Protein shakes instead of meals every so often are fine, but long-term use as a meal replacement can affect appetite and may lead to nutrient deficiencies.

For some people, taking protein powder may lead to digestive symptoms such as indigestion, nausea, or stomach pain. 13 Responses can vary depending on the type of protein, individual digestive ...

Stop wasting calories on low-impact fuel. Learn how to strategically select the most protein-dense whole foods to torch fat, ...