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Creatine form

Creatine HCl

Last reviewed September 28, 2026Part of Creatine
In short

Creatine bound to hydrochloric acid. It dissolves more easily in water than monohydrate and is often sold in smaller “doses”, but evidence that it works better is limited.

At a glance

Research base
Published research
Limited compared with monohydrate
Creatine content
SuppScout calculation
~78% creatine by weight
Solubility
Published research
Higher than monohydrate in water
Typical formats
General reference
Capsules, powders
Marketing claim to check
Manufacturer claim
“Smaller dose needed” — not well supported

SuppScout calculation About 78% creatine by weight; 5 g of creatine HCl provides about 3.9 g of creatine.

About creatine hcl

What it is

Creatine hydrochloride (HCl) is a salt form with higher water solubility than monohydrate.

What the research says

A review of novel creatine forms reported that HCl is more soluble than monohydrate, but found little evidence that newer forms are more effective. Claims that much smaller amounts of HCl produce the same effect as 3–5 g of monohydrate aren’t well established by published research.

Cost note

Because HCl products often recommend smaller servings, cost per serving can look similar to monohydrate while cost per gram of creatine is much higher. Compare both.

Compare HCl

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Monohydrate vs HCl

Research depth, dose claims and cost per 5 g.

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Creatine HCl products

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Other creatine forms

Creatine MonohydrateCreatine PowderCreatine Gummies

Sources & references

  1. Jäger R, Purpura M, Shao A, Inoue T, Kreider RB (2011). Analysis of the efficacy, safety, and regulatory status of novel forms of creatine. Amino Acids 40(5). pubmed.ncbi.nlm.nih.govReview
  2. Kreider RB, Kalman DS, Antonio J, et al. (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. doi:10.1186/s12970-017-0173-zPosition stand

SuppScout links to primary and authoritative sources wherever possible. See our editorial policy for how sources are selected and how corrections are handled.

This page is educational and is not medical advice. Talk to a healthcare professional before starting a supplement, especially if you have a medical condition, take medications, or are pregnant or breastfeeding.