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Confused about supplements? We'll make it simple.
What are supplements?
Supplements are like helpers for your body. They fill small gaps in your diet so you get the nutrients you need. Even if you eat healthy, it can be hard to get enough protein, vitamins, or minerals every day. That’s where supplements come in. They make it easier to stay energized, maintain & repair muscles*, and support your overall health without overcomplicating things.
Why People Use Supplements
- Boost Energy for Busy Days
Supplements like caffeine increase alertness and improve concentration, while minerals like magnesium reduce tiredness and fatigue.* - Build & Maintain Muscle Mass: Protein contributes to growth and maintenance of muscle mass with regular resistance training.*
- Support Healthy Bones & Joints
Collagen & Vitamin C aid in normal function of cartilage while calcium helps maintain healthy.* - Fill Nutrition Gaps
Even with healthy eating, it’s hard to get all the nutrients your body needs every day. Supplements make it easier.
We've simplified the science. Explore the essentials below.
Protein
A nutrient that helps maintain and grow muscle mass with regular resistance training.
Creatine
A compound that supports energy production.
Mass Gainers
High-calorie protein formulas to support weight gain or maintenance.
Energy
Electrolytes and energy blends that helps your body stay energised.
Multivitamins
Essential vitamins and minerals to fill gaps in your daily nutrient needs.
How much protein do I need?
Find out in under 60 seconds with our protein calculator.
GET YOUR DAILY PROTEIN INTAKE
Questions about supplements?
Get instant answers with Coach Optimum — our AI tool for supplement advice.
CHAT WITH COACH OPTIMUMWhy Optimum Nutrition?
Let Us Introduce Ourselves
At Optimum Nutrition we believe you get out what you put in – which is why we only use high quality ingredients to give you a range of products to consistently support your fitness needs.
Trusted Performance Nutrition for over 35 Years
Optimum Nutrition has always been about helping people unlock their potential. No matter your goal or level, if you’re putting it in, we’ll help you get more out. As the World’s #1 sports nutrition brand, we’ve been delivering trusted performance nutrition for over 35 years.
Rigorous Testing
Our products are held to the highest standards. We rigorously test for purity and safety, so you can trust what’s on the label is what’s in the product. Our commitment to quality means consistent performance, batch after batch, because your health and goals deserve nothing less.
Quality Fit for Champions
With an astonishing show of promise in his early years as a racer, Lando Norris has experienced a meteoric rise from gifted karter to McLaren’s senior driver at age 23. Lando remains the youngest driver ever to set a pole position at a national meeting.
Official Claims:
* Protein contributes to growth and maintenance of muscle mass with regular weights resistance training.
* Creatine increases physical performance in successive bursts of short-term, high intensity exercise
* Vitamin C contributes to the normal collagen formation for the normal function of cartilage.
* Zinc contributes to a health immune system.
* Magnesium contributes to the reduction of tiredness and fatigue, electrolyte balance, normal energy yielding metabolism, normal functioning of the nervous system, normal muscle function.
* Magnesium contributes to normal protein synthesis.
* Caffeine contributes to increased alertness and improved concentration
* Magnesium contributes to electrolyte balance
* Iron contributes to normal formation of red blood cells and haemoglobin
