How it works
How Does Mighty K9 Work? The Routine and the Science, Checked
Mighty K9 is 2 mL of organic olive oil a day, carrying 1.6 mg of ESS60 (C60) and bacon flavor, mixed into your dog's food. The sales page calls ESS60 a strong antioxidant for joint comfort. No controlled trial has tested C60 in dogs, so how it might work is still unknown (Hui et al., 2023).
Written by the Mighty K9 editorial teamUpdated
The short version
How does Mighty K9 work, in plain words?
On your side of the bowl, Mighty K9 is a simple oil you pour over food. Inside your dog, nobody has measured what it does yet.
Each serving is 2 mL of liquid, almost all of it organic extra virgin olive oil. Dissolved in it are 1.6 mg of ESS60, a branded form of C60, and a bacon flavor. You give two full droppers with one meal a day.
The sales page says ESS60 is a powerful antioxidant that supports joints and easier movement. Those are the seller's words. The research behind C60 comes mostly from rats and mice. The routine is clear; the mechanism in dogs is an untested theory.
The brand's picture
What does the brand's How Mighty K9 Works graphic show?
The brand's own graphic shows a routine, not a mechanism. Its three steps are 01 Dog food directions, 02 Liquid drops and 03 Daily routine.
Four tiles sit around the bottle: Bottle label, For dogs only, Dog liquid drops and Follow label directions. That matches the label. It is an oil for dogs, given with food, once a day.
The graphic makes no claim about cells or joints. That part lives on the sales page. For measuring tips and missed days, see how to use Mighty K9.

Daily use
How do you give Mighty K9 to your dog each day?
Measure, drizzle, mix and keep notes. It takes under a minute.
- 01
Measure 2 mL
Fill the dropper twice (about 0.4 teaspoon). That is one serving, per the label.
- 02
Drizzle on the meal
Drip it over kibble or wet food. The bacon flavor helps picky eaters take it.
- 03
Mix it in
Stir so it coats the food. Give it at the same meal every day.
- 04
Track 30 days
Note stairs, getting up and walks. Decide before the 30-day window closes.
Brand directions: "Measure 2 mL and drizzle directly over your dog's meal. Mix into food." The brand's calculator lists size groups but no amounts per size, so ask your vet about small or toy dogs.
Inside your dog
What happens to ESS60 after your dog eats it?
Nobody knows yet. We found no published study that tracked how a dog absorbs, stores or clears ESS60.
What is known comes from other animals and other oils. A 2012 rat study reported longer lives with C60 in olive oil (Baati et al., 2012). A larger 2021 mouse study saw no lifespan gain (Grohn et al., 2021). Six beagles given C60 in grape seed oil showed a drop in one blood marker, CRP, over 9 days, with no control group (Hui et al., 2023).
What nobody has measured in dogs
- Joint cartilage, on X-ray or any other scan.
- How easily a dog gets up, climbs stairs or walks.
- Stiffness after rest.
- Safety over months or years of daily use.
For the full study list, see the ESS60 ingredient page.
Claims vs evidence
Is ESS60 really an antioxidant for dogs?
C60 can soak up reactive molecules in lab tests, which is where the antioxidant label comes from. Whether that happens in a living dog at this dose, and helps joints, has not been shown. The sales page says it is "172 times more powerful than vitamin C" but gives no source.
| Sales-page claim | What the research shows | Tested in dogs? |
|---|---|---|
| Joint comfort and cartilage | No study of C60 on dog joints. Six beagles, one blood marker (Hui et al., 2023). | No |
| Easier movement, less stiffness | No C60 study measured walking or rising. | No |
| Healthy cellular aging | Rat lifespan gain in 2012 (Baati et al., 2012); none in a larger 2021 mouse study (Grohn et al., 2021). | No |
| Safety of daily use (our question) | 14 days in rats, no adverse effects; funded by SES Research, whose co-owners wrote it (Burres et al., 2024). | No long-term data |
Keeping your dog lean, vet-prescribed pain medicine and omega-3 fish oil diets (AAHA Pain Guidelines, 2022) (Roush et al., 2010). See each claim checked.

Try Mighty K9 for 30 days2 mL a day · from $64.99 a bottle · free U.S. shipping on 3+ bottles
Order nowDose in context
How much ESS60 does your dog get compared with the studies?
Every dog gets the same 2 mL, so the dose per kilogram shrinks as dogs get bigger.
A 5 kg dog gets 0.32 mg of ESS60 per kg; a 40 kg dog gets 0.04 mg per kg. The rat study used 1.7 mg per kg at the same 0.8 mg/mL strength (Baati et al., 2012).
Storage
Why does light matter for C60 in olive oil?
Light breaks C60 down. In the 2021 mouse study, C60 in olive oil left in light lost half its C60 in about 2 days, and that oil made mice ill (Grohn et al., 2021).
It is the one mechanism with solid data, and it calls for care, not hope. The label line "Store in a cool and dark place." matters more here than on most supplements.
Store it in a cupboard, away from windows and the stove. Do not pour servings ahead into a clear dish. If the bottle sat in the sun or the oil smells off, call +1 (302) 200-3480 before using it.
The carrier
Why does Mighty K9 come in olive oil and not a chew?
C60 does not dissolve in water, but it does dissolve in oil. Olive oil is also what the 2012 rat study used, so most C60 products copy that recipe (Baati et al., 2012).
Points in favor
- Three ingredients, with the ESS60 amount printed.
- Mixes into any meal; bacon flavor helps picky eaters.
- Calories are printed: 16.2 kcal per serving.
Things to weigh
- Pure fat: ask your vet first after pancreatitis (Merck Vet Manual, Pancreatitis (owner)).
- About two-thirds of a 4 kg dog's daily treat budget (WSAVA, Feeding treats).
- No dog joint study of olive oil was found.
More on the carrier: organic extra virgin olive oil in Mighty K9.
Your first month
How can you tell if Mighty K9 is working for your dog?
Write things down. Score two or three everyday tasks each week, because slow change is easy to misremember.
The sales FAQ says owners often notice changes in two to three weeks, with full results "typically" between weeks eight and twelve. That runs past the 30-day money-back window, so plan to judge by day 25.
- Day 1
Note how your dog rises after a nap and takes stairs. Weigh your dog.
- Weeks 1-2
Watch stools and appetite. Any new oil can loosen stools.
- Day 25
Compare notes. For a refund, call +1 (302) 200-3480 with your order ID. See the guarantee terms.
Slowness to rise and trouble with stairs are classic arthritis signs (Merck Vet Manual, Osteoarthritis). If your dog limps, cries out or stops eating, book a vet exam.
FAQ
How Mighty K9 works: common questions
How is Mighty K9 supposed to work in dogs?
Mighty K9 delivers 1.6 mg of ESS60 (C60) in 2 mL of olive oil with one meal a day. The seller says ESS60 acts as an antioxidant that supports joints. No controlled study has tested this in dogs, so the mechanism is still a theory.
Is C60 an antioxidant in dogs?
C60 acts like an antioxidant in lab tests, but no study has shown that effect on a dog's joints. Six beagles had a lower blood inflammation marker after 9 days of C60 in grape seed oil, not ESS60 in olive oil (Hui et al., 2023).
Do I need to give Mighty K9 every day?
Yes, the directions are 2 mL once a day, mixed into food. Pick one meal and keep it the same so you never double up. If you miss a day, just carry on the next day rather than giving two servings at once.
Why is Mighty K9 an oil instead of a chew?
C60 dissolves in oil but not in water, so C60 products are sold as oils. The trade-off is fat: each 2 mL serving adds 16.2 kcal, which matters for small dogs and dogs with a pancreatitis history.
Does sunlight ruin C60 olive oil?
Yes, light breaks C60 down. In a 2021 study, C60 in olive oil exposed to light lost half its C60 in about 2 days, and the exposed oil made mice ill (Grohn et al., 2021). Keep Mighty K9 capped in a cool, dark cupboard.
Is Mighty K9 a substitute for my dog's pain medicine?
No. Mighty K9 is a supplement, not a veterinary drug, and nothing shows it can replace prescribed medicine. Never stop a medicine your vet gave without asking, and tell your vet you are adding it (AAHA Pain Guidelines, 2022).
Who wrote this
Written and reviewed by
Plain-language pages built from the label, the sales page and linked veterinary sources.
Last updated . See our editorial standards, and how we check reviews, before you rely on a page. This website is run by a U.S. stocking partner, not by the manufacturer. We are paid when you buy through our order links.
Keep reading
More about Mighty K9

How to use
Two droppers, one meal, every day: measuring, mixing, picky eaters, missed days, travel and dark storage.
Read more
ESS60
What ESS60 (C60) is, the rat and mouse studies, the beagle data and the dose per kilogram.
Read more
Benefits, checked
Every Mighty K9 sales claim set beside the dog research, plus the real points in its favor.
Read moreU.S. stocking partner for Mighty K9
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