Gut Health and Pain

The Gut-Brain-Pain Axis

Research increasingly shows connections between gut health and chronic pain. The gut microbiome (trillions of bacteria in your intestines) communicates with the brain and immune system, potentially influencing pain and inflammation. While research is still emerging, supporting gut health may be one component of pain management.¹

How Gut Health May Affect Pain²

Gut bacteria influence inflammation
Microbiome affects immune function
Gut produces neurotransmitters (like serotonin)
Vagus nerve connects gut and brain
Leaky gut may increase systemic inflammation

Conditions with Gut Links

Fibromyalgia
Rheumatoid arthritis
IBS with chronic pain
Chronic fatigue syndrome
Some neuropathic conditions

Supporting Gut Health³

Dietary Approaches

Eat variety of plant foods
Include fiber-rich foods
Fermented foods (yogurt, kefir, sauerkraut)
Limit processed foods
Reduce added sugars

Prebiotic Foods

Fiber that feeds good bacteria
Onions, garlic, leeks
Bananas, asparagus
Whole grains
Legumes

Probiotic Foods

Contain live beneficial bacteria
Yogurt with live cultures
Kefir
Sauerkraut, kimchi
Miso, tempeh

Probiotic Supplements

May help some people
Research still evolving
Many strains—no clear "best" for pain
Quality varies between products
Discuss with healthcare provider

What Can Harm Gut Health

Prolonged antibiotic use
Chronic stress
Low-fiber diet
Excessive alcohol
Some medications (long-term)

Realistic Expectations

Research is still emerging
Not a cure for chronic pain
One piece of the puzzle
Healthy gut habits benefit overall health
Changes take time

When to See a Doctor

Significant GI symptoms
Suspected food intolerances
Before major dietary changes
If considering supplements

References

Minerbi A, Fitzcharles MA. Gut microbiome: pertinence in fibromyalgia. Clin Exp Rheumatol. 2020;38 Suppl 123(1):99-104.
Guo R, Chen LH, Xing C, Liu T. Pain regulation by gut microbiota: molecular mechanisms and therapeutic potential. Br J Anaesth. 2019;123(5):637-654.
Valdes AM, Walter J, Segal E, Spector TD. Role of the gut microbiota in nutrition and health. BMJ. 2018;361:k2179.