It was somewhat surprising 15+ years ago when Bonnie first began to be challenged (by psychiatrists in particular, who are always being asked about adverse side effects) to answer this question: what are the side effects of taking a broad-spectrum formula? In all these ensuing years, the answer has not changed from her first observations: people repeatedly tell us that in addition to improved mental health and cognitive clarity, they sleep better and they experience relief of constipation. Now, finally, we have evidence for the first of those two ‘side effects’ in the form of an excellent study