Official U.S. shopHow it works
How Does Mighty K9 Work? The Oil, the C60 and the Daily Routine
Mighty K9 works as a daily oil topper: olive oil carries the C60, and you drizzle it on food once a day.
Each 2 mL serving holds 1.6 mg of ESS60 (C60) in organic extra virgin olive oil. The sales page says it supports joints and cellular health, and C60 has been studied in rats, mice and one 9-day beagle study.
For the daily steps, read how to use Mighty K9.
Written by the Mighty K9 editorial teamUpdated
The product
What is Mighty K9, physically?
Mighty K9 is a flavored oil for dogs. Each 2 mL serving is organic extra virgin olive oil with 1.6 mg of ESS60 dissolved in it, plus bacon flavor.
ESS60 is a trademarked form of C60, a round molecule made of 60 carbon atoms. C60 does not dissolve in water, so it is carried in oil. That is why it is a liquid.
| Bottle | 60 mL (2 fl oz) dropper bottle, amber glass |
|---|---|
| Serving | 2 mL once a day (2 full droppers (the brand's serving tool says 1 mL per dropper)) |
| Servings per bottle | 30, so one bottle lasts 30 days |
| ESS60 per serving | 1.6 mg (about 0.8 mg per mL) |
| Crude fat | 100% minimum: the liquid is essentially all oil |
| Calories | 8,100 kcal ME/kg; 16.2 kcal ME per 2 mL serving |
| Ingredients | Extra Virgin Olive Oil, ESS60 and Bacon Flavor. |
Step by step
How does Mighty K9 get from the bottle into your dog?
- 01
Measure 2 mL
Fill the dropper twice. The label serving is 2 mL, and the brand's serving tool counts 1 mL per full dropper.
- 02
Drizzle it on the meal
Drip it over your dog's usual kibble or wet food. The sales page says broth works too.
- 03
Mix and serve
Stir so the oil coats the food. Picky dogs often take it best mixed into something wet.
- 04
Same meal, 30 days
One bottle holds 30 servings. Log stairs, walks and getting up, and keep your vet in the loop.
The product page directions read: "Daily serving: 2 mL. Measure 2 mL and drizzle it over your dog's meal, then mix into food." Fussy-eater tips are in how to use Mighty K9.
The claims
What does the sales page say Mighty K9 does?
The sales page says Mighty K9 supports healthy joint function and mobility and eases everyday joint stiffness. It also says C60 gives antioxidant "cellular" protection and that the olive oil helps skin and coat.
The sales page calls C60 a "Nobel Prize-winning molecule." The 1996 Nobel Prize in Chemistry was for discovering fullerenes, a chemistry finding, not a health one (Nobel Prize, 1996). A "172 times" vitamin C comparison on the same page comes with no source. Health claims need competent and reliable evidence (FTC, Health claims).
The science
How does C60 actually behave, based on research?
In lab and animal studies, C60 can act as an antioxidant, mopping up reactive molecules. Under other conditions it can act as a pro-oxidant and cause that same kind of damage (Ozdemir et al., 2024). Light, dose and handling seem to decide which.
A striking but tiny result
Three groups of 6 rats. Those given C60 in olive oil had an estimated median life of 42 months vs 26 months on olive oil alone. Nobody has repeated it (Baati et al., 2012).
No longer life, plus a light warning
Larger mouse groups lived 144 vs 145 weeks: no gain. C60 oil left in strong light for 4 to 8 days killed 25 to 50% of the mice that got it (Grohn et al., 2021).
Six beagles, nine days
The only oral C60 study in dogs used grape seed oil, had no control group and measured one blood marker. It did not look at joints (Hui et al., 2023).
| Animal | C60 dose | What was measured |
|---|---|---|
| Rats (Baati 2012) | 1.7 mg/kg, daily then tapering to every 2 weeks | Lifespan (Baati et al., 2012) |
| Mice (Grohn 2021) | About 4 mg/kg | Lifespan and light toxicity (Grohn et al., 2021) |
| 10 kg (22 lb) dog on Mighty K9 | About 0.16 mg/kg a day | Not studied |
| 3 kg (7 lb) dog on Mighty K9 | About 0.53 mg/kg a day | Not studied |
A search of PubMed found no study of C60, ESS60 or Mighty K9 for dog joints, mobility or aging (PubMed search, C60 and dogs). Read the details on the ESS60 ingredient page.
In one serving
What does one serving of Mighty K9 add to the bowl?
Olive oil has no EPA or DHA (USDA, Olive oil).
Limits
What can Mighty K9 not do for your dog?
Mighty K9 is not a pain medicine and not an arthritis treatment. A product meant to treat or prevent disease is legally a drug, and this one is sold as a supplement (FDA, Pet food rules).
- It does not relieve joint pain. No study shows that it does.
- It does not repair cartilage or change hip dysplasia.
- It does not replace a pain plan from your vet. Vet-prescribed NSAIDs are the most predictably effective treatment for dog osteoarthritis (Merck Vet Manual, Osteoarthritis).
Limping, crying out, trouble rising, or stiffness that does not ease need a vet exam. Signs to watch for are listed in our guide to dog joint pain signs.
Routine
Where does Mighty K9 fit in your dog's day?
It fits wherever your dog eats. Tie it to a meal your dog never skips.
- Breakfast, about 7:30
Drizzle 2 mL over the meal and mix. The sales FAQ says once daily in food; the same meal each day is easiest to remember.
- Or with dinner
If mornings are rushed, dinner works just as well. Pick one meal and stick to it.
- Walks
Short, regular walks on soft ground suit stiff seniors better than one long weekend outing.
- Rest
A padded bed off cold floors helps an older dog rise more easily. Watch how the first steps of the morning look.
Timing is a suggestion: the label and sales FAQ say only "once daily" in food. Weight and activity matter most for joints (ACVS, Osteoarthritis).
Joint basics
What works best for dog joints, if not C60?
A lean body is the single most useful thing for aging joints (ACVS, Osteoarthritis). In a lifetime study of Labradors, the leaner dogs showed hip arthritis on X-ray at a median of 12 years vs 6 years (Smith et al., 2006).
About 59% of U.S. dogs are overweight (APOP, 2022 survey), so ask your vet for a body condition score. For a supplement, fish-oil omega-3 has the strongest dog joint evidence (AAHA, Pain guidelines). See how the two compare in Mighty K9 vs fish oil.
Bottom line
So how does Mighty K9 work, in plain terms?
It works as an easy daily oil topper. The C60 part rests on animal studies that point in different directions, and none tested joints. The olive oil part adds about 16 calories a day.
If you try it, count the calories and store it away from light.
FAQ
How Mighty K9 works: common questions
How does Mighty K9 work in dogs?
Mighty K9 delivers 1.6 mg of C60 in olive oil on your dog's food each day. The sales page says this supports joints and cells, but the only dog study of oral C60 lasted 9 days in 6 beagles and did not look at joints. How it would help a dog's joints is unknown.
What is C60 and why is it in olive oil?
C60 is a carbon molecule shaped like a soccer ball, and ESS60 is a trademarked form of it. It does not dissolve in water, so makers dissolve it in oil. In Mighty K9, organic extra virgin olive oil makes up nearly the whole serving.
Is C60 an antioxidant for dogs?
C60 acted as an antioxidant in some lab and animal work, but a 2024 review notes it can also act as a pro-oxidant depending on conditions (Ozdemir et al., 2024). No study has measured antioxidant effects from C60 in dogs over the long term, so the effect in your dog is not known.
Does Mighty K9 help with arthritis pain?
No study shows that Mighty K9 helps arthritis pain, and it is not a pain medicine. Dogs with arthritis do best with a vet exam, lean body weight and, when needed, prescribed medicine. Omega-3 from fish oil has the best supplement evidence for joints.
Is the Nobel Prize claim about Mighty K9 true?
Only in part. The 1996 Nobel Prize in Chemistry went to the scientists who discovered fullerenes, the family C60 belongs to (Nobel Prize, 1996). The prize was for chemistry, not for any health effect, and it says nothing about Mighty K9 or dogs.
Why does Mighty K9 come in a dark bottle?
Mighty K9 comes in amber glass because light can change C60 in oil. In a 2021 mouse study, C60 oil left in strong light for days became toxic (Grohn et al., 2021). The product page says to store it in a cool and dark place, and the amber glass helps.
Is Mighty K9 a drug or a supplement?
Mighty K9 is sold as a dog supplement, not a veterinary drug. Pet supplements are regulated as animal food or drugs depending on what they claim (AAFCO, Food and drugs). It has no FDA pre-market approval, and it is not meant to treat or prevent any disease.
Who wrote this
Written and reviewed by
Plain-language pages built from the label panel, the sales page and linked veterinary and public sources.
Last updated . Both our editorial standards and how we check reviews are open to read. This website is run by Themightyk9, the Mighty K9 U.S. shop and a stocking partner, not by the manufacturer. Buying through our order links earns us money.
Keep reading
More about Mighty K9
Benefits
Each Mighty K9 benefit claim from the sales page, checked against what research in dogs and lab animals shows.
Read more
ESS60 (C60)
What C60 is, every study we found from rats to six beagles, and what is still unknown.
Read more
Mighty K9 vs fish oil
Fish oil omega-3 vs olive oil with C60 for dog joints: evidence, calories, cost per day and side effects.
Read moreMighty K9 U.S. shop, a stocking partner
Ready to try Mighty K9 with your dog?
Pick a pack. 2 mL on one meal a day; one bottle covers the whole 30-day money-back window.
- Secure checkout
- 30-day money-back window
- Ships from the U.S. with tracking
