Do not use if you have gluten intolerance (celiac disease).
Precautions & Adverse Effects:Do not use if you are allergic to yeast products, if you are pregnant or breastfeeding. Adrien Gagnon Brewer's Yeast is a food supplement that is a source of proteins and amino acids; B-Complex vitamins and minerals, mainly potassium, phosphorus and iron.Dosage: Adults: Take 2 to 3 tablets 3 times daily, with a meal.