Senokot Extra Strength Natural Vegetable Laxative, 12 Tablets (Value Pack of 5) Senokot Extra Strength Tablets provide the gentle, overnight relief from occasional constipation you expect from the Senokot family of laxatives in a double-strength tablet. Available in packages of 12 tablets, Senokot Extra Strength may be effective for treating occasional constipation which doesn't respond to changes in diet or exercise.