In most cases, drinking a protein shake on an empty stomach won't do you any harm. In these cases, it's a good idea to take whey protein after training on an empty stomach. It's digested quickly, so it can work to repair and build new muscles soon after training. Some people believe that it is important to choose the right time for protein intake in relation to training to maximize muscle growth.
In other words, it's no big deal if you wait a few hours after working out to drink your shake, and more importantly, none of this says that the protein you eat has to be in the form of a whey protein shake. These findings refute the idea of a narrow anabolic window after exercise to maximize muscle response and, instead, support the theory that the protein intake interval can be as wide as several hours or perhaps longer after a workout, depending on when the pre-workout meal was consumed. Dose response of protein ingested from muscle protein synthesis and albumin after endurance exercise in young men. These results refute the widespread belief that the timing of protein intake during and around a training session is essential for muscle adaptation and indicate that consuming an adequate amount of protein in combination with resistance exercises is the key factor in maximizing muscle protein accumulation.
In this study, a protein-rich breakfast helped to lose weight by reducing food intake at subsequent meals. One of the reasons why some people may want to take whey protein powder on an empty stomach is that they are fasting intermittently. However, if you've been eating a lot of calories and protein throughout the day, it doesn't seem like you need to eat protein right before you work out. This means that pure whey protein isolate is less likely to cause digestive discomfort if you have trouble digesting lactose.
Compared to athletes who eat only carbohydrates after intense training, those who consume whey protein have a better recovery rate. I'm part of several online nutrition communities, and lately, I've had a few questions about whether or not it's good to drink whey protein on an empty stomach. Mix whey protein with water or milk (dairy or alternative) before you hit the gym early in the morning. If you exercise on an empty stomach, it seems that consuming some protein beforehand may help improve muscle retention and recovery.
In addition, taking whey protein before exercise prevents the body from going into a state where it uses muscles for energy. Eating a serving of whey protein powder is a convenient way to add 25 to 50 grams of protein in addition to your daily intake of those whole foods. Depending on the time between the last meal of the day and bedtime, this could mean taking whey protein on an empty stomach.