Nutrition
How Much Protein Do You Need Per Day: 2026 Guide
Protein is not about eating as much as possible, but about hitting a sensible range for each person and spreading it realistically across the day.
Ranges by goal
Current evidence places most goals between 1.6 and 2.2 grams of protein per kilogram of body weight per day. For maintenance or general health, 1.4 to 1.8 is usually enough; during cutting or muscle gain, moving toward 2.0-2.2 helps preserve lean mass.
There is a practical ceiling: consistently exceeding those numbers rarely adds extra benefit and simply crowds out other nutrients. The goal is not to maximize protein, but to cover the range with food the client can sustain.
Maintenance
1.4-1.8 g/kg covers the needs of most active people.
Muscle gain
1.8-2.2 g/kg with a moderate surplus and strength training.
Fat loss
Aim for 2.0-2.2 g/kg to protect muscle in a calorie deficit.
How to spread it across the day
Loading all your protein into a single meal works worse than spreading it. Splitting intake into three or four servings of 25 to 40 grams optimizes protein synthesis and, above all, makes it easier to reach the daily total.
For busy clients, one serving at each main meal plus a protein-rich snack is more realistic than complex plans. Adherence matters more than perfect timing.
Sources and quality
Animal sources (eggs, dairy, meat, fish) deliver all essential amino acids with high digestibility. Plant sources (legumes, soy, seitan, grain-legume combinations) also work, though combining them and sometimes raising the total slightly helps.
Protein powder is a convenient tool, not a requirement. It helps close out the day when whole food falls short, but it should not replace a varied diet.
How TrainerStudio helps
Instead of texting a loose number, in TrainerStudio you can set the protein target inside the client's plan, add meal examples and request a weekly adherence check-in.
That way you review protein, training and progress in one place and adjust the range when weight or goals change, without chasing information across scattered chats.