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Protein 101: How Much Do You Really Need to Build Muscle?

All you need to know about protein intake!

Goran avatar
Written by Goran
Updated over a month ago

Alright, lifters, let’s talk protein. It’s the holy grail of muscle building, but with so much conflicting info out there, it’s easy to get lost in the sauce. Don’t worry - we’ve got you covered. Let’s break it down, science-style, so you can crush your goals without overthinking it. 🤯

THE BASIC STUFF

The World Health Organization (WHO) says you need about:

  • 0.8 grams of protein per kilogram of body weight (or 0.36 grams per pound) for general health.

For a 180-pound (80 kg) person, that’s just 65 grams a day. Easy, right? A grilled chicken breast, some rice, and a glass of milk will get you there. But here’s the catch - this recommendation doesn’t account for weight training. If you’re lifting, you’re gonna need more.

BULKING vs. CUTTING vs. RECOMPING

Here’s what research says about how much protein you actually need based on your fitness goal:

  • Bulking 💪🏼: 1.6 - 2.2 grams of protein per kilogram

    When you’re eating in a surplus, your body has plenty of carbs and fats to burn, so it’s less likely to break down muscle for fuel. Research suggests 1.6 to 2.2 grams of protein per kilogram (0.7 to 1 gram per pound) is ideal. For a 180-pound lifter, that’s 125 to 180 grams per day. The classic “1 gram per pound” rule still holds up as a solid high-end target.

  • Cutting ✂: 1.8 - 2.7 grams per kilogram

    When you’re in a calorie deficit, your body is more likely to break down muscle for energy. To protect those gains, bump your protein up to 1.8 to 2.7 grams per kilogram (0.8 to 1.2 grams per pound). For our 180-pound example, that’s 145 to 215 grams per day. If you’re leaner or training hard, aim for the higher end.

  • Recomping 🧬: 1.6 - 2.2 grams per kilogram // 1 gram per cm of height

    Trying to build muscle and lose fat at the same time? Stick to the bulking range (1.6 to 2.2 grams per kilogram). If you’re overweight or obese, a simpler hack is to aim for 1 gram of protein per centimeter of height. So, if you’re 6 feet tall (183 cm), shoot for 183 grams of protein daily.

PROTEIN PER MEAL

Ever heard that your body can only use 20-25g of protein per meal? Yeah, that’s outdated.

Your body can absorb way more protein, but how much it actually uses for muscle growth is still debated. Newer studies show that 40g or more per meal may boost muscle protein synthesis beyond 20-25g, especially after a full-body workout. 🏋🏻‍♂️

That said, total daily protein intake is the most important factor. The best bet? Spread your intake across 3-5 meals per day to keep muscle protein synthesis elevated.

PROTEIN QUALITY

Not all protein is created equal. The amino acid leucine is the quarterback for muscle growth - it’s the trigger that kicks off muscle protein synthesis. To hit the ideal 3 grams of leucine, you’d need:

  • 🥛 29 grams of whey protein (145 calories)

  • 🍗 40 grams of chicken breast (200 calories)

  • 🍞 2,000+ calories of whole wheat bread (yikes 😬)

Animal-based proteins tend to have better amino acid profiles, but vegan protein powders (pea + rice blends) can match whey. So, while quality matters a little, getting enough total daily protein is what really counts.

PROTEIN TIMING

The old “eat protein within 30 minutes of your workout” rule? Debunked! 🗑 As long as you eat protein within 4-6 hours before or after training, you’re golden. The only exception is if you train fasted - then, yeah, get some protein in ASAP.

One timing tip worth considering: protein before bed. 💤 Studies show that consuming about 40 grams of slow-digesting protein (like casein) before bed can boost overnight muscle protein synthesis. But again, if your total daily protein is on point, timing is just the cherry on top.

HIGH PROTEIN INTAKE

Is it safe?

Short answer: YES.
Long answer: STILL YES.

Research shows that even 4.4 grams of protein per kilogram (2 grams per pound) is safe for healthy individuals. So, unless you have kidney issues, you’re good to go.

THE BOTTOM LINE

Here’s the TL;DR:

  1. 🎯 Hit your daily protein target (1.6-2.7 g/kg, depending on your goal).

  2. 🍽 Spread it across 3-5 meals for optimal results.

  3. 🤷🏻‍♂️ Don’t stress too much about timing or quality - just focus on getting enough total protein.

Now that you've got the facts, go hit your protein target and keep making gains!

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