Is Vin Diesel on Steroids or Natty? Proof & Facts Revealed

Benedict Ang, CPT, PN1-NC
Published by Benedict Ang, CPT, PN1-NC | Staff Writer & Senior Coach
Last updated: May 10, 2024
FACT CHECKED by James Cunningham, BSc, CPT
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Vin Diesel's physique has changed significantly between movies and has continued to bulk up over the years, leading many to believe he is on steroids.

Many of my clients and I are avid Fast Furious 6 fans, and we often discuss changes to Vin's physique.

Since he still has pretty big muscles at 54, we decided to review some of his earlier films and interviews, including his appearance on The Jay Leno Show in 2013.

This article will share the information we've compiled over a few weeks, so keep reading to determine whether his physical transformation was natural or the result of steroid use.

Does Vin Diesel Use Steroids?

Vin Diesel possibly doesn't use steroids because he shows no major signs of use, such as increased body hair growth, acne, and breast enlargement.


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A post shared by Vin Diesel (@vindiesel)

However, he shows some signs of using a particular performance enhancer, HGH (Human Growth Hormone), a hormone known to stimulate muscle growth by accelerating protein synthesis.

Furthermore, research published by the National Institutes of Health (NIH) shows that the combination of this hormone with steroids improves body composition and muscle performance in older men [1].

Diesel's possible use of HGH could help explain how he stayed in shape for his action-packed film roles, gradually increased in size, and maintained muscle definition throughout the years.

Why People Think Vin Diesel Uses Steroids

man showing abs and man showing his hairline

Vin Diesel's impressive weight gain and muscular definition led many to believe he uses steroids.

However, these signs are not limited to steroid users and can occur in anyone who uses other performance-enhancing drugs (PEDs).

Furthermore, our research indicates that Diesel has demonstrated several signs consistent with the use of human growth hormone, including steroid gut, excessive bloating, and enlarged nose.

Steroid Gut or Bubble Gut

According to research published by Healthline, the excessive use of HGH may cause enlargement of internal organs, resulting in a protruding gut or distended stomach in bodybuilders [2].

Diesel's recent topless photos reveal an unusually bulging stomach relative to his muscular chest, which may indicate he's using HGH in conjunction with an intense workout.

Unusual Nose Growth

nose view of a man

According to insights from the National Institutes of Health (NIH), HGH has been shown to stimulate bone formation and development; thereby, prolonged hormone exposure may promote further growth of soft bones and tissues in the nose or what others call “HGH nose” [3].

My team observed a big difference in Sylvester Stallone's nose following his arrest for possessing HGH vials.

Diesel's nose growth isn't as dramatic as Stallone's, but comparing old and new photos of him shows significant differences in nose size.

Hair Loss

Another physical sign that is associated with steroid use is hair loss. According to research published by the National Institutes of Health (NIH), steroids can cause noticeable hair loss and may even lead to baldness with prolonged use [4].

For most of his career, Vin Diesel has been bald, which may indicate he has used performance-enhancing drugs.

Vin Diesel's Body Transformation

portrait image of vin diesel

Vin Diesel's physique changed dramatically at 19, displaying not so huge, yet lean, well-defined muscle mass.

His old images reveal that he had a high genetic potential at a young age.

His first significant Hollywood role came in 1990 when he was cast in Steven Spielberg's Saving Private Ryan.

While establishing his career as a young actor at 23, he maintained his excellent form and avoided significant gains in muscles and overall weight.

As years passed, he became known for undergoing physical transformations between film projects such as The Chronicles of Riddick, XXX, The Fast & The Furious films, and Guardians of the Galaxy.

Between 2001 and 2021, he maintained a gradual but constant improvement in muscle size and definition while starring in the Fast and the Furious film series.

Diesel can be seen working hard in the gym in recent social media videos. As if he's aiming for a more muscular shape with big lean muscles like Arnold Schwarzenegger or Sylvester Stallone.

Current Stats

  • Age: 56 years (Born: July 18, 1967)
  • Height: 5 ft 11 (180 cm)
  • Weight: 225 lbs (102 kg)
  • Body Fat Percentage: 14 percent
  • Chest: 52 inches
  • Waist: 34 inches
  • Arms: 18 inches

Can Vin's Physique Be Achieved Naturally?

Vin's physique can be achieved naturally by anyone who continues to lift weights and consumes a proper diet and supplements since he has only gained muscle and weight gradually over thirty years of his career.

According to his social media posts, Vin Diesel has achieved significant muscle growth over the years due to his persistence in different training techniques and consuming high protein foods, adequate carbohydrates, and small amounts of fat.

 "I've had the best body in New York City for decades."

- Vin Diesel

So, if you want to bulk up like Vin, a steady exercise plan and a nutritious diet are a must.

However, if you use workout protein powders and bulking stacks that contain natural and legal steroid substances, you could get more energy, faster muscle recovery, and improved performance, all of which should help you achieve the physique you want significantly faster.

What Would It Take To Bulk Up Like Vin Diesel?

pills and dumbbells

It would take proper nutrition, supplementation, and consistent workout to bulk up like Vin Diesel.

Diet and Supplements

According to his social media profiles, Diesel eats high-fiber foods and complex carbohydrates such as oats and grains for breakfast. Also, he consumes chia seeds for protein and rye toast with almond butter for fat.

He prioritizes protein intake for his first lunch. He consumes tuna filets and turkey breasts to aid muscular gains and weight maintenance.

If he spends much time acting, weightlifting, or practicing martial arts, he prefers his second meal higher in carbs, such as sweet potato and chopped greens. He also drinks whey protein shakes.

Skinless chicken breasts or salmon filets are grilled for dinner and served with brown rice or quinoa. He consumes a lower amount of fat during this time of day to boost fat burning overnight.

Tough Training

A man working out in the gym with his instructor

While researching Diesel's social media posts, I discovered that his workout routine is based on the bodybuilding routines he has been performing since he was sixteen years old.

He performs supersets, or two exercises without rest, for his chest, triceps, back, legs, and shoulders during his workout.

He reinforces this routine with abdominal training when he has additional time.

His rep range is between 8 and 10 reps per workout, which is excellent for anyone trying to add muscles while maintaining an athletic appearance.

Based on our first-hand experience, while consuming a balanced diet and exercising daily is crucial, using multivitamins for men and bulking supplements as natural testosterone boosters can provide more energy, faster muscle recovery, and improved performance.

Was Vin Diesel Tested for Steroid Use?

Vin Diesel probably hasn't been tested for PED use because actors in Hollywood are not required to be drug tested.

Although many action film actors can indeed benefit from anabolic steroids because they may need to bulk up quickly, there are no drug testing guidelines for actors.

Furthermore, our research indicates that he didn't have a dramatic weight or massive muscular gain, nor get caught carrying or taking steroids.


Is Vin Diesel Open About His Steroid Use?

Vin Diesel is not open about his PED use, as it took him thirty seconds to directly answer the question if he had ever been tempted to use steroids during a 2013 Jay Leno interview.

Also, he appears uncomfortable during the interview and frequently switches the topic of the conversation.

Does Vin Diesel Have Health Issues Due to Steroids?

Vin Diesel does not have any health issues due to steroids.

Diesel, now 54, has not been reported to have any serious consequences of long-term use of steroids, such as ulcerative acne or kidney damage.


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About The Author

Benedict Ang, CPT, PN1-NC
Staff Writer & Senior Coach
Benedict Ang, CPT, PN1-NC is an ex-National Soccer player turned MMA and Kickboxing champion, with ACE CPT and PN1-NC certifications. His advice is rooted in education and experience, ensuring that readers receive scientific and battle-tested insights. His mission is to empower his clients and readers to realize their potential and become the best versions of themselves.
Learn more about our editorial policy
James Cunningham, BSc, CPT
Staff Writer & Senior Coach
James Cunningham, BSc, CPT holds a BSc degree in Sport & Exercise Science from University of Hertfordshire. He's a Health & Performance Coach from London that brings a unique blend of academic knowledge of health supplements and practical exercise experience to the table for his readers.
Learn more about our editorial policy

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