- How to Use? Mix 1 – 2 tablespoon with warm water and have it before bedtime. What to expect? Nirava Ayurveda brings you the safest and purest natural products that will nourish and care for you. Nirava Ayurveda Soft Lax is a natural laxative and provides fast relief. It improves digestion, eases bowel movements and keeps your gut healthy.