The world of food is filled with irresistible delights, cheese being one of them. While some might chalk it up to willpower or sheer deliciousness, there’s a hidden player behind the scenes: a group of peptides called casomorphins.
These peptides or little protein fragments are created during the digestion of casein which is a protein found in milk. While initially lauded for their potential health benefits, concerns have emerged regarding their potential link to adverse health outcomes.
As small as they are, they have created much intrigue and controversy within the scientific community since being discovered in the late 1970’s. They have had immense interest due to structural similarities to morphine, a known opioid analgesic. While casomorphins aren’t nearly as potent as their namesake, they can still bind to opioid receptors in the brain, triggering a cascade of feel-good chemicals.
Various casomorphins possess opioid activity, binding to opioid receptors throughout the body producing effects such as possibly inducing pain relief, producing a calming experience after drinking milk, the possibility of enhancing your immune system and gut health, and possibly regulating blood pressure.
Studies have also shown possible negative effects as well, such as constipation or diarrhea in sensitive stomachs and triggering or exacerbating autoimmune diseases. There are also studies, while very limited, that show a link between the protein and the development of Type-1 diabetes.
Despite the extensive research on casomorphin, numerous uncertainties remain. Further investigation is necessary to note their precise role in health and disease. There are various studies that would need to be done including but not limited to: individual variables (genetic and environmental factors), long-term health effects (relationship between casomorphin and various chronic diseases), environmental factors and their influence on casomorphin absorption and response in individuals, and clinical applications to determine any therapeutic potentials.
Casomorphin, a puzzling molecule nestled at the intersection of food and health, presents a complex story with fascinating nuances. While the potential benefits hold promise, the medical field would have to navigate the potential downsides to fully understand casomorphin’s impact on human health. A collaborative effort encompassing researchers, clinicians, and consumers is crucial. Only then can we unveil the true nature of this intriguing milk-derived peptide and make informed decisions about their place in our diet and our health.
For now, there is no need to put down the glass of milk just yet. There isn’t any fear of becoming addicted to it. And while there may be some issues with the peptides, they probably won’t turn you into a cheese fiend. Instead, they may contribute to that extra-satisfying feeling you get from your favorite creamy concoction.
One company, A2, has produced a milk brand that is labeled “only using A2 casein proteins instead of A1”. The difference between A1 and A2 is where the science gets technical. A1 develops the peptide chain beta-casomorphin-7 (BCM-7) which has been the lead focus of the studies. A1 casein dairy is what is believed to be more detrimental to our health. A2 can be found at https://a2milk.com/ .
If you do feel as if dairy products including cheese may be the villain in your digestion or inflammation issues, please contact your physician.
So, what’s the takeaway? Enjoy your cheese! Especially since some of our favorite recipes call for it. Savor the complex flavors, appreciate the craftsmanship, and don’t overthink the science. Just remember, it’s the combination of taste, texture, aroma, and cultural associations that makes cheese so darn compelling. Casomorphins might be a fascinating footnote, but they’re not the star of the show. But as with any other food or nutrient, avoid excess.
Revive and Sustain does not take any stance on either point of view. We also do not endorse A2 Milk nor are we endorsed by them. This article’s intention is not to provide any medical advice or suggest any scientific evidence to support any arguments but rather provide some insight into the foods we eat. As always, do your own research and consult a doctor before making any major changes to your diet.
Resources:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8345738/
https://www.frontiersin.org/articles/10.3389/fpsyt.2018.00205/full
https://www.acs.org/molecule-of-the-week/archive/b/bovine-beta-casomorphin-7.html
https://efsa.onlinelibrary.wiley.com/doi/epdf/10.2903/j.efsa.2009.231r
https://www.frontiersin.org/articles/10.3389/fnut.2022.970685/full