Can I drink a protein shake before bed?

Author: Ms. Lorine Adams DDS  |  Last update: Sunday, June 15, 2025

The timing of your protein intake can influence its effectiveness. It is generally recommended to consume a protein shake about 30 minutes to an hour before going to bed. This allows enough time for digestion and ensures that the amino acids from the protein are available throughout the night.

Is it good to drink protein shake before bed?

Research suggests that individuals, particularly older adults, may benefit from consuming a protein supplement like a protein shake before bed. This timing allows for effective digestion and absorption, aiding in the maintenance of healthy muscle mass.

Is it good to have a protein shake overnight?

Prepared Protein Shakes: If you've mixed a protein shake with water or milk, it's best to consume it within 2 hours if kept at room temperature. If refrigerated, it can stay effective for up to 24 hours.

How much protein is good before bedtime?

According to a study published in the Journal of the International Society of Sports Nutrition, consuming roughly 30 to 40 grams of protein before bed provides an increase in overnight muscle protein synthesis and metabolic rate.

Is it okay to drink a protein shake without working out?

  • Yes, you can take protein powder without doing any physical activity.
  • You can drink whey protein whether you are working out since it is just a food supplement.
  • However, it would be best to have many factors in mind before consuming it.

Protein Before Bed - Not Bro Science? New Study!

What happens if you eat a lot of protein but don't exercise?

You can't build muscle without the exercise to go with it. The body can't store protein, so once its needs are met, any extra protein is used for energy or stored as fat. Excess calories from any source will be stored as fat in the body.

Are protein shakes good for weight loss?

Replacing meals with protein shakes may help you lower your daily calories, which can help you lose weight. But in time you'll need to start eating solid food again. Eating solid food may cause excess weight to return if you don't make smart food choices.

Can you digest protein in your sleep?

The present study extends this prior work by showing that protein ingested before sleep is properly digested and absorbed during subsequent overnight sleep, with postprandial plasma amino acid availability being similar to nasogastric tube feeding during sleep.

What is the best protein to drink at night?

If you've just finished your workout in the evening, whey might be the best choice for quick recovery; if it's a rest day or you just want a bedtime protein dose, casein may be a better fit due to its slow digestion.

Is a protein shake a meal replacement?

A protein shake is not a meal replacement, it is to be consumed as an addition to a healthy balanced diet consisting of full meals. Protein shakes also make a convenient tasty snack in between meals for those looking to increase their daily protein intake and improve muscle mass.

How long does a protein shake stay in your system?

After consuming protein, the amino acids enter your bloodstream and can remain in circulation for up to six to seven hours. However, the actual digestion and absorption process typically takes much less time, with most of the amino acids being absorbed in the first two hours after consumption.

Is it better to drink protein shakes before or after dinner?

Make sure that you do not consume protein shakes close to a meal. Similarly, do not consume protein shake hours before or hours after a workout. Usually, the consumption of protein shake within 30-40 minutes of a workout is ideal.

Is it OK to make protein shake the night before?

Some advice states that once you've made a shake, you can store it in the fridge for up to 24 hours, but that if you're not going to be able to keep a premade shake cool, then it's best to keep the liquid and powder components separate until you're ready to make it up and drink it straight away.

Can I drink a protein shake on an empty stomach?

Can you drink a shake on an empty stomach? In most cases, drinking a protein shake on an empty stomach won't cause you any harm. “If it's a tough workout, try hydrating with water during the workout first and then drink the protein shake after,” says Patton.

Why do I feel sleepy after a protein shake?

When you eat protein, your body breaks it down into these tiny building blocks. But here's the catch: consuming too much protein at once can cause a blood sugar spike, leaving you feeling sluggish and, well, sleepy.

What is the slowest digesting protein?

Casein protein, found in milk, is characterized by its slow digestion and absorption. Recently, several studies have been conducted with a focus on how pre-sleep casein protein intake could affect post-exercise recovery but our knowledge of the subject remains limited.

Can I drink protein at night to lose weight?

Whether your aim is to lose weight or gain it, drinking a protein shake before bed can be an effective strategy when done right. The key is to use this practice as part of a comprehensive approach to health and fitness that includes a balanced diet, regular physical activity, and proper sleep.

How much protein should I have before bed?

The recommended pre-sleep protein intake is 20-40 grams. Ideal sources include: Slow-digesting proteins like casein. Carbohydrates for recovery.

What happens when protein sits in your gut?

Proteins that aren't fully digested in the small intestine pass into the large intestine and are eventually excreted in the feces. Recall from the last page that plant-based proteins are a bit less digestible than animal proteins, because some proteins are bound in plant cell walls.

What happens if you eat protein without working out?

Scarfing down protein without working out might help you maintain some of your baseline muscle mass—but it won't help you build more. Without the stress of exercise, nothing's signaling to the body that it needs to build more robust muscles, Jones explains.

What are the side effects of taking protein powder?

Excess intake of these proteins can also cause increased bowel movements, bloating, and even nausea. Other side effects include flatulence and diarrhea. If taken in excess quantities, protein supplements can cause you to gain weight. And by weight, we mean fat.

Does protein burn fat without exercise?

Research published in the British Journal of Nutrition concluded that adequate protein intake can support healthy weight loss without exercise through various mechanisms: Satiety: Protein-rich foods tend to be more filling, which can help control appetite and reduce overall calorie intake.

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