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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Dizziness And Vomiting After Consuming Protein Shakes?

I decided I wanted to try drinking protein shakes to replace my snacking throughout the day and for after my workouts. The first day I bought it I decided I should try drinking it after my workout. My eyes started blacking out and I got extremely weak and light headed about 10 min after consuming the shake. I ended up vomiting shortly after that and assumed it was probably from my workout. I tried it again the next day without working out first and the exact same thing happened, so clearly that wasn t the cause. I m just not sure what the problem is. I have no food allergies that I m aware of (milk,eggs, ect) am not diabetic, and it could drink two monsters without it affecting me so it s not from caffeine. Any ideas?
Thu, 21 Jul 2016
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General Surgeon 's  Response
Hi.
Thanks for your query.
Noted the history of blacking out, weakness and light headedness after taking the protein skake on both occasions.
Since you do not have problems with any other food proves that there is something in the protein shake that is causing severe allergy.
You should never consume such products that can cause similar problems.
No foods or beverages that contain preservatives.
Try natural proteins like sprouted legumes, eggs, meat etc with consultation of a Nutritionist.
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What Causes Dizziness And Vomiting After Consuming Protein Shakes?

Hi. Thanks for your query. Noted the history of blacking out, weakness and light headedness after taking the protein skake on both occasions. Since you do not have problems with any other food proves that there is something in the protein shake that is causing severe allergy. You should never consume such products that can cause similar problems. No foods or beverages that contain preservatives. Try natural proteins like sprouted legumes, eggs, meat etc with consultation of a Nutritionist.