Nutrition53 formulates its Lean1 shakes to boost energy, catalyze weight loss, and build muscle tone each time you swap one out for a regular meal. Each shake packs in 20–30 grams of high-quality protein, as well as 17 organic fruits and vegetables, 5 grams of fiber, and phytosterols, which may be good for your heart. The nutrients fuel healthy, active lifestyles and give drinkers the energy they need to tackle busy schedules or bench-press all their tax files.