Evidence supporting the use of: Digestion resistant Maltodextrin
For the health condition: Body Building

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Digestion resistant maltodextrin (DRM), also known as resistant maltodextrin or dietary fiber maltodextrin, is a type of soluble fiber that resists digestion in the small intestine and is fermented in the colon. In the context of bodybuilding, DRM is not typically used as a direct performance enhancer or muscle-building supplement. Instead, its inclusion in sports nutrition products is often related to its functional properties: it can improve gastrointestinal health, support regularity, and help modulate the glycemic response of carbohydrate-containing supplements. Some studies suggest that DRM may help moderate postprandial blood glucose and insulin spikes when added to carbohydrate-rich meals, which could be useful for athletes managing energy or fat gain. Additionally, DRM's prebiotic effects may support gut microbiota, which has indirect implications for nutrient absorption, immune function, and overall health—factors relevant to athletes under physical stress. However, there is limited direct evidence supporting DRM as a bodybuilding-specific supplement. Its use is more about enhancing the nutritional profile of foods and supplements (e.g., increasing fiber content, lowering glycemic index) rather than directly improving muscle mass or exercise performance. Thus, while there is a scientific basis for some benefits relevant to athletes, the evidence for a direct role in bodybuilding outcomes remains modest.

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