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Can probiotics help depression?

Updated: Dec 20, 2022

We all know about depression with an autoimmune disease. Is there a link to our gut health?

Did you know that more than 90% of your serotonin and around 50% of your dopamine is produced in your gut. And your gut bugs help control how much is produced. Your gut microbiome also influences levels of norepinephrine. In fact, some of your gut bacteria can directly produce dopamine and norepinephrine. When our gut is so damaged, this makes some sense that we can have depression.

We still have a long way to go before doctors prescribe probiotics for depression, but it’s certainly not out of the question. A review on the subject, which includes data from 10 studies, concludes that probiotics “have great potential in the treatment” of depression.

This is another reason why we need to look after our gut health.


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