presentationa yellow speckled oval tablet.each tablet delivers: quercetin 500mg tableted with: calcium carbonate cellulose tablet coating (hydroxypropyl methylcellulose glycerin) stearic acid silicon dioxide crosslinked cellulose gum magnesium stearate. disintegration time: less than 1 hour. suitable for vegetarians.usage & administration 1 tablet daily. other information allergen advice see presentation section for ingredients listed in bold. the following list of allergens are excluded: wheat barley soya eggs milk (and milk products) lactose nuts sulphites celery fish shellfish yeast and gluten containing ingredients. cautions this product is not recommended for pregnant or lactating women. storage instructions to be stored in a cool dry place and protected from light. legal category food supplement.