What should I eat with a protein shake?

What should I eat with a protein shake? You don’t need to eat anything with a protein shake. Protein shakes work on their own, and what matters most is hitting your total protein target for the day, not what you eat at the exact same time.

The idea that you need to pair protein shakes with specific foods comes from outdated thinking about nutrient timing. Your body doesn’t care if protein comes from a shake, chicken breast, or eggs. It processes protein the same way regardless of the source.

Do protein shakes work better with carbs or fats?

Protein shakes work equally well with carbs, fats, or nothing at all. A study comparing low-carb and low-fat diets found no difference in fat loss when protein and calories stayed the same. Your body builds muscle and burns fat based on your total daily intake, not individual meal combinations.

That said, carbs and fats serve different purposes:

Carbs give you energy. If you cut carbs too early in a diet, your energy drops immediately. This makes workouts harder and daily life more exhausting.

Fats keep you full. Fat contains 9 calories per gram compared to 4 calories per gram for protein and carbs. A small amount of fat makes meals more satisfying and stops you from getting hungry an hour later.

For most people, including both carbs and fats throughout the day works best. Don’t overthink the exact ratio with each shake.

What should you eat before a protein shake?

Eat a combination of protein and carbs about 30 minutes to an hour before drinking a protein shake if you’re using it around workouts. The carbs provide energy for training, and the protein starts the muscle-building process early.

Good pre-workout options:

1. Banana and a handful of nuts
2. Oatmeal with berries
3. Rice cakes with peanut butter
4. Toast with eggs
5. Greek yogurt with fruit

The research shows that having protein and carbs before training helps you perform better and recover faster. A study on pre-workout nutrition found that people who ate carbs before exercise maintained higher intensity throughout their sessions.

If you’re drinking a protein shake at other times of the day, eat whatever fits your normal meal schedule. There’s no magic combination required.

What should you eat after a protein shake?

Eat a meal with at least 20 grams of protein within a few hours after your protein shake. If you’re drinking the shake post-workout, focus on getting protein higher than carbs in your next meal.

The best post-shake foods include:

1. Grilled chicken with vegetables
2. Steak and sweet potato
3. Fish with rice
4. Eggs and avocado toast
5. Turkey and quinoa

Your body uses protein for muscle recovery for up to 48 hours after training. Research from the Journal of Clinical Endocrinology shows that protein synthesis stays elevated for two days following resistance training. This means you don’t need to stress about eating immediately after your shake.

The total amount of protein you eat throughout the day matters more than precise timing. If you hit your daily protein target, your muscles get what they need.

How much protein do you actually need each day?

You need 0.8 to 1 gram of protein per pound of body weight per day. For a 200-pound person, that’s 160 to 200 grams daily. For metric users, multiply your weight in kilograms by 1.8 to get your target.

Protein does three important things for your body:

It builds muscle. When you lift weights, protein repairs the damaged muscle fibers and makes them bigger and stronger.

It burns calories. Your body uses 20 to 30 percent of protein’s calories just to digest it. If you eat 100 calories of protein, you only net 70 to 80 calories. This is way higher than carbs (5 to 10 percent) or fats (0 to 3 percent).

It keeps you full. Studies show that increasing protein intake naturally reduces hunger. People eating high-protein diets eat fewer total calories without trying.

A meta-analysis in the Journal of Nutrition found that people who increased protein from 15 percent to 30 percent of their diet lost more fat and kept more muscle compared to those eating less protein.

Does it matter when you drink protein shakes?

Timing matters less than you think. The old idea that you need protein within 30 minutes after working out (the “anabolic window”) has been debunked by recent research.

A 2013 study in the Journal of the International Society of Sports Nutrition found that total daily protein intake was far more important than timing. People who spread protein throughout the day built just as much muscle as those who tried to time it perfectly around workouts.

That said, drinking protein shakes at consistent times helps you hit your daily target. Many people drink shakes:

• Right after waking up (if they skip breakfast)
• Post-workout (for convenience)
• Between meals (to hit protein targets)
• Before bed (to prevent overnight muscle breakdown)

Pick times that work for your schedule and stick with them.

What are the best foods to combine with protein shakes?

The best foods to eat with protein shakes are whole foods that provide vitamins, minerals, and fiber that shakes don’t have. Protein shakes are convenient, but they shouldn’t replace real food.

Best carb sources:

1. Oats
2. Rice (white or brown)
3. Sweet potatoes
4. Fruit (bananas, berries, apples)
5. Quinoa

Best fat sources:

1. Nuts (almonds, cashews, walnuts)
2. Avocado
3. Olive oil
4. Nut butter
5. Seeds (chia, flax, pumpkin)

Best additional protein sources:

1. Eggs
2. Chicken breast
3. Greek yogurt
4. Cottage cheese
5. Lean beef

A 2018 study published in Diabetes Care found that people who ate mostly whole foods lost more fat and had better health markers than those eating the same calories from processed foods. Whole foods contain fiber and resistant starch that feed your gut bacteria and help you feel full longer.

Can you drink protein shakes on an empty stomach?

Yes, you can drink protein shakes on an empty stomach without any problems. Your body absorbs protein just fine whether your stomach is empty or full.

Some people worry that drinking protein shakes without food causes digestive issues. This happens to about 10 to 15 percent of people, usually because of lactose in whey protein. If you get bloated or gassy from protein shakes on an empty stomach, switch to:

• Whey isolate (lower lactose)
• Plant-based protein (no lactose)
• Egg white protein (no lactose)

Or simply eat something small with your shake. A piece of fruit or a handful of nuts solves the problem for most people.

Should you add anything to your protein shake?

Add carbs or fats directly to your protein shake if you need extra calories or want to make it more filling. This works well for people trying to gain weight or those who struggle to eat enough throughout the day.

Popular additions:

1. Banana (adds 100 calories, mostly carbs)
2. Peanut butter (adds 200 calories per 2 tablespoons, mostly fat)
3. Oats (adds 150 calories per half cup, mostly carbs)
4. Berries (adds 50 to 80 calories, mostly carbs)
5. Spinach (adds 5 calories, adds vitamins)

Researchers at the University of Pennsylvania found that people who added whole foods to their protein shakes felt fuller and ate less at their next meal compared to those who drank plain shakes.

Don’t go overboard with additions. A protein shake with 600 calories of peanut butter and bananas defeats the purpose if you’re trying to lose weight.

How many protein shakes should you drink per day?

Drink one to two protein shakes per day, and get the rest of your protein from whole foods. Protein shakes are supplements, not meal replacements.

Each protein shake typically contains 20 to 30 grams of protein. If you need 160 grams per day, you can get:

• 40 to 60 grams from two shakes
• 100 to 120 grams from three to four meals

This split gives you the convenience of shakes while making sure you get vitamins, minerals, and fiber from real food.

A study in the Journal of Clinical Endocrinology found that people who got most of their protein from whole foods had better overall health markers than those who relied heavily on supplements. Whole foods provide nutrients that protein powder doesn’t have.

What if you can’t afford expensive protein foods?

You can hit your protein targets on a budget by choosing cheaper protein sources and using protein powder strategically.

Cheapest protein sources per gram in Australia:

1. Eggs (AUD $0.15 per 10g protein)
2. Canned tuna (AUD $0.20 per 10g protein)
3. Whey protein powder (AUD $0.25 per 10g protein)
4. Chicken thighs (AUD $0.30 per 10g protein)
5. Ground beef (AUD $0.35 per 10g protein)

Buying protein powder in bulk (2kg or 5kg bags) brings the cost down significantly. A 5kg bag of whey protein costs about AUD $150 and provides 200 servings of 25 grams each. That’s AUD $0.75 per shake, which is cheaper than any fast food meal.

FAQ

Do I need to drink protein shakes at all?

No. You can get all your protein from whole foods. Protein shakes are just convenient when you’re busy or struggling to eat enough solid food.

Can I drink a protein shake instead of eating breakfast?

Yes, but add some fruit or oats to the shake so you’re not just drinking protein on its own. Your body performs better with a mix of nutrients.

Should I drink protein shakes on rest days?

Yes. Your muscles repair and grow on rest days just as much as training days. You need the same amount of protein every day, not just workout days.

What happens if I don’t eat enough protein with my shakes?

You’ll struggle to build muscle and might lose muscle while dieting. Protein is the one macronutrient you can’t shortcut.

Can I drink protein shakes before bed?

Yes. Research shows that protein before bed helps prevent muscle breakdown overnight and can improve recovery. Casein protein works especially well at night because it digests slowly.

Should I eat before or after drinking a protein shake?

Either works. The total protein you eat throughout the day matters more than the exact order of meals and shakes.

How long after a workout should I drink a protein shake?

Anywhere from immediately after to several hours later works fine. The “30-minute window” is a myth. Focus on hitting your daily protein target instead.

Optimising your nutrition around workouts maximises results. Discover what percentage of people can run a 5K for fitness motivation, and learn where the hardest place to lose fat is on your body. Find out what food adds 33 minutes to your life for additional dietary guidance.