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A High-Protein Diet Plan to Lose Weight and Improve Health – Healthline

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Protein is an important macronutrient for good health.

According to the Dietary Guidelines for Americans 2020–2025, adult males should get at least 56 grams (g) of protein and adult females at least 46 g daily.

However, some research suggests that eating more than this amount may help you lose body weight and fat while retaining or even building muscle mass.

Keep reading to learn more about protein’s role in weight loss and how to eat a high protein diet.

Protein is one of the three macronutrients, along with carbs and fat. It plays a key role in the formation, maintenance, and structure of your organs and tissues.

Protein has many important bodily functions, such as:

Protein is made up of a chain that contains 20 smaller units called amino acids. Of these, nine are considered essential amino acids. They must be consumed in food because your body can’t make them.

Increasing your protein intake may help promote weight loss in many different ways.

Appetite and fullness

Protein increases the production of hormones like PYY and GLP-1, both of which help you feel full and satisfied. A 2020 review also found that protein reduces levels of ghrelin, known as the “hunger hormone.”

These effects of a high protein intake could lead to a natural reduction in food intake.

Metabolic rate

A 2018 review found that higher protein intake may boost your basal (BMR) and resting (RMM) metabolic rates. This can help you burn more calories for several hours after eating, as well as during your sleep.

Protein may also increase how much energy your body uses to absorb, metabolize, and store food. This is called the thermic effect of food (TEF). The TEF for protein is 20–30%, meaning that 20–30% of the calories found in protein are used simply to digest it. Meanwhile, the TEF for carbs and fat is 5–10% and 0–3%, respectively.

Body composition

Protein’s ability to suppress appetite, promote fullness, and increase your metabolism can help you lose weight.

A 2020 review found that increasing protein intake promotes weight and fat loss while retaining muscle mass. The authors also note that high protein intake has long-term weight loss benefits and could help prevent weight regain.

Typically, when you reduce your calorie intake, your metabolism slows down. This is partly due to muscle loss. However, a higher protein intake can help protect against muscle loss and keep your metabolic rate up.

Other beneficial effects of protein

In addition to its effects on weight management, protein may also help:

The amount of protein you need every day depends on several factors, such as your age and sex. The exact amount is also somewhat controversial.

The Recommended Dietary Allowance (RDA) of protein is 0.8 g per kilogram of body weight (g/kg/bw), or 0.36 g per pound of body weight (g/lbs/bw).

However, the authors of a 2019 review suggest that this number is often misinterpreted as the ideal number. It’s only the minimum amount of protein required to prevent nutrient deficiencies and muscle loss in most healthy individuals.

Research suggests that eating more protein than the RDA may promote weight loss and overall health. For example:

  • A 2017 study found that participants who ate a high protein diet of 1.34 g/kg/bw (0.6 g/lbs/bw) for more than 75% of the 6-month duration experienced significantly more weight loss than the group who followed the RDA requirements.
  • A 2016 review found that eating up to 2 g/kg/bw (0.9 g/lbs/bw) may help promote strength and prevent muscle degeneration.
  • A 2015 study found that females ages 65 years and older require 1.3 g/kg/bw (0.6 g/lbs/bw) of protein to help prevent age-related muscle loss.
  • A 2015 review found that eating up to 1.6 g/kg/bw (0.7 g/lbs/bw) per day can help promote weight loss, reduce body fat, and maintain muscle mass.

Consuming protein beyond 2 g/kg/bw (0.9 g/lbs/bw) may not provide additional benefits. A 2013 study found that participants who consumed 1.6 g/kg/bw (0.7 g/lbs/bw) lost slightly more fat and had similar gains in muscle compared to the group that consumed 2.4 g/kg/bw (1.1 g/lbs/bw).

A high protein diet for weight loss and overall health should provide about 1.2–2 g/kg/bw, or 0.6–0.9 g/lbs/bw.

So, if you weigh 68 kg (150 lbs), this provides 82–136 g of protein daily.

Speak with a healthcare professional or registered dietician if you want to lose weight and are unsure about how many calories and grams of protein you should be eating. They can develop a nutrition plan that’s right for you.

Here’s a sample menu that provides about 100 g of protein per day. You can adjust the portions to meet your needs.

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

  • Breakfast: Frittata made with 3 eggs, 1 oz cheese, and 1/2 cup diced potatoes.
  • Lunch: Leftover chicken meatballs with marinara sauce and spaghetti squash with an apple.
  • Dinner: Fajitas with 3 oz (85 g) shrimp, grilled onions, bell peppers, guacamole, and 1/2 cup black beans on a corn tortilla.

Sunday

  • Breakfast: Protein pumpkin pancakes topped with 1/4 cup chopped pecans.
  • Lunch: 1 cup plain Greek yogurt mixed with 1/4 cup chopped mixed nuts and pineapple.
  • Dinner: 6 oz (170 g) grilled salmon, with potatoes and sautéed spinach.

Some high protein snacks can also help you boost your protein intake and promote weight loss.

A high protein diet can be customized according to your food preferences and health-related goals. For instance, you can follow a:

Here are a few basic guidelines to help you follow a high protein diet:

High protein diets are generally safe and healthy for most people.

For example, a 2019 review found that contrary to popular belief, high protein intake above the RDA doesn’t cause kidney problems in people with normal kidney function.

That said, you may need to eat a low protein diet to preserve kidney function if you’ve received a diagnosis of moderate to advanced kidney disease.

A 2022 review also found that nondairy animal protein, total meat and meat products, and processed meat were linked with a higher risk of kidney stones. However, dairy protein was associated with a lower risk of kidney stones.

Speak with a healthcare professional or registered dietitian about how much protein you should consume each day if you have kidney disease.

What do you eat in a high protein diet?

It’s important to consider a wide range of protein sources. This may include animal and plant-based foods, including:

Can you lose weight by eating high protein foods?

Eating high protein foods could help you lose weight because protein may keep you satiated for longer and boost your metabolism.

What foods are highest in protein?

Some foods that are high in protein include:

  • poultry, such as chicken and turkey breast
  • egg whites
  • seafood, such as shrimp, tuna, and halibut

Protein is an important nutrient.

A higher protein intake is linked to beneficial effects on appetite, weight, body composition, aging, and overall health.

To reap maximum benefits from a high protein diet, spread your protein intake throughout the day, choose high-quality sources, and balance your intake with healthy fats and carbs.

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