Synbiotics

Synbiotics are a combination of probiotics and prebiotics that work synergistically to promote a healthy gut microbiota. The term was first introduced in 1995 by Gibson and Roberfroid.

Definition

Synbiotics are defined as "mixtures of probiotics and prebiotics that beneficially affect the host by improving the survival and implantation of live microbial dietary supplements in the gastrointestinal tract, by selectively stimulating the growth and/or activating the metabolism of one or a limited number of health-promoting bacteria, and thus improving host welfare."

Components

Probiotics

Probiotics are live microorganisms that, when administered in adequate amounts, confer a health benefit on the host. They are often strains of bacteria that are part of the normal human gut microbiota, such as Lactobacillus and Bifidobacterium species.

Prebiotics

Prebiotics are non-digestible food ingredients that beneficially affect the host by selectively stimulating the growth and/or activity of one or a limited number of bacteria in the colon. They are often carbohydrates such as oligosaccharides.

Health Benefits

Synbiotics have been studied for their potential health benefits, including:

• Improvement of gut health
• Enhancement of the immune system
• Reduction of risk for certain diseases, such as colorectal cancer and inflammatory bowel disease

Safety and Regulation

Like all dietary supplements, synbiotics are regulated by the Food and Drug Administration (FDA) in the United States. They are generally considered safe for consumption, but individuals with compromised immune systems or serious illnesses should consult with a healthcare provider before starting any new supplement regimen.

See Also

• Probiotics
• Prebiotics
• Gut microbiota
• Dietary supplement