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What is Creatine?
How creatine works, which type to buy, and who should take it, explained simply.
Quick Answer
Creatine is a naturally occurring compound found in muscle cells that helps produce ATP energy during short, intense exercise. Creatine monohydrate is the most studied and effective form. It is safe, affordable, and one of the most evidence-backed supplements in sports nutrition.
How creatine works
ATP (adenosine triphosphate) is the primary energy currency in your muscles. During intense exercise, ATP is used up rapidly. Creatine, stored as phosphocreatine in muscle tissue, donates a phosphate group to regenerate ATP, allowing your muscles to produce energy faster and for longer before fatigue sets in.
Supplementing with creatine increases your phosphocreatine stores beyond what your diet alone provides. This is why creatine consistently improves performance in activities like weightlifting, sprinting, and HIIT, where short bursts of maximum effort are required.
Types of creatine
| Type | Evidence | Verdict |
|---|---|---|
| Creatine Monohydrate | Decades of research, gold standard | ✓ Best choice |
| Creatine HCL | Better solubility; limited long-term data | Viable for GI-sensitive users |
| Buffered Creatine (Kre-Alkalyn) | Claims to be more stable, not substantiated | No advantage over monohydrate |
| Creatine Ethyl Ester | Less effective than monohydrate in studies | Not recommended |
Who should take creatine?
Creatine benefits anyone who does resistance training, HIIT, or any sport requiring short bursts of maximum power. It is equally effective for beginners and advanced athletes. Vegetarians and vegans tend to see the biggest performance gains since they get almost no dietary creatine from food.
What is Creatine, FAQ
- What is creatine and what does it do?
- Creatine is a naturally occurring compound found in muscle cells. It helps replenish ATP, the primary energy source for short, intense exercise. Supplementing with creatine increases phosphocreatine stores, allowing muscles to work harder for longer.
- Is creatine safe?
- Yes. Creatine monohydrate is one of the most studied supplements in sports science with a strong long-term safety record in healthy adults. Common minor side effects include water retention and, in some cases, digestive discomfort with high doses.
- Does creatine cause hair loss?
- A single small study found creatine raised DHT levels (a hormone linked to hair loss in people genetically predisposed to it), but the evidence is not conclusive. There is currently no direct evidence that creatine causes hair loss.
- Do I need to load creatine?
- No. A loading phase (20g/day for 5–7 days) saturates muscles faster, but taking 3–5g daily without loading achieves the same saturation over 3–4 weeks. Loading is optional and not required for long-term effectiveness.
- When should I take creatine?
- Timing is not critical. Consistency matters more than when you take it. Most people take 3–5g daily at any time, with a meal or post-workout is a common preference. The most important thing is taking it every day.
- Does creatine work for everyone?
- Most people respond well to creatine supplementation, but a small percentage (10–30%) are 'non-responders' whose muscles are already naturally saturated. People who eat less red meat tend to see the greatest benefit.
Disclaimer: The information on this page is for educational purposes only and does not constitute medical advice. Always read the product label and consult a qualified healthcare professional before starting any supplement programme, especially if you have a medical condition, take medication, are pregnant, or are under 18.