Home Experts Why Am I Not Gaining Muscle Mass? Top 10 Muscle Building Mistakes…

Why Am I Not Gaining Muscle Mass? Top 10 Muscle Building Mistakes…


Last updated on September 25th, 2019 at 12:20 pm

Let’s be honest:

One of the most horrifying scenarios is where you look at yourself in the mirror after weeks of working out and dieting and you end up asking yourself the notorious question:

“Why am I not gaining muscle mass?”

The quest for lean muscle growth isn’t an easy one. Most of us struggle.

Unless, of course, you are one of the few lucky people in the world who are blessed with amazing genetics. Then you have nothing to worry about.

No matter what you do, how you train, or what you eat, you’re still going to have a muscular physique.

For the rest of us, however…

Lady or dude, if you’ve been working hard to build muscle and you have seen little to no progress, you have probably fallen victim to one or more muscle building mistakes.

Not seeing muscle gains can be quite the painful experience, without a doubt!

This is exactly why I decided to share with you:

…That will help you have a clear answer to the question “Why am I not gaining muscle?”

And help you get back on track with your quest to a better body.

Let’s dive in:

Muscle-Building Mistake #1: You Don’t Eat Enough

why am i not building muscle

There is a really good analogy that I love by Alex Carneiro, he asks:

Can you build a house with blueprints, construction workers, but no raw materials? Nope.

Nutrition is the principal element in fitness. Regardless whether we are talking about weight loss or muscle growth, your diet plan is of extremely importance.

Sadly, muscle doesn’t just magically appear on your body.

It requires the right amount, and type, of nutrients in order to grow – this includes carbs, protein and fats.

You can lift weights all you want at the gym, you can gain immense strength, do reps until you turn blue, but until you have your diet in check you’re not really going to see any improvements.

Your goal needs to be a small caloric surplus. Enough to create an anabolic effect and elevate muscle hypertrophy but not too much to make you gain fat, which can be disadvantageous both hormonally and psychologically (as I explain in better detail further in the article).

According to Dr. Jacob Wilson, who ran a number of experiments, extra calories can have an anabolic effect, however there is a ceiling for their positive effects. I really recommend you read his article “Is Bulking Really Necessary?“ where he explains everything in greater detail.

Dr. Wilson also states that you can gain muscle mass without being in a caloric surplus, thus preventing any excess fat gain – it’s just not going to be as much. And as I’ve already touched on the subject you can even build muscle and lose fat at the same time.

He also claims that in his study the group that was overfed a moderate 800 calories received the best results. Essentially presenting the notion that an 800 calorie surplus is an ideal place to be at.

That may be confusing for many as there are quite a lot of fitness experts who claim that a surplus of 300 calories is ideal and more than enough to ensure great results.

I always advocate experimenting – try and see which one delivers the best muscle building results with the least fat gain consequence.

So here’s the thing:

A great place to start is a calorie calculator that does the whole BMR calculations for you (here is a good one).

Remember that no calorie calculator out there is going to give you an exact number. You need to find out for yourself how much is too much and how much is too little.

Use a scale and other tools to find out whether you’re gaining weight faster or slower than expected. Consequently, if faster lower your caloric intake, if slower consider increasing it.

Fitness is a learning process. You experiment with different things and based on how YOUR body reacts to certain foods and workouts you make assumptions and apply the necessary controlled action.

why am i not gaining muscle

Muscle Building Mistake #2: You’re Not Eating Enough Protein

not building muscle

Protein is the one nutrient that your body needs in order to restore molecularly destroyed muscle tissue.

In order for you to grow you need to have an adequate amount of protein in your diet.

Protein has pretty much become the staple of building muscle and by this point it should come to you as no surprise of how important the nutrient is.

Here is what is interesting:

You would think that with all of the various online fitness gurus, fitness athletes, even fitness companies telling us over, and over, and over again how important protein is, we still tend to not eat enough.

I, myself, have fallen victim to inadequate protein consumption.

What I noticed was quite stressful:

No matter what I did, how hard I trained, or how many calories I ate, I was repeatedly asking myself the question:

“Wait, why am I not gaining muscle!?”

I was confused, I was frustrated and I was pretty close to giving up. It was just not making any sense to me.

In my case:

The main culprit to blame was dietary fibre. I was eating too much fibre that stuffed me up and made it really hard to eat anything else that is an adequate source of protein.

Obviously enough, the lack of protein in my diet was causing me to see no gains in muscle and strength.

When it comes to how much protein is enough…

Different experts will provide you with different “protein-benchmarks” that you need to hit in order to grow in size and strength.

According to Alex Carneiro an appropriate amount for people who are trying to pack on some size is approximately 1.3 – 1.5 grams of protein per 1lbs of your body-weight.

However, the most famous rule of thumb out there is that the best place to start is eating 1 gram per 1lbs.

What that means is that if you weigh 180lbs (81.6kg) you should consume anywhere from 180g to 270g of protein.

The truth, however, is not that simple. Not every person is the same.

We all have different genetic constructs and as a result we all operate differently.

What works for you, might not work as well for others and vice versa.

The recommended amount might also be different based on your daily activity and lifestyle. For example, if you’re the type of person who works a physically demanding job, you would probably want to make sure that you eat a bit more protein in order to successfully facilitate muscle development and prevent muscle loss.

Perhaps even consider using supplements such as branched chain amino acids (BCAAs) if you want be more safe.

The best measure to take is to calculate your necessary protein consumption, using a protein calculator, so that you have a rough idea how much protein you will need to eat on a daily basis.

And from there on you can start tweaking your diet so that you are receiving the right amount of protein that matches your body structure and lifestyle.

why am i not gaining muscle

Muscle Building Mistake #3: You’re Impatient

can't gain muscle no matter what

If it were up to me I would say that the number one reason why people give up on their muscle building quest is because they are too impatient.

They want fast and visible results, NOW!

They start working out and dieting with these extremely high expectations and once they are unmet, and they notice how hard it actually is to build muscle, they either:

Start complaining – crying out “Why am I not gaining muscle, why am I not gaining muscle?! I ‘ve been doing everything correctly!”;

Or they simply give up.

To be fair, the fitness industry is to blame for this:

Seeing those amazing and quick results by which fitness gurus swear, claiming that anybody can have a sizzled body within weeks of working out and dieting.

Not to mention all of the Photoshop that some models use to augment their results and claim to be real, or…

The fact that there are those who use steroids and other substances to inflate their muscle results and afterwords claim that they are completely natural.

It is important for you to understand that muscle-building is a slow process:

It’s a marathon, not a sprint, and only those who are patient enough are the ones who can enjoy the comfort of having a ripped physique.

According to Dr. Michael Colgan the most muscle gained over the course of a year ever recorded (on an athlete) is 18 and 1/4 lbs (read more).

Dr. Stuart Phillips claims that he has never seen average muscle gains exceed half a pound per week (read more).

“Rome was not built in a day”, people!

The sooner you accept that the better the result that will follow!

why am i not gaining muscle

Muscle Building Mistake #4: You’re Lifting Too Heavy

why am I not gaining muscle

There is a condition that all of us guys suffer from when at the gym, it’s known as “ego lifting”.

You’ve probably heard of it before:

It’s when guys go to the gym with the intentions of having a good and productive workout. But as soon as they lie down on the bench or curl up the first dumbbell they start lifting heavier and heavier, until they reach to the point where the weight is too heavy for them to manage with proper form and range of motion rendering the whole exercise meaningless.

Some do it because they want to impress their peers.

Others do it because they believe that the heavier they lift the better the gains.

And third do it because it feels good – a sense of self-achievement if you will.

Whatever the case might be, lifting too heavy is never a good thing!

You’re incapable of maintaining proper form, your range of motion sucks because you’re trying to pump as many reps as you possibly can, your rep max is poor, and you’re training towards building strength, not muscle (yes those two things don’t always go hand-in-hand).

Not to mention the high risk of injury!

The rational thing to do is stop giving a damn about what other people think about your lifts.

Or, even better, stop believing that others actually give a damn about how heavy you lift compared to themselves.

Slow down and start controlling the weights in order to achieve that muscle-mind connectivity that everybody’s been talking about.

Try and aim for 8-12 reps per set, proper form, proper ROM, and proper rest – anywhere from 60-120 seconds between sets and 120-240 between exercises (depending on what your goals are and how heavy you’re lifting that specific set).

And for everybody who are ego-lifting:

Try and remember that you are not in competition with everybody in the gym, but rather with yourself.

why am i not gaining muscle

Muscle Building Mistake #5: No Compound Exercises

not seeing muscle gains


Curls, quad extensions, lateral raises, and pull downs are all great exercises but are not going to really change your muscle building game as much as you are hoping.

Compound exercises are the staple to a great physique!

They help build physiological symmetry and proportionality, burn calories like crazy, and help build muscle in areas that you’ve not even heard of.

Compound exercises are also great for improving testosterone and HGH production, which are hormones linked with muscle growth.

Furthermore, they are great for building strength, which will help you out with your other exercises.

For example…

By improving your pull-ups you are essentially improving your pulling strength and thus will be able to increase the lifting load on your curls;

Improving your dips (chest or triceps) improves your pushing mobility thus helps you enhance your bench, push-ups, and other push-related-exercises.

In other words:

Compound exercises have a trickle-down effect where they don’t just improve muscle development themselves but also elevate the impact that other exercises poses on growth.

why am i not gaining muscle

Muscle Building Mistake #6: Skipping Legs

why am i not building muscle mass


I completely understand the struggles of having to go to the gym to train those puppies downstairs.

But you might want to start hitting them legs a bit more often that you are used to.

Ask yourself this:

Have you ever seen a muscular guy that never trains legs at the gym?

The answer is probably yes, right? Think of the veterans who have lost their legs in war.

Some of them have HUGE upper-bodies – big arms, basketball-shaped deltoids, pecs so big i can lose my change between them.

You get the picture.

So this is prime evidence that training legs is unnecessary for a strong and big upper-body right? Well, not exactly.

Legs are a big muscle group, correct?

When you train big muscle groups your body responds by producing more testosterone, HGH and other anabolic hormones that benefit your whole body and promotes more muscle growth.

So next time you go to the gym, don’t forget to give your two sticks downstairs some attention, they’ll repay you.

why am i not gaining muscle

Muscle Building Mistake #7: Not Enough Rest

not building muscle

Contrary to popular belief:

Muscle is not built when at the gym, but rather when resting and in deep asleep.

It is when our HGH and testosterone levels are at their peak.

Moreover, when you deprive your body of rest you also increase Cortisol levels.

Cortisol, the infamous stress hormone, is a catabolic hormone that can break down muscle tissue and, horrifically, increase the storage of body fat.

Straight from a gym horror story, I know!

Just like you plug your phone to the charger and let it charge overnight, do the same for yourself.

I discuss the infamous diabolical hormone Cortisol in more detail later in the article – so keep reading.

why am i not gaining muscle

Muscle Building Mistake #8: Your Workouts Lack Variety

I am not gaining muscle

One of the main reasons why there are so many guys and girls out there that are not seeing any muscle gains is because they deprive their workouts of any variety.

They are stuck in an inertia where they do the same thing over, and over, and over again.

And we’re not just talking about exercise variety, we’re talking about execution variety –

Like for example, longer ROM, negative sets, failure reps, drop-sets, etc.

The more variety there is in your workout, the more stress/pressure you’re putting your muscles through.

And as Arnold infamously said:

“Muscle grows under stress”

Sort of like a diamond, quite poetic.

The best advice I can provide you with is:

Progressively add variation to your workouts that will shock your muscle.

For example:

Use different exercises that target the same muscle, different grips, different weights, different executions of the exercises (negative sets, drop sets, failure reps) to really push your muscle to grow

Make sure that every week when walk through the doors of your gym you do something different.

why am i not gaining muscle

Muscle Building Mistake #9: Too Much Stress

muscle building mistakes

You’re having troubles at home, at school or at work.

You’re stressed and you start noticing changes in your body that you’re not so happy about – specifically that you’ve plateaued and you are not gaining any muscle.

Higher stress levels – namely as a consequence of higher Cortisol levels – can have a number of disadvantageous effects on muscle hypertrophy, such as:

Inhibiting protein synthesis, increasing protein breakdown (muscle catabolism) and decreasing the amino acid uptake by muscles, and have a negative impact on testosterone production (read here and here).

In 2006, Stephen Bird, carried out a study that helped paint a clear picture of the hormonal affects of Cortisol and how different nutritional interventions impact these changes.

why am i not building muscle

He divided people into four groups:

Those who after their workout drank a placebo (plain water), those who took carbohydrates, those who took essential amino acids, and lastly those who took a combination of the two.

What he found out was quite interesting…

The studies showed that the group which drank only water had an increase in muscle breakdown 48 hours after the training session.

While the group that was taking EAA and Carbohydrates managed to combat the catabolic effect of Cortisol.

This is an important and thought-provoking piece of information because of two main reasons:

First it shows how powerful are the negative effects of Cortisol on protein breakdown.

And more importantly it shows how through appropriate supplementation (and obviously dieting) those who exhibit higher Cortisol levels can revers its effects on muscle growth.

why am i not gaining muscle mass

The diabolical stress hormone also has indirect effects:

Heightened stress levels may lead to severe psychological effects – such as lack in desire to exercise and diet.

People often fall victim to “Comfort foods” that are packed with sugar, fats and other bad nutrients that lower muscle growth and make them gain a lot of body fat.

Not to mention that it can cause increased insulin production and decreased testosterone in the body:

Which as you could probably guess can cause some people to be trapped in a scenario where they can’t gain muscle no matter what they do.

Lowering and maintaining low stress levels can be hard. However, There are number of helpful exercises and techniques, and, as we saw, some supplements that can help lower its inhibiting effects on muscle growth.

why am i not gaining muscle

Muscle Building Mistake #10: Eating Too Dirty

why am i not gaining muscle

The amount of times I have heard the phrase “It’s OK, I’m bulkng” is insane.

As a matter of fact, that phrase is now so popular that it became a meme:

why am i not gaining muscle

We all know that one guy (or are) who slams pizzas, burgers, ice cream and various other dirty calories.

It’s quite easy to fall victim to a dirty diet, simply because it’s… easier.

Junk food is easy to digest, cheap, grants a large number of calories and is somewhat rich in macro-nutrients which makes it possible to reach your daily macro goal.

Not to mention how incredibly tasty it is!

The only downside is that it does more harm than good – the cons definitely outweigh the pros (if any).

The main disadvantage obviously is the drastic increase in body fat.

This again leads to lowered testosterone and growth hormone production which means that you will end up not gaining any muscle mass.

Not to mention that you will, sooner or later, have to enter a cutting phase.

A cutting phase essentially means that you will have to decrease your daily calories in a deficit and place yourself in a workout regime that is designed to help you burn fat and less focused on building muscle.

You also put yourself in that mental mind-set.

So basically what you end up doing is getting stuck in a loophole where you’re really not building muscle.

It’s important to remember that your diet is of high importance. What you eat will ultimately determine your muscle building success.

This is why you really need to make sure that the food you put on your plate is packed with valuable micro and macro-nutrients that will enhance muscle growth.

I understand how hard it may be to stay away from such foods as they are quite addictive – but if you’re hoping to grow bigger and stronger it would be important that you try your best to limit or stop your consumption of dirty calories.

why am i not gaining muscle


So there you have it – hopefully these 10 muscle-building mistakes will shine some light and help you answer the question “Why am I not gaining muscle mass?”.

Something worth remembering from this article is that as soon as you notice that your progress is slacking and that you’re not building muscle, it’s time to calm down and assess your diet and workout.

The primary purpose behind this post is so that you have an easy check list that you can use of the top 10 most common muscle building mistakes that usually cause muscle growth plateaus to find out what could potentially be hindering your progress.

Obviously, there could be far more than what appears on the surface and if that is the case then I would strongly recommend you seek advise from an expert who will provide you with far more detailed feedback on your situation and what could be stopping you from building muscle.

Tell me what you think

In the comments bellow let me know what you think about the list. Can you think of any other infamous muscle-building mistakes that you would like to share with us

Also, can you recommend any potential solutions [that have worked for you] to the ones already listed in the post

Let me know!


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