
Mushroom
Score
Mushrooms are low-calorie fungi rich in selenium, potassium, and bioactive compounds including beta-glucans and ergothioneine that support immune function and cellular protection.
Why Mushroom scores 82
Nutrition
per_100g
Health benefits
Enhanced immune function and reduced infection risk
moderate evidenceBeta-glucans in mushrooms activate macrophages and natural killer cells, improving pathogen recognition and immune surveillance
Cardiovascular protection and reduced inflammation
moderate evidenceErgothioneine and polysaccharides reduce oxidative stress and inflammatory markers; potassium supports healthy blood pressure regulation
Cognitive protection and reduced neuroinflammation
moderate evidenceErgothioneine crosses the blood-brain barrier and protects neuronal mitochondria; bioactive compounds suppress neuroinflammatory cytokines
Improved gut microbiome composition
moderate evidenceIndigestible polysaccharides and beta-glucans serve as prebiotics, selectively feeding beneficial bacteria and increasing short-chain fatty acid production
Enhanced insulin sensitivity and metabolic health
emerging evidencePolysaccharides and their metabolites modulate glucose absorption and improve insulin signaling pathways
Pairs well with
- ·Pair with garlic because allicin (garlic) enhances bioavailability of mushroom polysaccharides and provides synergistic antimicrobial benefits
- ·Pair with olive oil because fat-soluble ergothioneine absorption is enhanced by dietary lipids; cooking mushrooms in olive oil optimizes antioxidant extraction
- ·Pair with leafy greens (spinach, kale) because mushrooms' selenium and B vitamins complement greens' folate and magnesium for comprehensive micronutrient status
- ·Pair with cruciferous vegetables (broccoli, cauliflower) because combined sulforaphane and beta-glucans provide additive effects on phase II detoxification enzyme activation
- ·Pair with legumes because mushrooms' umami flavor reduces need for salt while the combination provides complete amino acid profile with enhanced mineral bioavailability
Practical tips
- ·Best timing: anytime
- ·Choose mushrooms with intact, unblemished caps; store in paper (not plastic) bags in the refrigerator to maintain moisture balance and prevent bacterial growth—they last 7-10 days
- ·Cook mushrooms gently (sauté or roast) rather than boiling to preserve heat-sensitive polysaccharides; cooking actually increases bioavailability of ergothioneine by 5-8x
- ·Select shiitake, maitake, or oyster mushrooms when possible; these contain significantly higher beta-glucan concentrations (3-7% dry weight) compared to button mushrooms (0.3-1%)
- ·Expose fresh mushrooms to direct sunlight for 30-60 minutes before consumption to boost endogenous vitamin D2 production (up to 100 IU per gram dried weight)
- ·Include mushrooms 4-7 times weekly for consistent immune and microbiome benefits; consistent consumption appears more protective than sporadic high intake





