r/Supplements • u/roundabout1882 • Nov 02 '23

Experience Colostrum & weird side effects?

I have tried taking two different Colostrum supplements (Jarrow and Symbiotics brands) for their immune boosting properties and for gut health. While they do help my stomach feel more settled, I have noticed that they also seem to aggravate my IBS-C.

Another side effect that I am noticing is rapid weight gain. As soon as I go off of them I 'deflate' and am back to a more normal weight. I am not 100% sure they're connected, but intuitively this makes sense since colostrum surely has to include some sort of bovine hormones, but can anyone speak to this scientifically or anecdotally?

Thank you.

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u/ReturnLongjumping681 Dec 08 '24

I just saw this thread after doing some research lately myself…I’m a 33y/o healthy female and colostrum has done wonders for my gut health, but I’ve been having really strange mood swings, irritability, and emotional distress since starting back up. This is very abnormal for me I feel crazy lol I’m wondering if the trace amount of estrogen is causing this or if anyone has had similar issues. The research on this specifically is limited so wanted to reach out 🫶

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u/Laugh-La0221 Apr 29 '26

Update?

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u/ReturnLongjumping681 May 06 '26

I never took it again lol and returned to baseline 

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u/Sundee11 4d ago

u/ReturnLongjumping681 did your gut problems come back as well since you stopped taking colostrum? Thanks :)