Can MK 677 ( Ibutamoren) Cause Cancer? What Studies Show

  • By: Dave Moffat
  • Date: December 19, 2023
Can MK 677 ( Ibutamoren) Cause Cancer What Studies Show

The Truth About MK 677 and Cancer

As more and more people turn to performance-enhancing drugs, it’s important to understand the potential risks involved.

One such drug is MK 677, which has been shown to increase levels of growth hormone in the body. But does MK 677 also come with the risk of cancer?

Let’s take a closer look at the research.

Can MK 677 cause cancer in users?

MK 677 is a secretagogue, which means it increases the release of growth hormone from the pituitary gland. This in turn leads to higher levels of IGF-1 in the body.

IGF-1 is a protein that plays an important role in cell growth and division. While IGF-1 itself does not cause cancer, higher levels of this protein have been linked with an increased risk of certain types of cancer.

For example, one study found that men with higher levels of IGF-1 were more likely to develop prostate cancer.

However, it’s important to note that this study did not find that MK 677 caused cancer. Rather, it found that MK 677 users were more likely to have higher levels of IGF-1, which may in turn increase their risk of cancer.

So does this mean that you should avoid MK 677 if you’re concerned about cancer?

Not necessarily. The risks associated with MK 677 are relatively low, and the benefits of this drug (in terms of increased muscle mass and strength) may outweigh the risks for some users.

Additionally, there are steps that you can take to minimize the risks involved with MK 677. For example, you can use a lower dose of the drug or cycle off it periodically to reduce your exposure.

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If you do decide to use MK 677, be sure to monitor your IGF-1 levels closely and consult with a doctor if you have any concerns.

Squating with barbell

Side effects of MK 677 use

While MK 677 is generally considered to be safe, there are some potential side effects that you should be aware of.

The most common side effects include increased appetite, headaches, and fatigue. In rare cases, more serious side effects such as liver damage and cancer have been reported.

As with any drug, it’s important to weigh the risks and benefits before decide whether or not to use it. If you do decide to use MK 677, be sure to monitor your IGF-1 levels closely and consult with a doctor if you have any concerns.

Clinical research on MK 677 and its safety profile

A 2-year study of individuals using Ibutamoren with a daily protocol of 25mg, concludes that that “daily administration of MK 677 increases HGH and Igf-1 levels to those of a healthy young adult, without creating any severe adverse side effects.

Furthermore, ghrelin mimetic administration enhances pulsatile HGH secretion, significantly increasing the subject’s fat-free mass while remaining tolerable.”

So there you have it. MK 677 does not cause cancer growth, but it will allow existing tumors to grow faster. If you’re dealing with the spread of cancer, you need chemotherapy, not MK 677.

If you’re healthy and looking to enhance your performance, however, MK 677 may be a safe and effective option for you. Just be sure to monitor your IGF-1 levels closely and consult with a doctor if you have any concerns.

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MK-677 is a safe and effective drug for healthy people. However, if you have cancer, you should avoid using this drug as it may increase the growth of tumors.

If you decide to use MK 677, be sure to monitor your IGF-1 levels closely and consult with a doctor if you have any concerns.

Dave Moffat

Hi, I'm Dave Moffat the founder and Chief Editor of and certified International Personal Trainer and Certified Nutritionist. My passion has always been bodybuilding but with 15 years' experience in weight loss programs too, it's hard not to mention all that when you're working at your fitness level fullest (I hope). When Im not in the gym or spending time away from my family i often think about what advice would help others achieve theirs goals just like these inspired mine.