







TESTOSTERONE & IMMUNITY FORMULA (30)
Regular price $70.00
Unit price per
TESTOSTERONE & IMMUNITY FORMULA
"UNLOCK"



Our Best Seller | Trusted by Men Australia-Wide.
The leading mix of 10 ingredients, designed to work together in sensible amounts, supporting testosterone levels, the immune system, blood, heart & liver health, energy levels and more. Dont believe us? Keep reading.
🔑 BUILT FOR EVERYDAY LEGENDS
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Listed in the ARTG - TGA AUST L 478386
(Australian Register of Therapeutic Goods) -
Ingredients featured in 26,500+ PubMed studies, RCTs & systematic reviews
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Made in Australia in a GMP-certified facility
✅ UNLOCK EVERYDAY STRENGTH
Safe for, and also used by female athletes.
Testosterone & Immunity Formula 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. One scoop in a glass of water, or your daily shake, and you’re set. Try the 30-day test.
“I use this every day for a reason—and I can feel it when I don’t.”
Don Singe, Professonial Performance Coach.
💪 BENEFITS
- The ultimate performance optimiser, supporting T levels, the immune system, vitality, and recovery.
- A convenient all-rounder with ingredients that support heart, liver, blood, and bone health
- No pills. Keep it simple, add water or a shake. Convenient and easy for a daily routine.
Don't let age mug you in broad daylight.
⚡ STILL NOT SURE?
- Modern diets and lifestyles can leave real nutrient gaps
- As we age, we may eat less, and nutrient absorption can decline
- Beware of mega-dose "solutions". They can be dangerous and a waste.
- Active lifestyle? The muscle injury threat is real.
- Ask your doctor or nutritionist. Our ingredients and amounts are clear - no black boxes here.
🔥 HIGHLIGHTS
- Ingredients featured in PubMed in over 26,500 clinical trials, randomised control trials, or systematic reviews. More information on PubMed.
- Included in the Australian Register of Therapeutic Goods (ARTG) and registered with the TGA (Therapeutic Goods Administration of Australia). AUST L 379152.
- Made in Australia, in a certified GMP facility in Sydney.
- 5 g serving (Scoop included).
- Used by the founders daily since launch.
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🐂 WHY OLD BULL HEALTH?
At Old Bull Health, you are dealing with founders who are all 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, and comply with TGA (Therapeutic Goods of Australia) regulations and requirements, and we 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.
How many should I buy?
Testosterone & Immunity Formula
One bag contains around 30 servings, so it should last an individual one month. For best results, use daily.
Stress & Cognition Formula
One bag is around 30 servings. Many use this on weekdays or during times needed.
Protein
This is a bit of an "it depends" answer. It depends on your weight, age, life ambitions, and how much you exercise.
- Australian RDI * 0.84 g per KG body weight for a 76 KG male
- Age and activity increase this requirement to a range of around 1.2 g - 1.4 g per KG body weight. See our Protein Intake Tables.
- Keep in mind what other protein you consume during the day to work out your gap.
See our protein intake information for detailed answers, calculations, related research, and a usage table. (Link above)
Marine Collagen
One tub is around 15 servings. Each serving is 13 g with 10 g marine collagen, which is what the clinical trial recommended over 8 weeks. Use daily.
For all our products, always read the label and follow the directions for use.
Shipping FAQ
Orders are processed immediately during office hours and shipped via Australia Post Standard or Express Post Service from Sydney, depending on your selection at checkout. Delivery is a flat rate starting at $4.95.
Certain bundles have free shipping if you see the following icon.

Our goal is to get the product to your door in 1 to 3 days; again, it will depend on where in Australia you are located. International shipments may take longer.
For a more accurate time estimate from Australia Post, enter 2100 as our 'from' post code and your postcode using this online postage calculator.
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We charge a flat delivery fee of $4.95, no matter how many products you order, or free delivery on certain marked bundles. International orders are higher; please refer to the product page for more details. Delivery will be calculated at checkout depending on your selections..
We also offer FREE Click & Collect from:
ATOS, (Look for Old Bull health Signage)
152 Old Pittwater Road, Brookvale, Sydney NSW.
Collection hours are: 9:00 am – 4:00 pm Monday to Friday | Closed Saturday and Sunday.
Any questions or dramas contact us.
Subscribe and save
You control your subscription - just login.
Subscriptions allow you to SAVE and have the CONVENIENCE of not forgetting to reorder.
You will receive an email the day before each order to REMIND you that you are about to reorder. You can also elect how often you want to receive products or pause your subscription as required. Depending on your needs, you can skip, reschedule, edit, or cancel anytime.
If unsure, if you haven't tried our powders before, set up a monthly subscription for your first order and save. Then cancel if you don't like it. We are confident in our products, not to mention our money-back guarantee. (See our refund policy.)