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Whey Protein, Milk And Acne

Recently a case series was published describing five teenagers who had all experienced sudden onset of moderate to severe acne. On further questioning, the dermatologist learned that these teenagers had all independently started using whey protein as a supplement for body building prior to the acne. When these young men discontinued the whey protein supplement, their acne improved; for those who then restarted taking whey protein, their acne flared.

Why would whey protein lead to acne? Whey protein in nutritional supplements is generally derived from cow’s milk. Whey makes up approximately 20% of the protein in milk (the other 80% is casein). Two larger well-designed studies have examined whether or not cow’s milk consumption is associated with acne in teenage girls and separately in teenage boys. (i.e. does drinking milk or eating cow-milk products cause acne?). Both studies showed a mild, but statistically significant, increase in acne in teenagers who drank more than two glasses of cow’s milk daily compared to teenagers who had less than one serving per week. Associations were slightly stronger for skim milk (compared to whole milk) consumption, which is interesting because there is a higher relative percentage of whey protein in skim milk.

What does this mean? It does not mean that cow’s milk causes acne for everyone or that anyone who drinks cow’s milk or takes a whey protein supplement will get acne. Don’t stop drinking milk if you don’t have any negative reaction to it. Rather, it indicates there may be some people who react to cow’s milk and that reaction can may be seen as acne.

So, if you know someone who recently developed significant acne after starting a nutritional supplement, they should confirm that the supplement is not made from whey.

References
1. Silverberg NB. Whey protein precipitating moderate to severe acne flares in 5 teenaged athletes. Cutis. 2012; 90(2):70-72
2. Adebamowo CA, Spiegelman D, Berkey CS, Danby FW, Rockett HH, Colditz GA, Willett WC, Holmes MD. Milk consumption and acne in adolescent girls. Dermatol Online J. 2006; 12(4):1.
3. Adebamowo CA, Spiegelman D, Berkey CS, Danby FW, Rockett HH, Colditz GA, Willett WC, Holmes MD. Milk consumption and acne in teenaged boys. J Am Acad Dermatol. 2008; 58(5):787-93. Epub 2008 Jan 14.

 

Rehana Ahmed, MD, PhD

Rehana Ahmed, MD, PhD

Dr. Rehana Ahmed’s clinical expertise includes pediatric, general, surgical and cosmetic dermatology with special interests in skin cancer surgery/Mohs micrographic surgery, laser treatments and cosmetic procedures, including BOTOX®, Radiesse, Sculptra, Juvederm, Voluma, and CoolGlide laser hair removal.  Dr. Ahmed is available for appointments in our Minnetonka and Burnsville locations.

Dr. Ahmed attended the Johns Hopkins University and graduated Phi Beta Kappa with a BA in Behavioral Biology. She graduated from the University of Minnesota School of Medicine, Alpha Omega Alpha. She completed her internship in Internal Medicine and her residency in Dermatology at the University of Minnesota. Dr. Ahmed is certified by the American Board of Dermatology and is an Assistant Professor of Dermatology at the University of Minnesota, where she is active in research. Dr. Ahmed was born and raised in Minneapolis. She enjoys traveling, cooking and spending time with family and friends. She is married and is the proud mother of a sweet baby boy.