Celery Juice FAQ – Side Effects, Detox Symptoms, Diarrhoea, Bloating, Celery Allergy. I Juiced Celery for 30 Days and… I juiced celery for 30 days straight to … So if celery juice is causing you to bloat, this may be a sign you have a lot of built-up toxins and celery juice is exactly what you need. It has a calming effect on the nervous system and happens to be an amazing blood purifier and eliminates toxins from the body. I learned that an increase in symptoms is a normal detox … Celery juice is a great way to start the detox process. It … Some people may experience a change in their bowel movements when they first start drinking celery juice. The elimination of toxins. I was so excited to start the celery juice cleanse and I felt very discouraged by my increase in symptoms. There are two theories as to why celery juice may result in diarrhea, so keep reading to find out more about each one: 1. So I started researching more into the Celery Juice Cleanse and quickly learned my symptoms made total sense! To follow the celery juice diet, you’re meant to drink 16 ounces (475 mL) of celery juice each morning on an empty stomach — and 24–32 ounces (710–945 mL) if you have a chronic disease.