probiotics fibromyalgia gut health, fibromyalgia gut microbiome, probiotics IBS evidence, gut brain axis chronic pain, fibromyalgia digestive health

The gut has become the most fashionable organ in wellness. Probiotic drinks, capsules and powders promise to fix everything from bloating to low mood, and people with fibromyalgia — among whom gut symptoms are extremely common — are a prime audience for that marketing. Add real scientific interest in the gut-brain axis, and it is…