ⓘ Prices verified March 2026. All links open live brand or Amazon pages in a new tab. Dosages shown are per standard single serving as stated by the brand. "Lab Tested" = publicly available Certificate of Analysis (COA) or confirmed third-party testing. "Made in USA" = mushrooms grown and processed domestically. "★ Small Biz" = founder-operated brand with fewer than ~20 employees. This tool is for informational comparison only. Always consult a healthcare professional before starting any supplement regimen. *These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.