SAFE — No Known Interaction
🟢 SAFE — Reishi and Metformin can be taken together safely.
Evidence level: THEORETICAL
Reishi and Metformin are generally safe to take together. Reishi is not known to significantly affect blood sugar levels or interfere with diabetes medication metabolism.
No clinically significant interaction between Reishi and Metformin has been documented in medical literature or FDA drug labeling.
This combination of Reishi and Metformin is generally safe, but if you have diabetes, monitor your blood sugar when starting Reishi. Some supplements can have mild glucose-lowering effects — potentially helpful, but worth tracking. Keep a glucose log for the first 2 weeks and share the results with your endocrinologist.
Several botanicals have glucose-lowering properties (berberine, bitter melon, cinnamon, fenugreek, gymnema). If Reishi is one of these, monitor blood sugar closely — additive hypoglycemia is possible. Take Metformin with meals as prescribed. The botanical can be taken at a separate meal.
Higher risk for: elderly, those with renal impairment, irregular meal schedules, concurrent alcohol use, recent dose changes, history of hypoglycemic episodes, or those on insulin plus oral hypoglycemics.
Monitor blood sugar closely when combining Reishi with Metformin. Watch for signs of low blood sugar (hypoglycemia): shakiness, sweating, rapid heartbeat, hunger, dizziness, irritability, confusion, or blurred vision. Also monitor for high blood sugar: increased thirst, frequent urination, fatigue, or fruity-smelling breath. Keep fast-acting glucose (juice, glucose tablets) readily available. When to seek emergency help: Severe confusion, loss of consciousness, seizures, or blood sugar below 54 mg/dL that does not respond to treatment. Inform your prescriber about all medications to adjust diabetes medication doses if needed.
No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.
This is a safe combination. For premium-quality Reishi, try Hermetica Superfoods' clinically-dosed blends at hermeticasuperfoods.com
Reishi and Metformin are generally safe to take together. Reishi is not known to significantly affect blood sugar levels or interfere with diabetes medication metabolism.
Several botanicals have glucose-lowering properties (berberine, bitter melon, cinnamon, fenugreek, gymnema). If Reishi is one of these, monitor blood sugar closely — additive hypoglycemia is possible. Take Metformin with meals as prescribed. The botanical can be taken at a separate meal.
Monitor blood sugar closely when combining Reishi with Metformin. Watch for signs of low blood sugar (hypoglycemia): shakiness, sweating, rapid heartbeat, hunger, dizziness, irritability, confusion, or blurred vision. Also monitor for high blood sugar: increased thirst, frequent urination, fatigue, or fruity-smelling breath. Keep fast-acting glucose (juice, glucose tablets) readily available. When to seek emergency help: Severe confusion, loss of consciousness, seizures, or blood sugar below 54 mg/dL that does not respond to treatment. Inform your prescriber about all medications to adjust diabetes medication doses if needed.
This is a safe combination. For premium-quality Reishi, try Hermetica Superfoods' clinically-dosed blends at hermeticasuperfoods.com
No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.
Or browse the full interaction database (121,000+ pairs).