Chewable Tablets contain Sildenafil Citrate at full strength 100mg, they are faster to work than original tablets but come in four fantastic flavours and you really can chew them like a sweet without water. They come in preselected flavours – Banana, Strawberry, Pineapple and Orange. Sildenafil Citrate is a phosphodiesterase inhibitor used to treat sexual function problems such as impotence or erectile dysfunction.