune Support and Antioxidants Matter

Our immune system is a marvel, working around the clock to identify and neutralize threats. It's influenced by everything from sleep and diet to stress and environmental exposures. For example, a 2015 research review found that sleep deprivation can weaken immunity and increase inflammation. Similarly, mindfulness practices like meditation may help strengthen the immune system. It's clear that lifestyle choices play a huge role, but we also have tools to support the body's natural defenses. That's where antioxidants and plant-based remedies come in.

​Antioxidants neutralize free radicals - unstable molecules that can damage cells and accelerate again. Plant compounds like polyphenols and flavonoids are powerful antioxidants found in many essential oils. Incorporating these into our routines through diet and wellness products can complement healthy habits such as sleeping well, eating whole foods, and managing stress.

Understanding the dōTERRA On Guard Protective Blend

At the heart of the On Guard product line is a proprietary essential oil blend containing wild orange peel, clove bud, cinnamon bark/leaf, eucalyptus leaf and rosemary leaf/flower. According to dōTERRA, this blend supports healthy immune and cardiovascular function and promotes healthy circulation when ingested. Modern research on the oils in On Guard offer some intriguing insights:

  • A pre-clinical study found that the On Guard blend reduced inflammatory markers in human cells and may promote wound healing and immune function.
  • A 2010 study reported that the blend weakened influenza virus particles in vitro and reduced viral replication.
  • Individual oils in the blend contribute their own benefits: eucalyptus oil may have immune-enhancing effects, and cinnamon bark oil vapor exhibits antimicrobial activity against viruses and bacteria associated with respiratory infections.

It's important to note that most of this research is preliminary, and essential oils are not regulated by the FDA. Always consult your healthcare provider before ingesting essential oils. When using essential oils topically, dilute properly and perform a patch test.

My Experience with On Guard

For those of you who have heard me talk about my business journey with dōTERRA, you know that I had used dōTERRA products for about ten years before I explored the dōTERRA business opportunity. The product that I had used during that time was On Guard.

​When I first tried On Guard essential oil, it was purely out of curiosity. I diffused a few drops in our living room during the fall while my family was all dealing with some cold symptoms. The warm, spicy aroma filled the air. My kids noticed it right away and commented on how "homey" our house smelled.

​Within a week I began using the oil in more ways. I added a drop to my homemade cleaning spray (equal parts water and vinegar) and used it to wipe down the countertops. The scent lingered and it felt good knowing I'd used a natural cleaner rather than a harsh chemical spray. When my throat was scratchy, I put a drop in my water and notices it soothed the discomfort. Eventually I expanded into the entire On Guard product line. Below you'll find my take on each product, along with research-backed benefits and actionable ways you can use them.

The dōTERRA On Guard Product Family

on guard essential oil dōTERRA

On Guard Essential Oil

Key benefits:

  • Supports healthy immune and respiratory function when used internally.
  • Helps the body's natural antioxidant defenses.
  • Powerful surface cleaner and energizing, uplifting aroma.

How I use it: Diffuse four drops in a diffuser to cleanse the air. Add a drop to a veggie capsule for an internal immune boost. Combine with a carrier oil and apply to the bottoms of your feet when seasonal threats are high.

On Guard throat drops dōTERRA

On Guard Protecting Throat Drops

These are my go-to when I feel a tickle in the back of my throat, or if I'm around people that are sick.
Key benefits:

  • calms and soothes throat discomfort and irritation
  • Supports the body's immune defenses.
  • Contains no artificial flavors or colors.

I keep a pack in my vehicle and with me when I travel. I also use them when I'm in larger crowds. They taste like a spicy citrus candy and actually freshen breath, too.

dōTERRA on guard protective blend softgels

On Guard Protective Blend Softgels

These vegetarian softgels encapsulate the On Guard blend along with black pepper, oregano, and Melissa essential oils. They're perfect when you want an internal boost.
Key benefits:

  • Provides an easy and convenient way to enjoy the benefits of the On Guard blend internally.
  • Preclinical testing suggests the ingredients may support a healthy immune system and provide antioxidant benefits
  • May support a healthy inflammatory response during seasonal sensitivities.

My wife and I take one softgel every morning and during cold and flu season or when I'm traveling I take two>

dōTERRA on guard foaming hand wash

On Guard Foaming Hand Wash & Dispenser

You'll find this on every sink in my home.  It turns one pump of liquid into a rich foam that cleans without stripping the skin.
Key benefits:

  • The spice and citrus aromas of On Guard invigorate the senses during and after use.
  • Gentle cleansers and emollients clean and soften hands without drying sensitive skin.
  • pH-balanced to protect the skin's delicate moisture barrier.
  • Enhanced cleansing power thanks to the On Guard essential oils

Pair the Foaming Hand Wash with the Dispenser for best results - one pump is all you need. 

dōTERRA on guard natural whitening toothpaste

On Guard Natural Whitening Toothpaste

As someone who avoids synthetic ingredients, finding a fluoride-free toothpaste that actually whitens was a game-changer. This toothpaste combines the On Guard blend with peppermint and wintergreen essential oils for a cinnamon-mint flavor.
Key benefits:

  • Proprietary On Guard blend cleans and freshens breath.
  • Myrrh oil soothes the mouth, gums and throat.
  • Peppermint and Wintergreen oils leave breath cinnamon-mint fresh.
  • Calcium hydroxyapatite supports strong, healthy-looking teeth.
  • Natural xylitol tastes great while keeping teeth and gums clean.
  • Hydrated silica gently removes plaque and stains without damaging enamel.

I've loved this toothpaste from the first time I used it.

On Guard dōTERRA mouth wash

On Guard Mouth Wash

This alcohol-free mouthwash completes the oral care trio. It's formulated to clean teeth and gums, reduce plaque and support a healthy-looking mouth.
Key benefits:

  • Alcohol-free formula cleans teeth and gums and reduces plaque.
  • Features the On Guard protective blend along with myrrh and other natural ingredients.
  • Miswak extract helps reduce excessive plaque build-up while xylitol helps maintain healthy, strong teeth.
  • Leaves breath fresh and smile bright.

I use this after brushing to extend the benefits of the toothpaste. 

dōTERRA on guard chewable tablets

On Guard Chewable Tablets

For those times when swallowing a capsule isn't convenient, these tablets provide a delicious alternative.
Key benefits:

  • Maintain wellness whenever you need inner support.
  • Refresh breath with a citrus-spice taste.
  • Includes the full On Guard essential oil blend in every tablet.
  • Vegan-friendly and free from gluten and artificial sweeteners.

Each tablet also contains beta-glucans (from yeast), vitamin C, zinc and vitamin D3 to support immune function. 

doterra on guard touch roll on

On Guard Touch (Roll-On)

Perfect for kids and adults alike, the roll-on combines On Guard essential oil with fractionated coconut oil for gentle topical application.
Key benefits:

  • Helps minimize the effects of seasonal threats.
  • Provides an energizing, uplifting aroma.
  • Promotes clean skin.

Apply to the chest or bottom of the feet when seasonal threats are high or roll onto wrists for a natural perfume. Another one to keep with you for before you're entering crowded spaces.

dōTERRA on guard beadlets

On Guard Beadlets

These tiny beadlets pack a potent punch of On Guard essential oils. They dissolve quickly in your mouth for instant freshness and support.
Key benefits:

  • Provide a flavorful dose of On Guard in tiny vegetable beadlets.
  • Support a healthy immune system.
  • Ingredients include wild orange, clove, cinnamon, eucalyptus and rosemary essential oils, plus coconut oil and xylitol.

Keep them in your purse or travel bag for a quick pick-me-up. I like to pop one after meals instead of chewing gum.

dōTERRA on guard hand sanitizing gel

On Guard Hand Sanitizing Gel

The events of recent years have taught us the value of a good hand sanitizer. This gel stands out because it's plant-derived and moisturizing.
Key benefits:

  • Contains 70% plant-derived ethyl alcohol and is 99.9% effective against most common germs.
  • Formulated without parabbens, triclosan or phthalates; includes apple extract and glycerin to moisturize.
  • Infused with the On Guard blend for a warm, energizing aroma.
  • Leaves no sticky residue.

I use the gel after leaving the grocery store or gym.

on guard hand sanitizing mist dōTERRA

On Guard Hand Sanitizing Mist (5-Pack)

If you prefer a spray to a gel, this mist is the answer. It's also great for spritzing surfaces like shopping cart handles.
Key benefits:

  • 99.9% effective against the most common germs.
  • Contains a moisturizing apple extract and delivers a fine, quick-drying mist that doesn't dry out hands.
  • Provides an invigorating citrusy, spicy aroma thanks to the On Guard blend.
  • Cleanses hands when soap and water aren't available and is ideal for traveling.

I keep a bottle in my truck, another in my desk and give the rest to my kids to keep in their backpacks.

sanitizing wipes dōTERRA on guard

On Guard Sanitizing Hand Wipes

These wipes came in handy during road trips and flights. They're saturated with the On Guard blend and aloe vera to cleanse hands or surfaces.
Key benefits:

  • Infused with the On Guard Protective Blend and aloe leaf extract.
  • Gentle on skin and safe to use on children's hands.
  • Perfect for on-the-go parents to wipe hands after touching tray tables, door handles or dropped cups.

Use them on restaurant tables, plane seats or anywhere you need a quick clean. I use them every time on the grocery cart.

On Guard cleaner concentrate from dōTERRA

On Guard Cleaner Concentrate

This concentrate might be my favorite cleaning product ever. A little goes a long way, and the scent makes chores feel luxurious.
Key benefits:

  • The proprietary On Guard blend provides natural protection by keeping surrounding areas clean and safe.
  • Plant-based surfactants improve the cleaning process and are safe for your family and the environment.
  • Contains no added preservatives.
  • Fortified with wild orange, clove, cinnamon, eucalyptus and rosemary essential oils and biodegradable ingredients.
  • Multipurpose: clean hard surfaces in the kitchen, bathroom or any room - mix different concentrations for all-purpose, bathroom, dishes or touch jobs.

I mix two tablespoons with 24 oz. of water for an all-purpose spray and use it on countertops, floors and stainless steel appliances,

laundry detergetn dōTERRA on guard

On Guard Laundry Detergent

Who knew laundry detergent could be exciting? This ultra-concentrated detergent uses plant-based surfactants and enzymes along with the On Guard blend to lift stains and leave clothes smelling fresh.
Key benefits:

  • Six-times concentrated formula cleans up to 64 loads with just one bottle.
  • Uses bio-originated enzymes and the On Guard protective blend to target and lift stains.
  • Color safe at all temperatures and free of synthetic fragrances, dyes and toxins.
  • Contains surfactants, enzymes and stabilizers from sustainable, natural-based sources.

One quarter capful in a high-efficiency washer is all you need for a standard load. For tough stains, apply directly and let sit before washing.

Putting It All Together

My journey with dōTERRA ON Guard products has been both practical and empowering. They've become staples in my home because they offer a natural way to support immune health, provide antioxidant protection, and keep my environment clean. Remember, these products are meant to complement, not relplace, healthy habits like eating well, exercising and sleeping enough.

Want to Save 25%?

You can purchase any of these products at 25% discount through my link below. By enrolling, you'll unlock wholesale pricing and ongoing perks.

Join My Team as a Wellness Advocate

If you've fallen in love with dōTERRA and want to create an income sharing health and wellness products you love, consider becoming a Wellness Advocate yourself. You'll receive training, resources and the support of an amazing community. I'd love to work alongside you!

Whether you're looking for better hand hygiene, chemical-free cleaning, or a natural way to support your immune system, the On Guard Family has a solution. Let's continue to invest in our health - one drop, tablet or foaming pump at a time.

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Jeff Heggie

Entrepreneur & Wellness Advocate

Jeff Heggie is an entrepreneur, business coach, and mentor dedicated to helping people create the life they truly want — a life of health, time freedom, and financial abundance. After more than two decades of building and coaching businesses, Jeff discovered dōTERRA as the perfect way to combine his passion for entrepreneurship and natural wellness. Today, he mentors others who want to improve their health, create additional income, and design a lifestyle of freedom and purpose.