Is Thomas Delauer natural or on steroids?

  • By: Dave Moffat
  • Date: April 20, 2025

Thomas DeLauer is a widely recognized fitness influencer, author, and YouTube personality known for his remarkable body transformation. Once weighing over 280 pounds, he managed to shed over 100 pounds and achieve a shredded, muscular physique. 

His expertise in ketogenic dieting, intermittent fasting, and inflammation reduction has earned him a massive following, with over 2.6 million subscribers on YouTube. However, with such a dramatic transformation, many question whether his results are entirely natural or if steroids played a role.

In this article, we’ll examine the evidence on both sides to determine whether Thomas DeLauer’s physique is a product of hard work and science-based nutrition or if performance-enhancing drugs (PEDs) contributed to his transformation.

thomas delauer steroids

Who is Thomas DeLauer?

Background

Thomas DeLauer is a fitness coach, entrepreneur, and author who has built his brand around science-backed fitness advice. Initially overweight, he transformed his body through disciplined training and strict dietary protocols, particularly focusing on ketogenic nutrition and intermittent fasting.

Achievements

  • Established himself as a leading expert on low-carb diets, inflammation reduction, and optimal health.

  • Gained over 2.6 million subscribers on YouTube by producing educational content on fitness and nutrition.

  • Featured in major fitness publications and platforms, including Men’s Health and Bodybuilding.com.

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Why Do People Suspect Steroid Use?

Several factors have fueled speculation about whether Thomas DeLauer’s transformation is entirely natural:

  1. Exceptional Muscle Definition

    • At 5’10” and 215 pounds with an extremely lean physique, some claim his muscle definition and vascularity resemble that of enhanced bodybuilders.

  2. Rapid Transformation

    • Losing over 100 pounds while simultaneously building muscle in a relatively short time raises questions about whether he achieved his physique naturally.

  3. Social Media Speculation

    • The fitness industry has a history of influencers misleading followers about their use of performance-enhancing substances, leading skeptics to question DeLauer’s authenticity.


Evidence Supporting Natural Claims

Despite suspicions, there is substantial evidence suggesting that Thomas DeLauer has achieved his results naturally:

  1. Blood Test Results

    • DeLauer has publicly shared his blood work, showing normal testosterone and hormone levels, which contradict typical steroid usage indicators.

  2. Diet and Training Regimen

    • His disciplined approach to fitness, including a ketogenic diet and intermittent fasting, provides a solid foundation for sustainable fat loss and muscle gain.

  3. Transparency in Transformation

    • He has documented his entire journey publicly, showcasing gradual progress through lifestyle changes rather than drastic, overnight results.

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Counterarguments Suggesting Steroid Use

Critics argue that certain aspects of DeLauer’s physique and transformation timeline suggest potential steroid use:

  1. Physique Characteristics

    • His grainy muscle texture, extreme vascularity, and muscle fullness are often associated with enhanced athletes.

  2. Influencer Marketing Skepticism

    • Some believe fitness influencers may hide steroid use to maintain credibility while selling programs and supplements.

  3. Unrealistic Expectations

    • The combination of rapid fat loss and significant muscle gain is highly uncommon without some form of hormonal enhancement.


Thomas DeLauer’s Response to Steroid Allegations

Thomas DeLauer has consistently denied using steroids and has taken steps to reinforce his commitment to natural fitness:

  1. Public Denial

    • He has openly refuted claims of PED use, stating that his transformation was achieved through diet, exercise, and consistency.

  2. Educational Content

    • He focuses on sustainable, science-backed fitness methods rather than promoting shortcuts or potentially harmful substances. 

How to Achieve Results Like Thomas DeLauer Naturally

If DeLauer’s transformation is inspiring, here’s how you can achieve similar results naturally:

  1. Adopt a Ketogenic Diet

    • A high-fat, low-carb approach can promote fat loss and energy efficiency.

  2. Commit to Intermittent Fasting

    • Helps regulate insulin levels, improve metabolic health, and optimize body composition.

  3. Train Intensely but Sustainably

    • Focus on progressive overload, recovery, and consistency rather than extreme measures.


Legal and Ethical Considerations

  • The fitness industry needs transparency, especially from influencers, to set realistic expectations for their audiences.

  • Steroid use carries significant risks, including hormonal imbalances, cardiovascular issues, and liver damage.

  • Honesty about natural versus enhanced physiques ensures that people pursue fitness in a safe and sustainable manner.


Conclusion

While there is speculation regarding Thomas DeLauer’s transformation, there is no concrete evidence proving steroid use. His public blood work, documented fitness journey, and commitment to scientific training methods support the claim that he achieved his physique naturally. However, skepticism remains due to the rapid nature of his transformation and the general distrust within the fitness industry.

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Ultimately, whether natural or enhanced, the focus should be on sustainable fitness practices and long-term health rather than quick results. If you want to build a lean, muscular physique, following disciplined training, proper nutrition, and consistency is the surest way to success.

Dave Moffat

Hi, I'm Dave Moffat the founder and Chief Editor of steroidsourcetalk.com and certified International Personal Trainer and Certified Nutritionist. My passion has always been bodybuilding but with 15 years' experience in weight loss programs too, it's hard not to mention all that when you're working at your fitness level fullest (I hope). When Im not in the gym or spending time away from my family i often think about what advice would help others achieve theirs goals just like these inspired mine.