TESTOSTERONE & IMMUNITY FORMULA

 

Our Best Seller | Trusted by Men Australia-Wide.

You know the feeling. The drift in energy, recovery, and more. Somewhere in the 40s or 50s, your body quietly changed the rules, and nobody handed you the new playbook.

Testosterone & Immunity Formula is a playbook for men over 50. A daily foundational formula of 10 key ingredients, working together in sensible, clearly labelled amounts, supporting testosterone levels, immune function, energy, heart, liver and bone health. 

One scoop, one glass of water, once a day. Fair warning: This isn't a soft drink. 
We keep the nasties out, which means it has a slight tang in the tail, but that's the tradeoff when it comes to fillers and additives. And nothing a legend can't handle.

🔑 BUILT FOR EVERYDAY

• Listed in the ARTG - TGA AUST L 478386 (Australian Register of Therapeutic Goods) 
  

• Backed by research: Ingredients featured in 26,500+ PubMed studies, RCTs and systematic reviews

• Made in Australia in a GMP-certified facility

• Third-party lab tested throughout its lifecycle for quality and ingredient-level conformance.

✅ HOW IT SUPPORTS

• Healthy testosterone levels
• Immune systems
• Energy and vitality
• Muscle performance & recovery
• Bone and joint health

This isn’t a quick fix - it’s a daily foundation, and also safe for female athletes. 
Try the 30-day test. This isn't just about what you'll feel; it's also about what you won't feel. 

“I use this every day for a reason—and I can feel it when I don’t.”
Don Singe, Professonial Performance Coach.

💪 WHY IT WORKS

No pills to remember. No complicated stack to manage. Just one scoop, mixed with 150-200ml water, or into your daily shake. A genuine all-rounder supporting heart, liver, blood, and bone health alongside testosterone and immunity.

All this means consistent use and nutrient intake. No peaks or troughs in intake, for the systems that rely on these ingredients. 

Don't let age mug you in broad daylight. A balanced diet is always ideal, but many modern diets and lifestyles leave real nutrient gaps, and in addition,l as we get older, we often eat less to manage weight, and nutrient absorption naturally declines. If you're staying active, the injury risk from under-supporting your body is real.

Beware mega-dose "solutions." They can be dangerous and are often a waste of money. Our ingredients and amounts are fully disclosed, no black boxes, no guesswork. Ask your doctor or nutritionist, or check the label for yourself with AI. Be informed.

🔥 HIGHLIGHTS

• Ingredients featured in PubMed in over 26,500 clinical trials, randomised controlled trials, or systematic reviews. More information on PubMed.
• Full transparency on ingredients.
• Included in the Australian Register of Therapeutic Goods (ARTG) and registered with the TGA (Therapeutic Goods Administration of Australia). AUST L 478386.
• Made in Australia, in a certified GMP facility in Sydney.
• 5g serving a day (Scoop included).
• Used by the founders daily since launch.
  

INFO

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🐂 WHY OLD BULL HEALTH?

At Old Bull Health, you are dealing with founders who are over 50 and trying not to die. Funnily enough, we started the company with this goal, and thus, our slogan and mission are "Legends living longer".

Our commitment to simplicity means powders: one mix, one scoop, one glass of water; just keep it simple.

Each ingredient is researched and carefully considered. Our Testosterone & Immunity formula is our best-seller and a testament to this cause. We avoid capsules and pills, focus on daily-use benefits, comply with TGA (Therapeutic Goods of Australia) regulations and requirements, and have an AUST L product number. We are included in the ARTG (Australian Register of Therapeutic Goods).

Our products are also regularly laboratory-tested by a third party throughout their lifecycle for quality and conformance to ingredient-level specifications.

Experience the benefits of consistent use and join our community of satisfied customers today. We do not support unregistered products coming in from overseas and believe they cause harm to our industry and potentially to users.

Elevate your health journey with Testosterone & Immunity Formula.

How to mix Testosterone & Immunity Formula video.

Still not sure? Click on the image below to read more benchmarking and other facts on Testosterone & Immunity Formula.