Why stomach acid and digestive enzymes matter with vitamins and minerals including iron, calcium and B12 Did you know that humans are meant to have a very acidic stomach, with a pH of 1.0-2.0 making it much more similar to a scavenging crow than a cow chewing grass! This stomach acid (which is hydrochloric acid, or HCI) is essential to not only digestive health but the absorption and activation of vitamins and minerals such as B12, iron, calcium and magnesium! 

Serotonin is mainly made in the gut, so can it affect the brain? This blog post looks at the role of serotonin in IBS symptoms, mood, and the stress response and the role of the vagus nerve in signalling serotonin in gut-brain communication. As well we look at four ways to feed the gut microbiome that make and regulate serotonin production.