Can You Build Muscle on Keto?

Quick answer: Yes. Muscle is built by two things: resistance training that asks your muscles to do more, and enough protein to repair and grow them. Keto doesn't block either one. Your carb level matters far less than your protein number. KetoDick's line is that the keto community has "a huge inappropriate fear of protein", from the video, and that too little protein can mean muscle loss (video UygKGoP_BtA).

On this page

• The two ingredients
• Why protein, not carbs, is the number to watch
• How much protein
• Building muscle while losing fat
• What the research says
• KetoDick's take
• How to set it up
• Key takeaways
• Related

The two ingredients

Muscle grows when you give it a reason and the materials.

The reason is progressive resistance: weights, bands, bodyweight work, anything that gets harder over time. The materials are protein, eaten across the day.

Carbs fuel hard sessions, especially explosive ones, and that's a real difference on keto (see Keto for MMA and combat sports). But fuel for a session isn't the same as material for muscle.

Why protein, not carbs, is the number to watch

Here's the confusion. Old-school keto advice told people to keep protein low, worried it would "kick you out" of ketosis. KetoDick pushes back on that hard. In his beginner basics he calls the community's fear of protein inappropriate, and says that "breaking a stall" by cutting protein often just loses muscle, so err high (video UygKGoP_BtA).

His model treats protein as a goal and carbs as a limit, with fat filling the rest (video cTGYIFOTPl8). For muscle, that's the right way round.

How much protein

His rule of thumb (video UygKGoP_BtA):

He also reminds people that "100 g of protein" means 100 g on the label, not 100 g of meat (video cTGYIFOTPl8).

The research tends to give grams per kilogram of body weight, and for people who lift, those numbers often come out higher than his. Back-of-envelope, for a 70 kg (154 lb) woman:

• At 1.6 g/kg (where training gains plateaued in a big meta-analysis): about 112 g a day.
• At the ISSN range of 1.4 to 2.0 g/kg: about 98 to 140 g a day.

So his 80 g plus 20 for training lands at 100 g, near the bottom of that range. That isn't a contradiction you need to resolve today. Start where you can, and if you're lifting seriously, nudge toward the research numbers. More in How much protein.

Building muscle while losing fat

This is the question most readers actually care about: can you gain muscle while you're losing fat? Sometimes, yes, especially if you're new to lifting. It's called recomposition, and it's one reason the tape can move while the scale doesn't (see Losing inches but not weight).

KetoDick's point that muscle burns more calories than fat (video f119qGyJ7AY) is part of why it's worth doing. More muscle means a slightly bigger daily burn, which helps in maintenance.

What the research says

• Training plus protein adds muscle. Across 49 trials with 1,863 people, protein supplementation increased resistance-training gains in fat-free mass and strength, with a plateau around 1.6 g/kg/day (Morton et al., 2018).
• Muscle gain in a deficit is possible. In 40 young men on about a 40% energy deficit with intense training for four weeks, 2.4 g/kg/day of protein gained lean mass and lost more fat than 1.2 g/kg/day (Longland et al., 2016). Men only, hard training, short trial: a proof of concept, not a promise.
• Protein protects muscle while dieting. Across 24 trials, energy-restricted high-protein diets lost less fat-free mass (Wycherley et al., 2012).
• Spread it out. The ISSN gives 1.4 to 2.0 g/kg/day for most exercising people, 20 to 40 g per dose every three to four hours (Jäger et al., 2017). Another review suggests about 0.4 g/kg per meal over at least four meals to reach 1.6 to 2.2 g/kg/day (Schoenfeld & Aragon, 2018).
• Over 65, more matters. The PROT-AGE group recommends 1.0 to 1.2 g/kg/day for adults over 65, with 25 to 30 g per meal (Bauer et al., 2013). In 2,066 adults aged 70 to 79, the highest protein intakes lost about 40% less lean mass over three years (Houston et al., 2008).
• Kidneys. In adults without kidney disease, higher protein didn't change kidney filtration differently across 28 studies (Devries et al., 2018). Reviews flag caveats for people who already have kidney disease (Pesta & Samuel, 2014).

None of these trials is specific to women aged 30 to 60 on keto. They're the best general guide available.

KetoDick's take

His stance: don't fear protein, hit your number, and if you're training hard, add to it (video UygKGoP_BtA). He also says exercise isn't required for weight loss but is the best thing for health (videos UygKGoP_BtA, f119qGyJ7AY). Building muscle is where exercise and keto fit together best.

Where his rule and the trials differ, it's on the size of the number, not the direction. He sets an easy starting point; the training studies say people who lift often benefit from more.

How to set it up

So what you do is:

1. Pick a protein target. Start at his number (80 g women, 100 g men, plus modifiers), or use 1.6 g/kg if you lift regularly.
2. Split it over three or four meals, about 20 to 40 g each (the ISSN per-dose range).
3. Lift regularly. Full body is fine. Add weight or reps over time.
4. Keep carbs where they are for most training. Consider small doses around hard sessions only if performance matters to you (video XhEJ9x5sP0g).
5. Don't cut protein to break a stall. Cut fat instead (see Keto plateau after months).
6. Measure with tape and photos, not just the scale.

If you have kidney disease, talk to your doctor before raising protein. If you're over 65 or managing a chronic illness, ask about the higher older-adult range. See Protein and kidneys and Protein for older adults.

Key takeaways

• You can build muscle on keto: resistance training plus enough protein.
• Protein, not carbs, is the number that matters for muscle.
• KetoDick's starting point: about 80 g (women) or 100 g (men), plus 20 for hard training.
• Training studies often point higher, around 1.6 g/kg/day for people who lift.
• Spread protein across meals, and talk to your doctor first if you have kidney disease.

Related

• Guide: Maintenance · Recomposition · How much protein · Protein for older adults · Protein and kidneys
• Blog: Losing muscle on keto · Hitting your protein goal on keto · Keto for women over 40 · Losing inches but not weight · Keto for MMA and combat sports
• Videos: Keto basics for beginners · Simple keto diets and do you need exercise? · Beginner keto questions and tips