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Best Macros to Gain Muscle

Written by: Kevin Hossein

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Published on

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Time to read 5 min

"Nutrition is 90% of the battle. You can work out all you want, but if your diet isn't right, you won't see the results."

- Ronnie Coleman

Building muscle is a goal shared by many fitness enthusiasts, but it requires more than just lifting weights in the gym. Your diet must align with your training goals to gain muscle. This means understanding and optimizing your macronutrient intake. This powerful tool puts you in control of your muscle gain journey. Macronutrients, or macros, are the nutrients your body needs in large amounts to function correctly—specifically, protein, carbohydrates, and fats. Getting the right balance of these macros is essential when you're looking to pack on muscle.

Fuel Meals Muscle Gain Meal Plan

Why Macros Matter for Muscle Gain

Your body needs the right fuel to build muscle. Protein is crucial for muscle repair and growth. Still, carbs and fats also play vital roles in providing energy and supporting overall health. The proper macronutrient ratio ensures that your body has everything to build and sustain muscle mass effectively.

The Ideal Macronutrient Ratio for Muscle Gain

While the perfect macro ratio can vary depending on individual factors like body type, metabolism, and workout intensity, a general guideline for muscle gain is:

  • Protein: 30-35% of daily calories
  • Carbohydrates: 40-50% of daily calories
  • Fats: 20-30% of daily calories

Let’s break down why each of these macros is important and how they contribute to muscle growth:

Protein: The Building Block of Muscle

Protein  is often hailed as the most essential macronutrient for muscle gain—and for good reason. Protein comprises amino acids, the building blocks of muscle tissue. After a workout, your muscles need protein to repair the microtears that occur during resistance training. This repair process is what ultimately leads to muscle growth.

  • Daily Intake: Aim for 1.2 to 2.2 grams of protein per kilogram of body weight. For someone weighing 150 pounds (68 kg), this translates to about 82-150 grams of protein daily.
  • Best Sources: Lean meats (chicken, turkey), fish, eggs, dairy products (Greek yogurt, cottage cheese), legumes, and plant-based proteins (tofu, tempeh).

Pro Tip:  To maximize muscle protein synthesis, spread your protein intake throughout the day, consuming 20-30 grams per meal.

Carbohydrates: The Primary Energy Source

Carbohydrates  are your body's primary energy source, especially during high-intensity workouts. When lifting weights or engaging in resistance training, your muscles rely on glycogen (stored carbohydrates) for fuel. Consuming enough carbs ensures that your muscles have the energy they need to perform at their best, keeping you prepared and energized for your muscle growth journey.

  • Daily Intake: Aim for 4-7 grams of carbohydrates per kilogram of body weight, depending on your activity level. For a 150-pound (68 kg) individual, this would be about 270-475 grams of carbohydrates per day.
  • The Best Sources are whole grains (brown rice, quinoa, oats), starchy vegetables (sweet potatoes, potatoes), fruits, and legumes.

Pro Tip:  Consume a carbohydrate-rich meal or snack before and after your workout to replenish glycogen stores and support recovery.

Fats: Essential for Hormone Production

Fats  are often misunderstood in the context of muscle gain. While they don't directly contribute to muscle growth, fats play an essential role in hormone production—particularly testosterone- critical for building muscle. Additionally, fats are a concentrated energy source that helps you meet your daily caloric needs without excessive food. By including healthy fats in your diet, you're supporting your muscle growth and nurturing your overall health.

  • Daily Intake: Aim for 0.5-1 gram of fat per kilogram of body weight. For a 150-pound (68 kg) person, this translates to about 34-68 grams of fat per day.
  • Best Sources: Healthy fats such as avocados, nuts, seeds, olive oil, and fatty fish (salmon, mackerel).

Pro Tip:  Include a source of healthy fat in your meals to help absorb fat-soluble vitamins (A, D, E, K) and support overall health.

Explore our muscle gain meal plan. 

Now that you know the best macronutrient ratio for muscle gain, the next step is to incorporate these macros into a daily meal plan. This meal plan provides a balanced protein, carbs, and fats intake, ensuring that your muscles have the fuel to grow while supporting overall health.

Supplements: Aiding Your Muscle Gain Journey

While whole foods should be your primary source of nutrients, supplements can be a convenient way to meet your macro goals, especially when busy. Some of the most popular supplements for muscle gain include:

  • Whey Protein: A fast-digesting protein that's ideal for post-workout recovery.
  • Creatine: A supplement that can enhance strength and power during high-intensity workouts.
  • Branched-chain amino Acids (BCAAs): Help reduce muscle soreness and promote recovery.

Remember, supplements should complement your diet, not replace it.



Conclusion: Fuel Your Muscle Gain with the Right Macros

Building muscle requires a strategic approach to both training and nutrition. By focusing on the right macronutrient balance—prioritizing protein, fueling with carbohydrates, and supporting hormone production with healthy fats—you'll create an optimal environment for muscle growth. Whether you're just starting your fitness journey or looking to take your gains to the next level, mastering your macros is vital


At Fuel Meals, we understand the importance of proper nutrition for muscle gain. Our meals are designed to provide the perfect balance of macros to help you achieve your goals without the hassle of meal prep. Check out our Discounted Meal Plans and start fueling your body with the nutrients it needs to build muscle effectively.

What are the best macronutrient ratios for muscle gain?

The ideal macronutrient ratio for muscle gain typically includes higher protein intake (around 30-35% of total calories), moderate carbohydrates (40-50%), and moderate fats (20-30%). However, these ratios are not set in stone. They can be adjusted based on individual goals, body composition, and activity levels, giving you the power to tailor your nutrition to your needs.  

How much protein should I consume to build muscle?

For muscle gain, consuming between 1.6 to 2.2 grams of protein per kilogram of body weight per day is recommended. This amount is particularly beneficial when combined with strength training, as it supports muscle repair and growth.  

Can I gain muscle on a low-carb diet?

While gaining muscle on a low-carb diet is possible, it's important to remember that carbohydrates are the body's primary energy source, especially for high-intensity workouts. Consuming enough carbs ensures you have the energy needed for intense training, which is crucial for muscle growth.  

Is it necessary to track macros to gain muscle?

Tracking macros can be very beneficial for gaining muscle, as it helps ensure you consume the right amount of protein, carbs, and fats to support your goals. While it's not mandatory, it provides a structured approach that can lead to more consistent results.