Whey protein, due to its ability to provide high-quality and rapidly assimilated proteins, has become an essential supplement in sports nutrition .
Whether you're looking to build muscle , speed up your recovery, or better manage your weight, knowing when to take whey is essential to maximize its benefits. But when is the best time to consume this protein powder ? This article guides you through the different key moments when whey can fit into your daily routine to maximize your results.
H2 What is whey protein?
Whey , or whey protein , is a protein derived from milk. It is obtained during the production of cheese, when the milk is curdled, and the liquid that remains is called whey. The latter is then filtered and dried to obtain the whey powder that athletes consume for its many benefits.
But what is whey used for? Whey is rich in essential amino acids , including BCAAs (branched-chain amino acids), which play a crucial role in muscle growth and recovery after exercise.
There are different types of whey available on the market:
- Whey Concentrate : Containing between 70 and 80% protein, whey concentrate also has carbohydrates and fats in small quantities. It is often preferred for its good quality-price ratio.
- Whey Isolate : Filtered to obtain a higher concentration of protein, around 90%, whey isolate contains very little fat and lactose, which makes it ideal for people sensitive to lactose.
- Hydrolyzed Whey : This form of hydrolyzed whey has been pre-digested, which facilitates its even faster absorption by the body, ideal for accelerated recovery after training.
- Clear Whey : Lighter and more digestible, clear whey is distinguished by a more liquid texture and is often chosen by those who prefer a more refreshing alternative to traditional whey.
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Whey Vegan : For those following a vegan diet, the whey vegan is a great alternative. While not derived from milk, this alternative uses high-quality plant-based protein sources to provide a complete amino acid profile, similar to traditional whey.
When to take whey?
Post-Workout: The Anabolic Window
Taking whey right after training is probably the most common. During physical effort, your muscles suffer micro-injuries and their repair requires a rapid supply of protein to start muscle protein synthesis . Whey isolate , due to its rapid absorption, is often considered the ideal choice for this key moment. It is in the 30 minutes following the end of the effort, a period called the " anabolic window ", that the body is most receptive to nutrients.
A dose of 20 to 30 g of whey after an intense workout helps maximize recovery and stimulate muscle growth by quickly providing the essential amino acids needed to rebuild muscle fibers. It also helps limit catabolism (muscle breakdown) that can occur after intense exercise.
Morning: Restart the metabolism
After a night of sleep, the body enters a fasting state where protein stores are depleted. Taking a whey shake upon waking helps to quickly stop the muscle catabolism that can occur during the night. This helps reestablish an anabolic environment conducive to muscle rebuilding.
A morning intake of whey concentrate or clear whey also helps to boost metabolism and provide an appetite suppressant effect, thus limiting morning cravings. This is an excellent option for people who do not always have the appetite for a big breakfast, but who still want to ensure a good protein intake from the start of the day.
Between meals: A protein snack
For athletes or bodybuilders with high protein needs , consuming whey between meals is a great strategy to maintain a consistent protein intake throughout the day. A high-protein snack helps support muscle protein synthesis and prevent catabolism. This is especially helpful for those looking to maintain or increase muscle mass .
A shake of whey isolate or clear whey can be taken as a mid-morning or mid-afternoon snack. These times are particularly effective for meeting protein needs when main meals alone are not enough to provide sufficient intake.
Before Bed: Preserve Muscle Mass Overnight
During sleep, your body enters an extended fasting phase. If you want to avoid muscle loss during this time, consuming slow-digesting proteins like casein is often recommended. However, for those who prefer whey , a small dose before bed can help preserve muscle mass by providing a quick protein boost before the body enters the resting phase.
This is especially beneficial for people who are dieting or cutting , as it helps preserve lean muscle mass while reducing body fat.
How many whey shakes per day?
The number of whey shakes you should consume per day depends on several factors, including your weight, goals, and protein needs. A person looking to increase muscle mass will need a daily protein intake of between 1.6 and 2.2 grams of protein per kilogram of body weight .
However, it is essential not to rely solely on whey to achieve this goal. The majority of your protein should come from a balanced diet that includes natural protein sources such as meat, fish, eggs, and plant proteins.
When it comes to how many whey shakes per day, we recommend consuming between one and two servings of whey per day. For example, one whey shake after training and another serving as a snack or before bed will cover protein needs without going overboard.
Which whey to choose according to your goals?
Your choice of whey will depend on your specific goals:
- Bulking: If you are looking to increase your muscle mass , whey protein concentrate is a great option because it also contains carbohydrates and fats that can contribute additional calories needed to support muscle growth .
- Muscle Definition: If you are in a cutting or muscle definition phase, whey isolate or hydrolyzed whey are the best choices. They contain little fat and carbohydrates while providing a high protein intake.
- Lactose Intolerance: If you are sensitive to lactose, whey isolate is a good choice as they contain very little to no lactose.
- Vegan Options: For those following a vegan diet, there are also alternatives like vegan whey , a protein derived from plant sources such as peas or rice.
Casein or Whey: What are the differences?
Whey and casein are both proteins derived from milk, but they differ in terms of absorption speed. Whey is quickly digested , making it an ideal choice for post-workout consumption, where a quick protein boost is needed. In contrast, casein is a slow-digesting protein, releasing amino acids over a longer period of time. It is therefore often consumed before bed to support overnight recovery.
So casein or whey? If your goal is to maximize recovery after an intense bodybuilding session, whey will be your best ally. However, if you are looking for a prolonged protein intake to avoid nighttime catabolism, casein is more suitable.
Precautions to take
Although whey protein is an extremely beneficial supplement for many athletes, it is important to use it in moderation and to respect the recommended doses to avoid any protein dangers.
Taking too much whey can cause digestive discomfort such as bloating, and in some cases, protein overload can put a strain on the kidneys. If you have a history of kidney problems, it is advisable to consult a nutritionist or doctor before starting regular protein supplementation.
Knowing when to take whey is essential to maximizing its benefits, whether you're looking to increase muscle mass, enhance recovery, or supplement your protein intake.
Consumed at key times of the day, whey can help you achieve your goals effectively. Whether you take it after training, when you wake up or as a snack, the important thing is to integrate it intelligently into your eating routine to get the best results.
Sources:
- Davies RW, Carson BP, Jakeman PM.
The Effect of Whey Protein Supplementation on the Temporal Recovery of Muscle Function Following Resistance Training: A Systematic Review and Meta-Analysis. Nutrients. 2018 Feb 16;10(2):221. doi:10.3390/nu10020221. PMID: 29462923. Free PMC article. : https://pubmed.ncbi.nlm.nih.gov/29462923/ - Nasimi N, Sohrabi Z, Nunes EA, et al.
Whey Protein Supplementation with or without Vitamin D on Sarcopenia-Related Measures: A Systematic Review and Meta-Analysis. Adv Nutr. 2023 Jul;14(4):762-773. doi: 10.1016/j.advnut.2023.05.011. PMID: 37196876. Free PMC article. : https://pubmed.ncbi.nlm.nih.gov/37196876/ -
Baba WN, McClements DJ, Maqsood S.
Whey protein -polyphenol conjugates and complexes: Production, characterization, and applications.
Food Chem. 2021 Dec 15;365:130455. doi: 10.1016/j.foodchem.2021.130455. PMID: 34237568 .: https://pubmed.ncbi.nlm.nih.gov/34237568/ -
Carter BG, Foegeding EA, Drake MA.
Invited review: Astringency in whey protein beverages.
J Dairy Sci. 2020 Jul;103(7):5793-5804. doi: 10.3168/jds.2020-18303. PMID: 32448585. Free article. : https://pubmed.ncbi.nlm.nih.gov/32448585/ - Castro LH, de Araújo FH, Olimpio MY, et al. Comparative Meta-Analysis of the Effect of Concentrated , Hydrolyzed , and Isolated Whey Protein Supplementation on Body Composition of Physical Activity Practitioners. Nutrients. 2019 Sep 2;11(9):2047. doi:10.3390/nu11092047. PMID: 31480653. Free PMC article. : https://pubmed.ncbi.nlm.nih.gov/31480653/
