What role do probiotics play in nutrition?

Probiotics play a significant role in nutrition primarily by supporting gut health through the provision of beneficial bacteria. These microorganisms are known to help maintain the balance of good bacteria in the digestive system, which can enhance digestion, strengthen the immune system, and even influence mental health. A healthy gut microbiome is essential for proper nutrient absorption and may protect against gastrointestinal diseases.

While probiotics do not directly provide essential vitamins, they can aid in the absorption of nutrients, which is crucial for overall health. They are not primarily associated with muscle growth as that pertains more to protein intake and exercise. Similarly, while some people may experience weight management benefits from improved gut health and metabolism due to probiotics, this is not their main role. The primary function is to bolster gut health, making option B the most accurate representation of the role of probiotics in nutrition.