The Unf*ck Your Fitness Podcast

239. Creatine, Aminos, and Why Muscle Matters More Than Ever with Liz Plosser

Kristy Castillo

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0:00 | 57:36

In this episode, I’m joined by Liz Plosser to talk about essential amino acids, creatine, protein, aging, and why muscle matters so much for women. We break down the difference between protein powder, creatine, and EAAs, talk about why recovery and muscle preservation become even more important as we age, and get into the bigger picture of supporting your body well in every season.


This conversation is educational, but also really empowering. We talk about the pivot that happens as women get older, why your body may need different support than it used to, and why that does not mean you are broken. It means it is time to get smarter about how you train, recover, and fuel.


Liz shares why women need to care about more than just hitting a protein number, especially as they get older. We talk through how EAAs, creatine, and protein powder all play different roles, why muscle preservation becomes even more important in midlife, and how these tools can support recovery, energy, and long-term health. 


We also touch on GLP-1s, under-eating, lean muscle loss, and why strength training needs to be part of the conversation. 


In this episode, we cover:

  • protein, aging, and why women may need more support over time
  • essential amino acids vs. creatine vs. protein powder
  • how EAAs help support muscle protein synthesis and recovery
  • why creatine is beneficial for women at every stage
  • why supplements like these can help fill the gaps
  • the importance of protecting lean muscle mass
  • what women should know about GLP-1s and muscle loss
  • why strength training is a non-negotiable for healthy aging


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