Protein & Muscle Growth: The Power of 1.6g/kg 💪🥩 Protein is the key driver of muscle growth and strength. Research shows that increasing your intake from 1.2 to 1.6 grams per kilogram of body weight can lead to significant gains in lean body mass and overall strength. Whether you’re training for performance or longevity, hitting this optimal protein range helps preserve muscle, boost metabolism, and keep you stronger for longer. For more info on how to live better for longer, download our new