68 | Soy And The Estrogen Fear That Won’t Go Away episode artwork

EPISODE · Apr 13, 2026 · 35 MIN

68 | Soy And The Estrogen Fear That Won’t Go Away

from How to: Fitness · host Michael Ulloa and Kate Lyman

Send us Fan MailIs soy really bad for your hormones or have we been getting it wrong this whole time?In this episode, Michael shared what soy actually is, whether it’s a complete protein, how it compares to whey for muscle building and the biggest myths around soy like estrogen, testosterone and cancer. We also found out where the fear around soy came from and why it’s still so common today. This episode is for anyone who’s ever questioned soy, avoided it or just felt confused by all the mixed messages online.🎗️ Timestamps:00:00 Introduction: Why Soy Is One Of The Most Misunderstood Foods05:10 What This Episode Covers & Why Soy Became So Controversial08:35 What Is Soy? Understanding Where It Comes From & How It’s Used11:45 Is Soy A Complete Protein And How It Compares To Whey For Muscle Building16:43 Soy Myths Debunked: Estrogen, Testosterone, Hormones & Cancer Risks24:31 The “Soy Boy” Narrative: Where It Came From & Why It Stuck28:22 Are There Any Downsides To Soy? What To Be Aware Of29:47 The Environmental Impact Of Soy Production Explained34:26 Final Thoughts: Should You Eat Soy Or Not📒Resources Mentioned:📃 Effect of Soy Isoflavones on Measures of Estrogenicity: A Systematic Review and Meta-Analysis of Randomized Controlled Trials📃 Neither soy nor isoflavone intake affects male reproductive hormones: An expanded and updated meta-analysis of clinical studies📃 Soy and Isoflavone Consumption and Multiple Health Outcomes: Umbrella Review of Systematic Reviews and Meta-Analyses of Observational Studies and Randomized Trials in Humans📃 Soya products and serum lipids: a meta-analysis of randomised controlled trials📃 An unusual case of gynecomastia associated with soy product consumption💛 STAY CONNECTED Don’t forget to subscribe to our podcast so you never miss an episode.🟡 Questions & SuggestionsWe love hearing from you, if you have a question, a topic idea, or feedback on an episode, just click here🟡 How to: FitnessInstagram: @howtofitnesspod🟡 Michael Ulloa Website: michaelulloa.com Instagram: @michaelulloapt🟡 Kate Lyman Website: katelymannutrition.com Instagram:  @klnutritionThank you for listening to the How to: Fitness Podcast with Michael Ulloa and Kate Lyman!

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Send us Fan Mail Is soy really bad for your hormones or have we been getting it wrong this whole time? In this episode, Michael shared what soy actually is, whether it’s a complete protein, how it compares to whey for muscle building and the biggest myths around soy like estrogen, testosterone and cancer. We also found out where the fear around soy came from and why it’s still so common today. This episode is for anyone who’s ever questioned soy, avoided it or just felt confused by all the mi...

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68 | Soy And The Estrogen Fear That Won’t Go Away

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