Optimum Nutrition Platinum Pre Workout Advanced, Fruit Punch, 420g (£12.39 / £11.62 max S&S) w/voucher

Optimum Nutrition Platinum Pre Workout Advanced in Fruit Punch (420g, 20 servings) is down to £15.49 at Amazon. It has typically been selling for around £24.33 over recent months, so this works out at roughly 36% below its usual price.
Its currently ranked 3,943 in Health & Personal Care on Amazon and rated 4.3 out of 5 from 827 customer ratings, so plenty of buyers have already tried it.
Key features:
Pre-workout powder to support energy and focus before training
8x more L-citrulline and 2x more beta-alanine per serving than ONs original Gold Standard pre-workout
200mg of caffeine from natural sources to increase alertness and concentration
Vitamins B6, B12, niacin and pantothenic acid contribute to normal energy-yielding metabolism
Available in four flavours this price is for Fruit Punch