Jubilant Life's stock ended at Rs 211.60, up 2.84 per cent on the BSE. During the day, the scrip surged 6.92 per cent to Rs 220 -- its 52-week high.
At the NSE, the stock settled 2.68 per cent higher at Rs 211.
The company is a one amongst the largest manufacturers of Vitamin B3 (Niacin & Niacinamide) in the world.
In a BSE filing, it said the "price increase of 9 per cent for Niacinamide with immediate effect" is for "non-contract customers and wherever existing contracts permit".