Consuming a protein coffee before a morning workout signals to the hypothalamus that energy is available, thereby avoiding the stress of a fasted workout without causing digestive heaviness.

noli's read

The combined intake of caffeine and protein before exercise is a robust strategy for optimizing performance and stimulating muscle recovery, validated by numerous meta-analyses, notably from the International Society of Sports Nutrition (ISSN). The concept of training with an energy intake rather than in a fasted state to protect hormonal balance in women is based on research and expert opinion from physiologist Dr. Stacy Sims. According to her, the kisspeptin neurons in the hypothalamus are highly sensitive to energy deficiency, which can stimulate the production of cortisol (the stress hormone) and hinder vitality during fasted exercise. Nevertheless, the assertion that a simple protein coffee instantly signals to the hypothalamus that energy is arriving to block this stress is a conceptual simplification (expert opinion). In reality, this cerebral detection system reacts in a more global manner and remains primarily highly sensitive to carbohydrate availability, rather than just isolated proteins. Practically, this mixture remains an excellent, convenient, and digestible habit for maximizing morning energy without digestive discomfort.

the sources

1. 1Hackett D, Hagstrom AD 2017
2. 2Vieira AF, Costa RR, Macedo RCO, Coconcelli L, Kruel LFM 2016