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"“BUILD A CLASSIC, HEALTHY PHYSIQUE WITH SCIENCE-BACKED GOLDEN ERA TRAINING: UNITING OLD SCHOOL BODYBUILDING TECHNIQUES WITH CUTTING-EDGE MEDICAL SCIENCE FOR OPTIMAL HEALTH AND FITNESS"
“Guided by Dr. Juan Carlos Cassano—PhD Biochemist, Medical Researcher & First‐Call Coach to Legends”

Want to build the ultimate classic physique using modern science and the forgotten methods of the legends? Discover how to train smarter, get stronger, and sculpt your body—without the confusion of modern misinformation.

Why Work With Me?

  • ✅ Clinical Precision – Personalized blood & urine analysis

  • ✅ Science Meets History – PhD + expert in Golden Era physique craft

  • ✅ Full Support – Video form feedback, unlimited messaging, supplement formulation

  • ✅ Documented Results – Physical transformations + medical optimization

Book Your Free Action Call

Includes personalized clinical review of blood & urine markers + Bronze/Silver/Golden Era eBook (USD 100 value).

You won’t just be working with any coach—you’ll be guided by one of the world’s foremost bodybuilding historians, a PhD Biochemist, and a fitness professional with over 25 years of medical and coaching experience. This is complete, premium science-based coaching—under one roof.

Coaching Tiers and Service

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Plans start at 1,500 CHF and are tailored to your physiology and goals. 
Book a free clinical call to find your best fit.

☎️ Standalone Phone Consults also available and start at 100 CHF per 30-minute call, depending on topic depth

  • Clinical report interpretation

  • Supplement/nutrition troubleshooting

  • Fitness programming audits

  • Historical bodybuilding methodologies

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Meet Dr Juan Carlos Cassano (Hollistic Health & Fitness Coach for 25+ Years)

 

"Drawing from decades of expertise in medical science and my deep dive into the rich history of physical culture, I've triumphed over personal challenges to emerge stronger. Now, fueled by this journey, I'm passionate about empowering others to achieve their health and fitness aspirations."

I created Golden Era Bookworm to teach the world the power of applying the knowledge of the pioneers of fitness and nutrition combined with modern medical scientific research for a highly personalized approach to coaching.

 

 

ABOUT THE FOUNDER

 

Dr Juan Carlos Cassano has decades of Academic study and research in the different Medical Sciences and into the History of Physical Culture and has resulted in:

 

Masters of Medical Science and BioMedical Science, a PhD in Biochemistry and Certified Clinical Laboratory Medicine.

 

+25 years of lecturing in Universities and Scientific Institutes in the US, Europe and Australia.

 

Being recognized as an authority in the History of Bodybuilding, Archival Researcher for the “Arnold” Netflix Series and an author for several bodybuilding and fitness websites. He is also the host of the Mr America Bodybuilding Competition.

Crafting cutting-edge supplement formulations for leading supplement companies such as NSP Nutrition, Old School Labs and NutriEst.

Helping people from all walks of life to create TRUE change in their lives and achieve their best health, fitness and mental wellbeing.

What You Get?

  • ✅ Detailed analysis of clinical blood and urine markers

  • ✅ Expertise in supplement formulation with biochemistry-backed advice

  • ✅ Access to a bodybuilding historian's perspective and golden era methodology

  • ✅ High-level personalized programming rooted in science, not trends

  • ✅ Optional phone consultations to provide real-time, expert support

Book Your Free Action Call Now

All training and nutrition programs are customised!
If you want to get started, click the link for a FREE Consultation:

TESTIMONIALS

Don’t just take my word for it—hear what real clients have to say about their transformation journeys. Real Results. Real People. Scroll down and see how Golden Era methods are changing lives.

Alex - Lost 30 lb Fat & Gained 15 lb of Muscle

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Jiyaad - Lost 60 lb of Fat & Gained 10 lb of Muscle in 3 Months 

Vincent - Gained a TON of Muscle & got rid of his Diabetes

Frank - 50 lb of Fat Loss & 10 lb of Muscle Gain in 12 Weeks

Obsa - Rib Cage Expansion & Gained a TON of Muscle in 12 Months

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Hazen - From Skinny Fat to Steve Reeves Like Aesthetics

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Sulaiman - Gained 13 lb of Muscle & Lost Fat in 4 Months

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Matt - Lost 30 lb of Fat & Gained 8 lb of Muscle in 4 Months

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Jukka - Gained 8 lb of Muscle using The Light Dumbbell System

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David - Gained 20 lb of Muscle, Crippling Back Pain Gone

Aris - Gained Strength

Paul - Regained Health & Vitality

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Gordej - Regained Health & Vitality

Drew - 22 lb Fat Loss

With me, you're not getting guesswork. You're getting a premium service, with 25+ years of clinical, scientific, and bodybuilding wisdom tailored to help you finally achieve the physique you've always wanted. This includes the following:

  • 🔬 Personalized Lab Examination – personalised analysis of your blood and urine results.

  • 📚 Golden Era Masterclass – Hosted weekly, a live Q&A on vintage training methods.

  • 🎥 Video Library – Exclusive vault of form demos, posing drills, exercise critiques.

Book Your Call Now

WHAT THE EXPERTS SAY

Hear what the most respected names in bodybuilding have to say about Dr. Juan Carlos Cassano—and why they trust his expertise.

Arnold Schwarzenegger

 Regarding my work with Arnold on the Netflix Series "Arnold"-

"A Final Thank You - To my team - The men and women who have assembled around me over the years and stayed with me through the many phases of my life, including those who have joined me more recently for projects like my Netflix shows. You keep me on my toes, you help me shine, you make me smarter, and most importantly, no matter how hard we work, we always laugh".

Frank Zane - 3 X Mr Olympia

Tom Platz - Mr Universe

Jon Jon Park - Son of Reg Park

C.T. Fletcher - Actor & Celebrity

John Balik - Bodybuilding Photographer

Bill Richards - Mr Universe

NattyLife - YouTube Celebrity

Emmanuel - Posing Coach

Listen to what the most authoritative voices in bodybuilding say about Dr. Cassano—then join the ranks of those transforming their lives with his guidance.

FREE ACTION PLAN CONSULTING PACKAGE

We offer PREMIUM Consultations for FREE!

1. A 30 MINUTE ZOOM CALL TOGETHER!

2. WE ONLY END THE CALL ONCE I HAVE COMPOSED A SPECIFIC ACTION PLAN FOR YOU.

3. AFTER THE CALL YOU'LL RECEIVE ANY OF 3 THE BRONZE, SILVER OR GOLDEN ERA SECRETS BOOKS FOR FREE (VALUED AT $100 USD).

BOOK NOW AND RESERVE A DATE WHICH WORKS BEST FOR YOU! 

Book Your Call Now

24/7 1:1 COACHING

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  • 🎓 PhD Biochemistry

  • 🧪 25 years Clinical Research

  • 📚 Archival Researcher – Netflix “Arnold” Series

  • 🏆 Host, Mr America Competition

I aim to bring a completely new premium level of online coaching to my clients.

This means that I will respond to you ASAP (and always within 24 hours, guaranteed) about any questions you have throughout the process of your program. 

My clients are encouraged to message me via email on demand; any time they have a question or want my opinion on any of their diet and training. 

From sending me a video of your exercise form to critique, to sending me pictures of particular food labels to see if they contain any "devitalizing agents", you will always have access to me as your coach to guide you to your goals.

That is what being your coach means to me.

- Dr Juan Carlos Cassano

PROGRAM MODELS

Novice to Classic

Geared towards the Novice and Beginner, this program takes you through several guided stages of development. The Golden Era Method of gaining mass followed by shaping is vital in gaining a Classic Physique.

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TURBO-Cut

Lose Excess Body Fat Fast! I have combined my years of experience in medical science, biochemistry and bodybuilding to create a program that melts fat and builds muscle in very little time.

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Rib-Cage Expansion

Looking to achieve that massive Rib Cage, that was

THE TRADEMARK Old School Bodybuilding look?

The Rib Cage Expansion program will increase the mobility and expand your rib cage using tried

and tested techniques from the Golden Era!

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Muscle Control & Light Dumbbell System

Bronze Era techniques such as Muscle Control and

The Light Dumbbell System are now available in our
online coaching program.

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Bodybuilding Competition

Preparing for Bodybuilding Competition? Look no further and learn from my expertise. My clients have seamlessly prepared for bodybuilding competition, cruising through the process whilst the rest of the competitors suffer during the process, and of course succeeded.

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Book Your Call Now

Explore the Collection

Shop for Ebooks, Emagazines, Autographed Photos, Posters and Apparel

Best sellers

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CONTACT US

Ready to transform your body with proven science and classic training?

Book your free Clinical Action Call now!​

goldenerabookworm@gmail.com

©2019 by Golden Era Bookworm, CH-9200 Gossau

Proudly created with Wix.com

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