For building lean muscle, aim for 1.6–2.2 g/kg of protein per day, split across 3–5 meals with training in the mix.
You’re here to dial in protein so the work you put into the gym shows on your frame. The targets below come from peer-reviewed sports nutrition research, not gym lore. You’ll get clear daily numbers, easy meal math, and a plan you can run this week.
How Much Protein To Build Muscle — Daily Targets That Work
Most lifters land in a daily range that scales with body weight. The best-studied window sits between 1.6 and 2.2 grams per kilogram (g/kg) of body weight. That span covers a lot of training goals and keeps recovery on track. Higher intakes can fit during hard cuts or very high volumes, but the basics below cover the sweet spot for lean gains.
Quick Math By Body Weight
Use the table to find a daily number that fits your size. Pick a point in the range; if you’re lean, train hard, or diet in a deficit, choose the upper end.
| Body Weight | Daily Protein (1.6 g/kg) | Daily Protein (2.2 g/kg) |
|---|---|---|
| 50 kg (110 lb) | 80 g | 110 g |
| 60 kg (132 lb) | 96 g | 132 g |
| 70 kg (154 lb) | 112 g | 154 g |
| 80 kg (176 lb) | 128 g | 176 g |
| 90 kg (198 lb) | 144 g | 198 g |
| 100 kg (220 lb) | 160 g | 220 g |
Where The Numbers Come From
Meta-analyses and position stands in sports nutrition point to a breakpoint near 1.6 g/kg for gains in fat-free mass, with a practical ceiling near 2.2 g/kg for most lifters. The goal is steady muscle protein synthesis across the day, not a giant single shake. If you want the consensus straight from the source, see the ISSN position stand on protein. It reflects a broad research base that compares different protein doses, meal patterns, and sources in trained adults.
Spread Intake Across The Day
Your muscles respond best to repeated hits of amino acids rather than one massive dose. A practical target is 0.25–0.40 g/kg per meal, spaced across 3–5 eating windows. That range covers most body sizes and foods. It pairs well with training days and rest days alike.
Timing With Training
Place one meal within a couple of hours before or after lifting. The exact minute matters less than hitting your daily total and spacing meals. Night owls who train late can use a pre-bed snack with 20–40 g of protein to keep the overnight window covered.
Rest Days Versus Lift Days
Totals stay the same. Keep your spread, keep one meal near your usual session time, and keep carbs higher around hard sessions to drive quality training. Consistency over weeks is what moves the needle.
Choose Foods That Deliver
Protein quality matters for muscle building. Foods rich in leucine and essential amino acids do well: dairy (whey, Greek yogurt, cottage cheese), eggs, fish, lean meats, soy, and plant combos such as tofu with grains. A mixed menu works fine, and supplements are optional.
Animal And Plant Sources
Animal foods pack a dense amino acid profile per calorie. Plant-forward eaters can hit the same totals with blended plates: beans with rice, tofu with noodles, seitan with legumes. If you prefer a powder, check that the label shows at least 20 g protein per scoop and complete amino acids.
Simple Portion Landmarks
As a quick guide, a palm-size portion of cooked meat or fish lands around 25–30 g of protein, a cup of cottage cheese sits near 24–28 g, a cup of lentils about 18 g, and a scoop of whey around 20–25 g. The USDA MyPlate protein foods page lists ounce-equivalents that help you track servings.
Dial The Range To Your Goal
The 1.6–2.2 g/kg span isn’t a straightjacket. Use these nudges to pick your spot:
When You’re Bulking Clean
Set daily intake near the middle of the range. Calories do the heavy lifting on scale weight; protein keeps lean mass moving up while fat gain stays in check.
When You’re Cutting
Lean mass is harder to hang onto in a deficit. Slide toward the top of the range, and keep resistance training steady. Some advanced lifters push higher during deep cuts; do that only if digestion feels okay and fiber, carbs, and fats still fit your calories.
When You’re Brand New
New lifters can grow on the lower end of the range, as the training stimulus itself drives change. Keep meals steady, learn your way around the weight room, and let habit do the rest.
When You’re Plant-Forward
Totals still rule. Aim for the same grams per kilogram, use a mix of legumes, soy, whole grains, and nuts, and keep an eye on calories so your plan stays workable.
Protein Safety And Myths
Healthy adults handle higher protein intakes without harming kidneys or liver when calories and hydration are reasonable. If you live with a diagnosed medical condition, work with your clinician. For healthy trainees, published reviews place long-term safe use near 2 g/kg, with upper limits proposed around 3.5 g/kg in research settings—levels most lifters never need.
Whole Food Versus Powders
Shakes are handy, not magic. They fill gaps when you’re on the move or after training when appetite dips. Keep whole foods as the base of your diet so you also get iron, omega-3s, fiber, and micronutrients.
What If You Miss A Meal?
Don’t chase it with a double scoop. Just fold the missed grams into the next meal and get back to your normal rhythm. Consistency across the week beats perfection in a single day.
Sample Day That Hits The Mark
Here’s a 75-kg lifter targeting ~150 g per day. Swap foods to your taste while keeping the protein line steady.
Three-Meal Plan
Breakfast: Greek yogurt parfait with oats and berries (~35 g).
Lunch: Chicken burrito bowl with beans and rice (~45 g).
Dinner: Salmon, potatoes, and a side salad (~45 g).
Snack: Milk + whey shake (~25 g).
Four-Meal Plan
Meal 1: Eggs on toast with fruit (~30 g).
Meal 2: Tofu stir-fry with noodles (~35 g).
Meal 3: Turkey sandwich with cottage cheese (~40 g).
Meal 4: Casein shake before bed (~30 g).
Per-Meal Cheat Sheet
Use this later-in-the-day reference to keep spreads tight. Aiming near 0.3 g/kg per meal works for most lifters; larger bodies can drift toward 0.4 g/kg. Pair meals with carbs and fluids so training stays strong.
| Body Weight | Protein Per Meal (0.3 g/kg) | Easy Serving Idea |
|---|---|---|
| 50 kg | 15 g | 1 cup Greek yogurt + berries |
| 60 kg | 18 g | 3 eggs + toast |
| 70 kg | 21 g | 90 g grilled chicken + rice |
| 80 kg | 24 g | 1 scoop whey in milk + banana |
| 90 kg | 27 g | 150 g tofu stir-fry |
| 100 kg | 30 g | 120 g salmon + potatoes |
Protein Quality, Leucine, And Real Plates
Muscle building hinges on essential amino acids, with leucine acting like a “start button” for synthesis. Most mixed meals reach that threshold when the protein portion hits 20–40 g, so you don’t need to micromanage leucine grams. Just build plates that reach the per-meal target and include complete sources or smart blends.
Easy Ways To Hit Targets
Keep staples on hand: canned tuna, eggs, Greek yogurt, cottage cheese, tofu, tempeh, chicken thighs, frozen fish, lentils. Cook once, eat twice. Layer flavor with spices, citrus, herbs, and a splash of olive oil. When eating out, look for bowls, plates, or wraps with a clear protein anchor.
Hydration, Fiber, And Comfort
Higher protein works best with enough fluids and fiber. Sip water through the day, include produce at each meal, and aim for a few servings of whole grains or legumes. If a sudden jump in protein leaves you bloated, scale up over a week or two and split larger meals in half.
How We Built These Targets
The numbers here trace back to peer-reviewed trials and meta-analyses that measured gains in fat-free mass alongside different intakes. The range of 1.6–2.2 g/kg shows up repeatedly across studies on trained men and women. Per-meal guidance near 0.25–0.40 g/kg tracks with lab work showing a ceiling for muscle protein synthesis from a single feeding, with bigger bodies leaning closer to the top of the band.
Smart Tracking Without Obsession
Two simple methods cover most lifters. First, count grams directly for a week: read labels, weigh cooked portions once or twice, and log totals. Second, build a default day: repeatable meals that already add to your number so you don’t need a calculator at every bite. Recheck your intake any time your schedule, training load, or body weight changes by more than a few kilos.
Putting It All Together
Pick a daily target from the weight table, split it across 3–5 meals, place one near training, and choose foods you enjoy. Track protein for a week to gauge where you land, then adjust. Keep lifting, sleeping, and hydrating. The body follows the plan.