Did Chris Hemsworth Take Steroids for Thor?

Didst Chris Hemsworth taketh steroids to playeth the mighty Thor? Or was thy gains of a natural kind?!

Don’t worry this whole article won’t be written in Shakespearean…but the idea did cross my mind.

So did Hemsworth use steroids to bulk up for the role of this Asgardian God?

The general consensus is yes. And the reasoning for this is…

“He’s got to be on steroids, he’s jacked!”

However, this type of opinion holds no weight and lacks credibility.

Looking at how big someone is and saying they must be on steroids is naive, because building muscle comes down to a person’s genetics, which is individualized.

Everyone has different limits for building muscle.

One guy who’s lifted weights for 20 years might be dwarfed by a genetically gifted 14 year old, who’s not even finished going through puberty yet…

People forget that bodybuilding is a sport where success is largely determined by genetics, rather than hard work. Working your ass off and eating clean only gets you so far in this sport unfortunately.

Hard work will allow you to fulfil your genetic potential but it won’t turn weak genetics into exceptional ones.

So is Hemsworth natty or has the ex-Home and Away actor been juicing? (Not the fruit kind).

Here’s my findings…

Chris Hemsworth Before Thor

Chris Hemsworth gained 20lbs of muscle in preparation for Thor (2011).

The most reliable way of detecting if someone’s taken steroids is looking at their body composition over several years.

Natural guys will build a significant amount of muscle when they first start lifting weights; these gains will come in the space of a few months. However, from that point they’ll plateau (staying the same size).

So if a guy’s been lifting weights for several years and reaches a plateau…then suddenly blows up and gets huge, it’s obvious they’re taking steroids.

Lets take a look at what Chris looked like in Ca$h (Chris’ last film before Thor)…

chris hemsworth cash film

The time difference between these Ca$h and Thor was 1 year.

From this picture we can see that Chris looks pretty muscular already, albeit not AS jacked as he was in Thor.

IF Chris had been lifting weights during the filming of Ca$h, he’s almost certainly used steroids to pack on even more size/mass.

Because gaining 20lbs of muscle for a non-newbie is unheard of (without using steroids).

Chris Hemsworth: God-Like Genetics?

In an interview with Men’s Health Chris said the following:

“It wasn’t until Thor that I started lifting weights. It was all pretty new to me” (1).

Holy shit.

This means he was jacked before he even set foot in a gym…

It makes sense that his gains from Ca$h to Thor are natural because he’s only gained 20lbs of muscle.

Experts agree that this is the average amount of lean muscle built when a newbie starts lifting weights (2).

However, steroid-users typically gain 30-50lbs in the first 3 months (3).

Here’s another comparison picture when he was in Home and Away (2007-2011).

chris hemsworth transformation

He hasn’t exactly doubled in size since this time. Yes he’s added some muscle, but this is far from a typical steroid transformation.

I’ve seen some before/after pictures of Chris online, which aren’t to scale and he’s in different positions. These can create an illusion that someone’s gained 100lbs of muscle.

However, the comparison photo above is to scale, with him being in the exact same front, relaxed position.

Bobby Hanton, Chris Hemsworth’s close friend and stunt double, also said:

“Chris is naturally a monster and all he has to do is look at weights and he grows” (4).

All these comments and evidence point to the mighty one being natty.

Is Chris Hemsworth on Steroids?

We have found no evidence to suggest Chris Hemsworth is on steroids. In fact, all of the evidence points to him being natural. 

chris hemsworth body

Before doing hours of research for this article I would’ve guessed Chris Hemsworth is juicing.

In a matter of months he got BIG. And by big I mean even by natural bodybuilder’s standards.

But it’s clear now that his transformation was the result of newbie gains.

Before picking up Mjolnir, Chris was an absolute stranger to bodybuilding and lifting weights.

…but he was already jacked!

Also if he’d taken steroids, he wouldn’t have gained 20lbs of muscle…he would’ve added 30-50lbs and got even more swole.

Also Chris’ muscle mass hasn’t increased much since his young Home and Away days; so if you DO think he was juicing for Thor, you’d also have to say he was also taking steroids during this programme (which is very unlikely).

It seems like Chris Hemsworth was simply destined to play Thor…

In fiction, Chris is a god.

In reality, he’s got been blessed with genetics by GOD.


(1) http://www.menshealth.co.uk/living/men/chris-hemsworth-interview

(2) http://www.livestrong.com/article/412614-the-average-muscle-gain-per-month/

(3) http://www.timinvermont.com/fitness/test1.htm

(4) http://www.dailymail.co.uk/tvshowbiz/article-3586061/Chris-Hemsworth-s-stunt-double-eats-35-meals-day-trains-18-hours-week-match-Thor-s-monster-physique.html

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Ernst Peibst

Ernst Peibst has spent over 3,000 hours researching anabolic steroids and PED's. He's also dedicated the last 7 years educating people about their effects, with hundreds of thousands of people reading his articles. He's studied countless science papers, read several expert books and has consulted some of the finest doctors in the world - on the topic of steroids.

1 Response

  1. Ernst you have become my mortal enemy these articles are extremely poorly done and trigger reactions from my beta alinine infused testicles i hate you with all my might Ernst you are a fool chris is clearly not natty are you blind Ernst Ernst do you have eyes search for any pic and see how big he is and how lean he is not possible to maintain year round at that size and body fat percentage ernst you fool i wish you and your lineage nothing but despair curse you and your seventh grandson

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