Introduction
Creatine is one of the most effective and most studied sports supplements. EFSA has confirmed that creatine increases physical performance in successive bursts of short-term, high-intensity exercise at 3 g per day (Kreider et al., 2017). But at the supplement shelf, you face a choice: classic monohydrate or newer HCL (hydrochloride)?
What is creatine monohydrate?
Creatine monohydrate is the original and most studied form of creatine. Hundreds of clinical studies confirm its efficacy and safety (Rawson & Volek, 2003; Branch, 2003). It is a creatine molecule bonded to one water molecule.
Monohydrate is also the most affordable creatine form — the price per gram is typically 3–5 times lower than HCL.
What is creatine HCL?
Creatine HCL (hydrochloride) is a creatine molecule bonded to a hydrochloric acid molecule. This combination makes creatine much more water-soluble — HCL dissolves in water far better than monohydrate.
Manufacturers claim that better solubility means better absorption and allows for smaller doses.
Key differences
| Feature | Monohydrate | HCL |
|---|---|---|
| Research volume | 700+ scientific studies | Limited studies |
| Typical dose | 3–5 g per day | 1–2 g per day (manufacturer recommendation) |
| Water solubility | Moderate (settles to bottom) | Very good |
| Bloating | Possible (especially during loading) | Claimed to be less |
| Price/month | €5–10 | €15–30 |
| Taste as powder | Tasteless to slightly gritty | Slightly sour |
| Loading phase needed? | Optional (5 g x 4 for one week) | Typically not recommended |
When to choose monohydrate
- You want the most evidence-backed form — monohydrate has been studied hundreds of times and its efficacy is clearly confirmed
- Budget matters — monohydrate is 3–5 times more affordable
- You do not experience digestive issues with monohydrate — it works well for most people
- You want a well-documented dose — 3–5 g per day is thoroughly researched
- You use creatine long-term and consistently — the low cost makes it sustainable
When to choose HCL
- Monohydrate causes you digestive discomfort (bloating, diarrhoea) — HCL may be easier to digest due to better solubility
- You prefer smaller doses — HCL manufacturers recommend 1–2 g per day
- Solubility matters to you — HCL mixes completely into water; monohydrate partially settles
- You do not want to do a loading phase — loading is typically not recommended with HCL
Can you combine them?
Theoretically yes, but in practice it is neither necessary nor practical. Choose one form and use it consistently. Creatine's full effects manifest after 2–4 weeks of regular use.
Frequently asked questions
Is HCL better than monohydrate? Current science does not support this claim (Jagim et al., 2012). HCL dissolves better, but there are no long-term studies showing superior effects on strength, muscle mass, or performance compared to monohydrate.
Does creatine monohydrate cause water retention? Creatine pulls water into muscle cells, which may increase scale weight by 1–2 kg. This is intracellular water, not subcutaneous water. Most athletes consider this a positive effect.
Is a loading phase necessary? No, a loading phase is not mandatory. Taking 3–5 g per day achieves the same result within 2–4 weeks. The loading phase (20 g per day for 5–7 days) simply accelerates saturation.
Do you need to cycle creatine? No, long-term continuous use is safe according to research. Cycling is not necessary.
When is the best time to take creatine? Timing is not critical. Consistency matters more. Many athletes take creatine post-workout with protein.
Browse our creatine selection at MaxFit.ee →
References
- Kreider RB, Kalman DS, Antonio J, Ziegenfuss TN, Wildman R, Collins R, Candow DG, Kleiner SM, Almada AL, Lopez HL. (2017). International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine. Journal of the International Society of Sports Nutrition, 14, 18.
- Rawson ES, Volek JS. (2003). Effects of creatine supplementation and resistance training on muscle strength and weightlifting performance. Journal of Strength and Conditioning Research, 17(4), 822-831.
- Branch JD. (2003). Effect of creatine supplementation on body composition and performance: a meta-analysis. International Journal of Sport Nutrition and Exercise Metabolism, 13(2), 198-226.
- Jagim AR, Oliver JM, Sanchez A, Galvan E, Fluckey J, Riechman S, Greenwood M, Kelly K, Meininger C, Rasmussen C, Kreider RB. (2012). A buffered form of creatine does not promote greater changes in muscle creatine content, body composition, or training adaptations than creatine monohydrate. Journal of the International Society of Sports Nutrition, 9(1), 43.
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Disclaimer
A food supplement is not a substitute for a varied and balanced diet and a healthy lifestyle.
