Short chain fatty acids

No summary available for this substance.

Short chain fatty acids

Short chain fatty acids (SCFAs) are a group of fatty acids with aliphatic tails of fewer than six carbons. They are produced when the friendly gut bacteria ferment fiber in your colon, and are the main source of energy for the cells lining your colon. SCFAs, such as acetate, propionate, and butyrate, play a key role in gut health and have also been linked to other health benefits.

Category
Fatty Acids
Molecular Formula
C2-C6
Mechanism of Action
SCFAs are primarily produced through the fermentation of dietary fibers by gut microbiota. They are rapidly absorbed by colonocytes, where they are used as substrates for energy production and play pivotal roles in regulating gut inflammation, maintaining intestinal barrier function, and promoting cell differentiation and proliferation.
Evidence Grade
B

Other Names

  • SCFAs
  • Short-chain fats
  • Acetate
  • Propionate
  • Butyrate

Primary Benefits

  • Promotes gut health
  • Supports immune function
  • Regulates inflammation
  • Maintains intestinal barrier function
  • Promotes cell differentiation and proliferation

Recommended Dosage

Adults Not specified due to naturally occurring in the body
Children Not specified due to naturally occurring in the body

Side Effects

  • None known when consumed through natural dietary sources

Precautions

  • Not recommended for supplementation without medical advice
  • May cause bloating or discomfort if consumed excessively through dietary supplements

Interactions

  • None known

Key References

  • Cummings, J.H., Pomare, E.W., Branch, W.J., Naylor, C.P., Macfarlane, G.T. (1987). Short chain fatty acids in human large intestine, portal, hepatic and venous blood. Gut, 28(10), 1221–1227.
  • Macfarlane, S., Macfarlane, G.T. (2003). Regulation of short-chain fatty acid production. Proceedings of the Nutrition Society, 62(1), 67–72.
The Root Cause of Metabolic Dysfunction w/ Dr. Casey Means
Understanding Metabolic Health: Risks, Dysfunction, and Dietary Recommendations 1:08:17 0
“the microbiome eats polyphenols and fiber and then it's going to have a pro effect through the short chain fatty acids they create”

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You’re Eating Too Much Sugar! – You May Never Eat It Again After Watching This | Dr. Robert Lustig
Impacts of Sugar Consumption on Health and Chronic Diseases Prevention 53:06 0
“short chain fatty acids come from fiber consumption and of course ultra-processed food is devoid of fiber”

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The Truth About Microplastics – Dr Rhonda Patrick
Understanding Microplastics and Toxin Exposure in Everyday Health and Environment 9:28 0
“dietary fiber um because so there's two types of fiber there's fermentable fiber you know this is what the bacteria in the distal part of your gut this is the colon um they're fermenting into a bunch of short chain fatty acids to regulate your immune system and do all sorts of beneficial things for your gut then there's also non-fermentable fiber this just moves stuff through your intestines right well the fermentable fiber which is found in fruits and vegetables that um is fermented into like this viscous gel that encapsulates microplastics and nanoplastics and stops them from being absorbed the non-fermentable fiber just like the stuff that moves you know Foods through your through your intestines also just moves the microplastics as well so you're going to be excreting it through feces more rapidly”

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Dr. Robert Lustig: How Sugar & Processed Foods Impact Your Health
Understanding the Complex Relationship Between Nutrition and Metabolic Health 1:03:52 0
“you have the probiotic which is the bacteria itself and you the postbiotic which is what the bacteria make in order to heal you okay and so short chain fatty acids are postbiotics”

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Dr. Robert Lustig: How Sugar & Processed Foods Impact Your Health
Understanding the Complex Relationship Between Nutrition and Metabolic Health 3:11:58 0
“fermented foods short chain fatty acids all good”

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Dr. Casey Means: Transform Your Health by Improving Metabolism, Hormone & Blood Sugar Regulation
Transform health by improving metabolism, hormone regulation, blood sugar control. 1:42:02 0
“short chain fatty acids which of course are the byproduct of microbial fermentation of fiber in the diet stimulates the differentiation of more L cells in the gut so more short chain fatty acids more L cells can we translate that into support the gut microbiome eat more fiber eat more fiber.”

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