Immunomodulatory dietary polysaccharides: a systematic review of the literature.

Summary: Can eating specific carbohydrates actually boost your immune system? A recent review of scientific literature suggests the answer is yes. Researchers analyzed dozens of studies focusing on "polysaccharides"—complex sugars found in foods like mushrooms, plants, and algae. While many previous studies involved injecting these compounds, this review focused specifically on what happens when we eat them. The results were promising: in both animal and human studies, compounds like beta-glucans (from mushrooms) and arabinogalactans successfully stimulated immune function. Specifically, extracts from the Trametes versicolor mushroom helped cancer patients survive longer, while other compounds helped with allergies and canker sores. Overall, these dietary supplements appear safe and effective for supporting immune health.