What is Creatine (Hydrochloride)?

Creatine (Hydrochloride), often called creatine HCl, is a creatine supplement form designed to be highly soluble in water. It’s used to support short-duration, high-intensity exercise performance and strength.

What are the main benefits of creatine HCl?

Creatine HCl can help improve power and strength during high-intensity efforts and support muscle gains when paired with resistance training. Creatine may also support certain aspects of cognition, though evidence specific to HCl is still developing.

How much creatine HCl should I take?

A common supplemental range is 1–2 g per day. Individual needs can vary based on body size, diet, and training, so follow product directions and adjust as tolerated.

Is creatine HCl better than creatine monohydrate?

Creatine HCl is typically more soluble and may be easier for some people to take in smaller servings. Creatine monohydrate is the most studied form, and both aim to increase muscle creatine stores.

Who should avoid creatine HCl or use caution?

People with kidney disease or significant kidney concerns should avoid creatine unless a clinician approves. If you are pregnant, breastfeeding, or taking medications that affect kidney function, consult a healthcare professional first.

313 science-backed nutrients

3251 sources considered

Evidence-graded information

Explore by goal or category

Find a nutrient

313 nutrients total

Vitamin B

Vitamin B1 (Thiamine)

Vitamin B2 (Riboflavin)

Vitamin B3 (Niacin)

Vitamin B5 (Pantothenic Acid)

Vitamin B6 (Pyridoxine)

Vitamin B7 (Biotin)

Vitamin B9 (Folic Acid)

Vitamin B12 (Methylcobalamin)

Vitamin B12 (Cobalamin)

Vitamin A & Carotenoids

Vitamin C

Vitamin D

Vitamin E

Vitamin K

Vitaminoids

Trimethylglycine (Betaine)

NMN (Nicotinamide Mononucleotide)

Pyrroloquinoline Quinone (PQQ)

D-Chiro-Inositol

Coenzym Q10 (Ubiquinone)

Betaine HCL

Nicotinamide Riboside

Vitamin B8 (Myo-Inositol)

Choline

Citicoline (CDP-Choline)

Coenzyme Q10 (Ubiquinol)

Calcium

Calcium Alpha-Ketoglutarate

Magnesium

Magnesium Bisglycinate

Magnesium L-Threonate

Trace Minerals

Copper (Bisglycinate)

Chromium Picolinate

Manganese (Bisglycinate)

Zinc

Pentadecanoic Acid (C15:0)

Phosphatidylserine

R-Alpha Lipoic Acid

Black Cumin Oil

Extra Virgin Olive Oil

Ceratiq wheat oil extract

Phospholipids

Algae Oil

Fish Oil

Conjugated Linoleic Acid

Gamma-Aminobutyric Acid

Alpha-Linolenic Acid

Gamma-Linolenic Acid

Omega-3

Docosapentaenoic acid (DPA)

Eicosapentaenoic acid (EPA)

Docosahexaenoic acid (DHA)

AminoMar

Acetyl-L-Carnitine

PABA (para-aminobenzoic acid)

Essential Amino Acids

Conditionally Essential Amino Acids

L-Theanine

Non-Essential Amino Acids

Beta-Alanine

L-Cysteine Hydrochloride

Amino Acid Derivative

Taurine

Creatine (Hydrochloride)

L-Arginine Alpha-Ketoglutarate

Creatine (Monohydrate)

Akkermansia muciniphila

Lactobacillus Reuteri

Probiotics

Bifidobacterium longum BB536

Prebiotics

Stinging Nettle Extract

Pomegranate Polyphenols

Red Beet Extract

Pine Extract (Pycnogenol)

Oligomeric Proanthocyanidins (OPC)

Ashwagandha Root Extract

Methylsulfonylmethane (MSM)

Citrus Sinensis Extract

Horsetail Stem Extract

Flax Seed Extract

Sulforaphane Glucosinolate

Garlic Extract

Black Pepper

Apricot Kernel Extract

Lovage

Spiny Rest Harrow Root Extract

Juniper Berry Extract

Bearberry Leaf Extract

White Kidney Bean Extract

Lady’s Mantle Extract

Bitter Orange Extract

St. John’s Wort Extract

Japanese Knotweed Extract

Hydroxytyrosol/tyrosol

Olive extract

Sesame seed lignan extract

Broccoli Sprout Extract

Cranberry Extract

Flavon Glycosides

Gentian Root Extract

Griffonia simplicifolia Extract

Ajuga Turkestanica Extract

Amaranthus Leaf Extract

Banaba Extract

Boswellia Extract

Capsaicin

Cayenne Pepper Extract

Celery Extract

Ceylon Cinnamon Extract

Chamomile Extract

Charantin

Chinese Goldthread Root Extract

Citrus Aurantium Extract

Cocoa Extract

Cyanotis Arachnoidea Extract

Fadogia Agrestis Extract

Garcinia Cambogia Extract

Goldenrod Extract

Green Tea Extract

Guarana Extract

Horse Chestnut Extract

Grapefruit Seed Extract

Grape Vine Leaf Extract

Green Tea Polyphenols

Epigallocatechin Gallate (EGCG)

Adaptogens

Cordyceps sinensis extract

Ginsenoside

Lion's Mane (Hericium erinaceus)

Ginseng Extract

Cat's Claw (Uncaria tomentosa)

Arjuna (Terminalia arjuna)

Tribulus Terrestris Extract

Rhodiola rosea

Panax Ginseng Extract

Mushrooms

Reishi Extract

Astragalus Polysaccharides

Hyaluronic Acid

Glucosamine Sulfate

Chondroitin Sulfate

Glucosamine Sulphate 2KCL

Creatine
(Hydrochloride)

Strong study situation·10/10

A higher score indicates better study conditions, but not necessarily effectiveness.

Creatine hydrochloride (HCl) is a highly soluble form of creatine used to enhance athletic performance, muscle strength, and possibly cognitive function.

Cognitive Enhancement Exercise Performance Muscle Gain Energy Support

dose range

1–2 g

Once daily

Consumption

Mix powder in water or beverage, preferably near workout times.

Not fat-soluble.

Best time

Can be taken pre- or post-workout; timing is flexible.

Description

Creatine HCl is a supplemental form of creatine that offers improved solubility and absorption compared to creatine monohydrate. It is widely used by athletes and active individuals to boost high-intensity exercise performance and may be effective at lower doses. It is generally safe for healthy adults, but those with kidney issues should avoid use.

benefits

Main effects with level of evidence

Strong

Note on evidence

Research strongly supports creatine for exercise performance and muscle gain; HCl is less-studied than monohydrate but shows similar effects in preliminary trials.

Improves High-Intensity Exercise Performance

Strong

Supplementation with creatine HCl enhances performance in short-duration, high-intensity activities by increasing muscle phosphocreatine stores, improving power, strength, and fatigue resistance.

Particularly relevant for: athletes · fitness enthusiasts

S1 · Creatine supplementation with specific view to exercise/sports performance: an update.S2 · The effects of creatine hydrochloride supplementation on resistance training performance and muscle metabolism.S3 · Dietary Supplements for Exercise and Athletic Performance: Fact Sheet for Health Professionals S6 · International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine.

Increases Muscle Mass and Strength Gains

Strong

Creatine HCl supports muscle hypertrophy and strength when combined with resistance training and may permit similar gains as creatine monohydrate at lower doses.

Particularly relevant for: athletes · older adults · fitness enthusiasts

Potential Cognitive Benefits

Moderate

Creatine supplementation may improve memory and cognitive performance, particularly in populations with low baseline creatine or during periods of sleep deprivation, though specific evidence for HCl is emerging.

Particularly relevant for: vegetarians · students · shift workers

S3 · Dietary Supplements for Exercise and Athletic Performance: Fact Sheet for Health Professionals S5 · Effects of creatine supplementation on cognitive function of healthy individuals: A systematic review of randomized controlled trials

Safety & Information

Important safety information & known risks

For educational purposes only • not medical advice

Generally safe for healthy adults at recommended doses; avoid with kidney disease.

warning notices

No serious adverse effects reported in healthy adults using typical doses.
May increase risk of kidney strain in those with pre-existing renal disease or on nephrotoxic drugs.
Long-term safety beyond 5 years is not fully established.
Avoid use if you have pre-existing kidney disease or impairment.
Use only under medical supervision if pregnant, breastfeeding, or on nephrotoxic medications.
Monitor kidney function during long-term, high-dose supplementation.

Known interactions with medications

Nephrotoxic drugs (e.g., NSAIDs, some antibiotics) may increase risk of kidney complications.

Contraindications / special precautions

Kidney disease
History of kidney stones
Pregnant or breastfeeding without clinician supervision

mechanisms of action

Brief explanations of how it works

Increases Muscle Phosphocreatine Stores

Creatine HCl increases phosphocreatine in muscle, fueling rapid ATP regeneration during short bursts of high-intensity activity.

Improved Solubility May Enhance Absorption and GI Tolerance

The hydrochloride salt form dissolves more readily, which may improve its absorption and reduce gastrointestinal complaints compared to creatine monohydrate.

S2 · The effects of creatine hydrochloride supplementation on resistance training performance and muscle metabolism.