Protein supports muscle repair, helps you retain lean tissue during fat loss and can make meals more satisfying. The useful target depends on your body size and total diet.
Use a range, not a magic number
For healthy, active adults, a commonly used evidence-based range is approximately 1.4 to 2.0 grams of protein per kilogram of body weight each day. People dieting aggressively or training at a high level may need a more individualized target.
You do not need to hit an exact number every day. A consistent range across the week is more useful than chasing perfection.
Spread protein across the day
Instead of eating very little protein at breakfast and lunch, then trying to recover the entire target at dinner, include a meaningful source at three or four meals. This makes the daily target easier and gives you repeated opportunities to support muscle protein synthesis.
For many adults, roughly 25 to 40 grams at a meal is a useful practical range, though smaller or larger people may sit outside it.
Choose foods you will eat regularly
Chicken breast is not compulsory. Protein can come from lean meat, fish, eggs, Greek yogurt, cottage cheese, tofu, tempeh, beans, lentils and protein powders. Build around preferences, digestion, budget and convenience.
- Greek yogurt with fruit for breakfast.
- Eggs plus egg whites in an omelet.
- Chicken, fish, tofu or lean meat at lunch and dinner.
- A whey, casein or plant protein shake when food is inconvenient.
Protein does not replace the rest of the diet
A high protein intake cannot compensate for consistently excessive calories, very low fiber or a lack of fruits and vegetables. It is one part of the plan.
During fat loss, protein works best alongside progressive strength training and an appropriate calorie deficit. During muscle gain, it works alongside sufficient energy and training volume.
Adjust for medical needs
People with kidney disease, certain metabolic conditions or other medical considerations should discuss protein intake with their physician or registered dietitian. General ranges are not a substitute for clinical advice.
For a detailed review, see the International Society of Sports Nutrition position stand on protein and exercise.
This article provides general education and does not replace individualized medical care. Speak with an appropriate healthcare professional before beginning exercise if you have symptoms, significant health concerns or medical restrictions.