<p>Dr Trevor Kouritzin holds a doctorate in medicine and a master’s in human nutrition. Trevor works in supplement formulation and joins me to share his expertise in:</p><p><br></p><p>Is there a problem with quality across the supplement industry</p><p>How does third-party testing work</p><p>How are American and Canadian regulations different</p><p>What is “nitrogen spiking” in protein powder and is this still an issue</p><p>The problem with “proprietary blends” in supplements</p><p>Is counterfeiting supplements an issue and where does it occur most</p><p>What happens when omega-3 supplements oxidize and why it’s a problem</p><p>How you can choose better omega-3 sources and protect against oxidation</p><p>What supplements have evidence-based value for an everyday enthusiast</p><p>Why vitamin D and magnesium are important to pay attention to</p><p>What the evidence really says about collagen</p><p>The good and the bad about caffeine</p><p>And much more</p><p><br></p><p>Instagram: @trevorkouritzin</p><p><br></p><p><strong>CHAPTERS</strong></p><p><br></p><p>01:09 Supplement Quality Basics</p><p>02:03 Canada vs US Rules</p><p>04:45 Sponsor Break – MacrosFirst</p><p>05:54 Third-Party Certifications</p><p>08:00 Banned Substances Reality</p><p>10:02 Banned Stimulants And Gray Areas</p><p>12:35 Proprietary Blends Explained</p><p>14:22 Protein Nitrogen Spiking</p><p>18:53 Amazon Supplement Pitfalls</p><p>23:10 Sponsor Break – Just Bite Me Meals</p><p>24:16 Counterfeit Supplements Overseas</p><p>26:33 Protein Margins And Economics</p><p>27:16 Omega-3 Oxidation Teaser</p><p>27:57 Omega-3 Essentials</p><p>29:14 Fish Oil Storage</p><p>31:02 Spotting Quality Brands</p><p>32:27 Rancidity Smell Test</p><p>33:22 Core Supplements List</p><p>36:24 Vitamin D Nuances</p><p>38:51 How Products Get Made</p><p>41:51 Collagen Misconceptions</p><p>46:15 Athlete Electrolytes</p><p>49:49 Caffeine Tolerance Reset</p><p><br></p><p><strong>SUPPORT THE SHOW</strong></p><p><br></p><p>If this episode helped you make smarter decisions about supplements, you can support the show by:</p><p><br></p><p>• Subscribing and checking out more episodes</p><p>• Sharing it on social media (tag me — I’ll respond)</p><p>• Sending it to someone who uses supplements regularly</p><p><br></p><p><strong>FOLLOW ANDREW COATES</strong></p><p><br></p><p>Instagram: @andrewcoatesfitness</p><p>https://www.andrewcoatesfitness.com</p><p><br></p><p><strong>PARTNERS AND RESOURCES</strong></p><p><br></p><p>RP Strength App (use code COATESRP)</p><p>https://www.rpstrength.com/coates</p><p><br></p><p>Just Bite Me Meals (use code ANDREWCOATESFITNESS for 10% off)</p><p>https://justbitememeals.com</p><p><br></p><p>MacrosFirst – FREE Premium Trial</p><p>Download MacrosFirst and during setup select: ANDREW</p><p><br></p><p>KNKG Bags (15% off)</p><p>https://www.knkg.com/Andrew59676</p><p><br></p><p>Versa Gripps</p><p>https://www.versagripps.com/andrewcoates</p><p><br></p><p>TRAINHEROIC – FREE 90-Day Trial</p><p>https://www.trainheroic.com/liftfree</p><p><br></p><p>Reply to the email you receive (or email [email protected]</p><p>) and let them know Andrew sent you</p>