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Episode 456: Why Half Your Supplements Are Probably Useless (And Which 4 Actually Matter) by Jen Cohen and Habit Nest

Episode 456: Why Half Your Supplements Are Probably Useless (And Which 4 Actually Matter)

from Habits and Hustle

by Jen Cohen and Habit Nest

Published: Fri Jun 06 2025

Show Notes

Are you throwing money away on supplements that do nothing? In this Fitness Friday episode on the Habits and Hustle podcast, Liron Kayvan and I break down the supplement industry's biggest myths and reveal which ones are actually worth taking.

We discuss why most supplements are unregulated snake oil, the importance of third-party testing, and how to cycle supplements so your body doesn't become desensitized. Plus, we share our personal supplement protocols and explain why getting blood work is non-negotiable before starting any regimen.

Liron Kayvan founded BFLA in 2019.He’s a NASM Certified Group Fitness Instructor, Personal Trainer, and Transformative Life Coach. Liron has competed in Amateur MMA, Brazilian Jiu Jitsu, and Rugby and has been a Fitness Coach for over 10 years.

What we discuss:

  • Why supplements should be the smallest part of your health pyramid

  • The lack of FDA regulation in the supplement industry

  • Essential supplements: creatine, omega-3, vitamin D with K2, magnesium

  • Why creatine isn't just for bodybuilders (new Alzheimer's research)

  • The importance of third-party testing and NSF certification

  • How to cycle supplements to prevent tolerance

  • Why you need blood work before and after supplementation

  • NAD and alpha-GPC for brain health

  • Working with your natural patterns vs. fighting them

  • The difference between giving energy vs. getting energy from exercise

Thank you to our sponsor:

Momentous: Shop this link and use code Jen for 20% off

Therasage: Head over to therasage.com and use code Be Bold for 15% off

TruNiagen: Head over to truniagen.com and use code HUSTLE20 to get $20 off any purchase over $100.

Magic Mind: Head over to www.magicmind.com/jen and use code Jen at checkout.

Bio.me: Link to daily prebiotic fiber here, code Jennifer20 for 20% off.

David: Buy 4, get the 5th free at davidprotein.com/habitsandhustle.


Find more about Liron Kayvan:

Website: https://www.beyondfitnessla.com/

Instagram: @beyondfitnessla

Find more from Jen:

Website: https://www.jennifercohen.com/

Instagram: @therealjencohen

Books: https://www.jennifercohen.com/books

Speaking: https://www.jennifercohen.com/speaking-engagements


Episode 456: Why Half Your Supplements Are Probably Useless (And Which 4 Actually Matter) | Podcst