Written by Gabriele Dennert and the CAM-Cancer Consortium.
Updated February 8, 2017


Is it safe?

Adverse events

No adverse effects were reported in the above mentioned case series.3,15

The use of colostrum also seemed safe in studies with healthy volunteers or athletes.16,17

In a study with Alzheimer patients, in 30% of the 33 participants neuropsychological effects (anxiety, speech flow disturbances or insomnia) were observed during the first 3 to 4 days after commencement of colostrum intake.18


Patients with allergies to dairy products should not use colostrum.


No interactions with drugs have been reported.


Non-pasteurized animal colostrum as milk product may contain infectious germs and their trading and manufacturing is regulated by hygiene standards. Human colostrum may transmit HIV and cytomegalovirus.6

Other problems or complications

No data are available for the use of colostrum in pregnant or lactating women.


Gabriele Dennert, CAM-Cancer Consortium. Colostrum [online document]. http://cam-cancer.org/The-Summaries/Dietary-approaches/Colostrum. February 8, 2017.

Document history

Assessed as up to date in February 2017 by Barbara Wider.
Summary assessed as up to date in April 2016 by Barbara Wider.
Summary assessed as up to date in January 2015 by Barbara Wider.
Summary assessed as up to date in September 2013 by Barbara Wider.
Summary first published in September 2012, authored by Gabriele Dennert.


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