The Ancient Herb That Beat Placebo in an 8-Week Lifting Trial: Strength, Muscle Size and Testosterone
Could a centuries-old Ayurvedic root really out-lift a placebo? In an 8-week randomized trial of 57 novice lifters, men taking 300 mg of ashwagandha extract twice daily gained more bench-press strength, more arm and chest size, and a bigger testosterone rise than the placebo group. They also lost more body fat. The catch is that the study was small, short and limited to beginner men. Here's what the data show, how the dosing worked, who might benefit and why you should stay skeptical.
How Much Protein Actually Maximizes Muscle? The 1.6 g/kg Plateau, Explained
Think you need 2+ grams of protein per pound to grow? A meta-analysis of 49 trials and 1,863 adults found muscle-building benefits leveled off around 1.6 g/kg per day. The upper confidence limit reached about 2.2 g/kg, giving lifters a practical range instead of an arbitrary mega-dose. Trained lifters gained the most from supplementation, while the benefit shrank with age. Here is what the numbers mean for your plate, your shaker bottle and your budget.