9 Signs You're Not Eating Enough Protein

9 Signs You're Not Eating Enough Protein

Medically reviewed by Jonathan Purtell, RDNGetty Images | HUIZENG HUProtein serves many vital roles, including forming muscles, bones, skin, hair, and nails, regulating the immune system, and aids brain functioning. As a result, protein deficiency may lead to many symptoms, such as brittle hair and nails, mood changes, muscle weakness, and getting sick more often.Jump to Key Takeaways.1. Feeling Unusually Tired or Lacking EnergyProtein is a cruc…