How Much Protein Per Day Should You Eat? Grams by Weight and Age
Healthy adults need at least 0.8 grams of protein per kilogram of body weight a day, about 46 grams for women and 56 grams for men. The 2025-2030 Dietary Guidelines aim higher, at 1.2 to 1.6 grams per kilogram. Older adults, people who lift weights and people cutting calories tend to do best near that higher range.