By LAURA LEONARD
Doctor of Chiropractic
Los Alamos
Short-chain fatty acids (SCFAs) are a group of fatty acids that contain fewer than six carbon atoms and are produced by our resident intestinal bacteria (aka: our microbiome) as a byproduct of dietary fiber digestion. The most prominent SCFAs found in the gut are acetate, propionate and butyrate.
When it comes to maintaining optimal gut health, we often hear about the importance of a balanced diet, fiber intake and probiotics. However, we now know that SCFA’s might be the most important key to gut health and overall wellbeing. Foods like whole grains, fruits, vegetables, legumes and certain fermented foods provide the necessary substrates for our gut bacteria to produce SCFA’s. At the end of the day, eating fiber isn’t just for staying regular it’s crucial for SCFA production.
SCFA production is essential to well-being for the following reasons:
- Improved Gut Health/Microbiome: SCFAs contribute to maintaining a healthy gut environment. They promote the growth of beneficial bacteria, such as Bifidobacteria and Lactobacillus, while inhibiting the growth of harmful pathogens. This balance is crucial for proper digestion, nutrient absorption and a healthy immune system.
- Enhanced Intestinal Barrier Function: SCFAs support the integrity of the intestinal barrier, preventing the leakage of toxins and harmful bacteria into the bloodstream. They promote the production of mucins, which are protective substances that form a physical barrier between the gut lining and its contents. When this barrier is unhealthy, we are more susceptible to immune system dysfunction.
- Reduced Inflammation: Butyrate, in particular, exhibits potent anti-inflammatory properties. It helps regulate immune responses and can alleviate inflammation in the gut. Chronic inflammation is associated with the development of chronic diseases like arthritis, atherosclerosis and dementia.
- SCFA’s are an Energy Source for the Colon: SCFAs serve as a crucial energy source for colonocytes, the cells lining the colon. Butyrate, specifically, provides a significant proportion of energy to these cells. This energy supply contributes to the maintenance of healthy colonic tissue and supports its proper functioning.
- Metabolic Health: SCFAs play a role in regulating glucose and fat metabolism. They can improve glucose utilization, reduce the risk of type 2 diabetes and influence the production of hormones involved in appetite control.
Tips to improve SCFA production in your gut include the consumption of fermented foods such as: yogurt, sauerkraut, kimchi, kefir and kombucha. These foods contain live bacteria that can populate the gut and contribute to SCFA production. Consume more resistant starch like green bananas, cooked and cooled potatoes, legumes and whole grains like oats. Foods comprised of resistant starch which resists pass through the small intestine and reach the colon intact which improves SCFA production in the colon. In addition to this: avoid excessive antibiotic use, stay hydrated, exercise, reduce alcohol consumption and use prebiotic supplements such as inulin.
Everyone’s gut microbiota composition is unique and individual responses to dietary changes may vary. If you have questions, it’s always a good idea to consult with a healthcare professional or registered dietitian for suggestions tailored to your specific needs.
Dr. Leonard’s practice focuses on posture and performance using a combination of soft tissue release, adjustments & exercise recommendations. She also coaches patients on nutrition, self-care & body awareness to manage themselves in between visits. LA Chiropractic Center is at 557 Oppenheimer Dr. Suite 100.