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Can You Get Enough Protein from Food Alone?

  • 6 min read

Protein is often referred to as the building block of life, playing a critical role in muscle repair, immune function, hormone production, and even weight management. Whether you're an athlete, bodybuilder, or someone simply trying to live a healthy life, understanding how to get enough protein from food is essential. But can you meet all your daily protein needs with food alone? And what about those who struggle to hit their protein targets due to busy schedules or dietary restrictions?

In this article, we'll explore how to get enough protein from food, which foods provide the most protein, and when protein supplements such as powders, protein bars, and protein RTDs might help you meet your goals.

Flat lay of some high protein food sources

Can You Get Enough Protein from Food?

For most people, getting enough protein from food is entirely achievable. A balanced diet with the right mix of protein-rich foods can help you meet your daily needs without relying on supplements. However, there are factors that can make this more challenging.

For active individuals, those aiming for muscle gain, or people with higher protein requirements due to specific health conditions, getting enough protein from food can require more careful planning. People with higher protein needs may need to incorporate larger portions of high-protein foods into every meal, or multiple protein-dense snacks throughout the day.

On the flip side, individuals with more sedentary lifestyles or those who simply want to maintain general health can generally meet their protein requirements through whole foods. You’ll also want to take into account your age, gender, and overall health—athletes typically need more protein than those who are not as active, and older adults may also have slightly higher requirements to maintain muscle mass.

Best High-Protein Foods to Include in Your Diet

Here are some of the best high-protein foods that should be staples in your diet to help you reach your protein goals:

  • Chicken Breast: One of the leanest sources of protein, offering about 30 grams of protein per 100 grams. It’s versatile and can be used in countless recipes.

  • Eggs: Each large egg contains about 6 grams of protein. They are also rich in essential nutrients like vitamin D, B vitamins, and choline, which support brain health.

  • Greek Yogurt: Providing approximately 10 grams of protein per 100 grams, Greek yogurt is an excellent protein source and is also rich in probiotics, which support gut health.

  • Tofu and Tempeh: Both are plant-based proteins, providing between 8-15 grams per 100 grams. These are great alternatives for vegetarians or vegans and also come with added fibre.

  • Fish (Salmon, Tuna, and Cod): Salmon is particularly rich in omega-3 fatty acids and protein, offering around 20-25 grams per 100 grams. Tuna, another protein powerhouse, has about 25 grams per 100 grams. Both are excellent for heart health as well.

  • Beans and Lentils: These legumes provide approximately 8 grams of protein per 100 grams. They’re also high in fibre, which aids digestion and helps keep you feeling full.

  • Quinoa: A complete protein source, quinoa contains all nine essential amino acids, making it a great plant-based alternative to meat. It offers around 4 grams of protein per 100 grams.

  • Cottage Cheese: Low in fat and high in protein, cottage cheese provides around 11 grams of protein per 100 grams. It’s also rich in calcium, which supports bone health.

Including a variety of these high-protein foods in your meals ensures that you not only meet your protein needs but also get a range of other essential nutrients to support overall health.

How Much Protein Do You Actually Need?

The recommended dietary allowance for protein is about 0.8 grams per kilogram of body weight for an average adult. For example, a person weighing 70 kg would need around 56 grams of protein per day. However, protein needs can vary based on age, gender, and physical activity levels.

  • Active Individuals and Athletes: Those who are regularly exercising or training may require 1.2–2.0 grams of protein per kilogram of body weight to support muscle recovery and growth. For example, a 70 kg athlete might need between 84 and 140 grams of protein per day.

  • Older Adults: As we age, our bodies become less efficient at processing protein, and we need slightly higher amounts to maintain muscle mass. Older adults may benefit from protein intake closer to 1.2 grams per kilogram of body weight.

  • Pregnant or Breastfeeding Women: Protein is vital during pregnancy and breastfeeding for both maternal health and fetal development. The recommended intake is typically around 1.1 grams per kilogram of body weight.

Challenges of Getting Enough Protein from Food

While meeting your protein needs from food alone is possible, there are several challenges that may make this more difficult:

  • Busy Lifestyles: For many, meal prep can fall by the wayside due to hectic schedules. Preparing protein-rich meals takes time, and if you’re constantly on the go, it can be hard to ensure you’re getting enough protein from food alone.

  • Dietary Restrictions: Vegans and vegetarians often need to carefully choose protein-rich plant-based foods to meet their needs. Without animal products, it’s necessary to consume a wide variety of legumes, nuts, seeds, and plant-based protein sources to ensure adequate intake.

  • Higher Protein Requirements: People aiming for muscle gain or athletic performance may struggle to consume enough protein from whole foods. Protein-heavy meals can be large and time-consuming, and hitting higher targets with food alone can be challenging.

  • Appetite and Satiety: High-protein foods can be quite filling, and some people may find it hard to eat enough throughout the day to reach their protein goals. For those with smaller appetites or high energy expenditure, protein supplements can help fill the gap.

Protein scoop spilled out on counter

The Convenience of Protein Supplements: Powders, Bars, and RTDs

While whole foods should always be the primary source of nutrition, protein supplements provide an easy and efficient way to boost your intake when needed. Supplements like protein powders, protein bars, and ready-to-drink (RTD) protein shakes offer convenient ways to increase your protein intake, especially for those with busy schedules or those who need more protein than what food alone can provide.

  • Protein Powders: One of the most popular protein supplements, powders offer a quick and easy way to consume 20–30 grams of protein in one serving. They come in many forms, including whey, casein, and plant-based options. Whey protein, in particular, is quickly absorbed by the body, making it ideal for post-workout recovery.

  • Protein Bars: Protein bars are portable and easy to carry around. With around 10–25 grams of protein per bar, they offer a quick snack for anyone on the go. Choose bars with minimal added sugars for a healthier option.

  • Ready-to-Drink (RTD) Protein Shakes: RTD protein shakes are convenient, pre-made, and ideal for busy individuals who don’t have time to prepare shakes. These are available in a variety of flavours and protein types, such as whey, or plant-based protein, and provide around 20 grams of protein per serving.

While these protein supplements are useful for meeting specific protein targets, they should complement a balanced diet rather than replace whole food sources of protein.

When Are Protein Supplements Most Useful?

There are specific scenarios where protein supplements are especially beneficial:

  • Post-Workout Recovery: After exercise, your muscles are primed to absorb protein and begin the repair process. Whey protein, which digests quickly, is ideal for this window to support muscle recovery and growth.

  • Busy Days: On days when preparing a high-protein meal isn’t feasible, protein bars or RTD shakes are an efficient way to ensure you’re still meeting your protein needs.

  • Vegetarian or Vegan Diets: For those on plant-based diets, plant-based protein powders can help fill in the gaps left by plant-based foods that may not provide complete proteins on their own.

  • High-Protein Diets: If you're aiming for high protein intake, like 1.5–2.0 grams per kilogram of body weight, supplements can help you hit your targets without needing to consume large portions of food.

Conclusion: Finding Your Balance

Getting enough protein from food is absolutely achievable for most people. By focusing on high-protein foods like chicken, eggs, and legumes, you can easily meet your daily protein requirements. However, for those with higher protein needs, busy schedules, or dietary restrictions, protein supplements like powders, bars, and RTDs can make it easier to ensure you're hitting your goals.

Ultimately, a combination of whole foods and supplements will help you find the right balance to meet your protein needs and support your health and fitness goals. Whether you’re an athlete, busy professional, or someone simply aiming to live a healthier life, understanding how to get enough protein from food—and when to turn to supplements—can make all the difference.

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