Other ingredients: microcrystalline cellulose, hypromellose, maltodextrin; less than 2% of: magnesium stearate, silicon dioxide.
Warnings: talk to a healthcare professional before using if you are taking medication (especially immune suppressing drugs or contraceptives), have an immune-compromised condition (e.g. Aids, lymphoma, undergoing long-term corticosteroid treatment) or if you are pregnant/nursing. Do not use if inner seal is broken or missing.