What is creatine monohydrate?

Creatine monohydrate is a form of creatine, a compound found in the body that helps regenerate ATP for short, high-intensity efforts. It is commonly used to support training performance and muscle gains.

What are the main benefits of creatine monohydrate?

It can improve strength and power during repeated high-intensity exercise and support greater muscle mass gains when paired with resistance training. Some evidence also suggests potential cognitive benefits in certain situations.

How much creatine monohydrate should I take?

A common maintenance dose is 3–5 g per day. Some people use a short loading phase, but it is not required for results.

Is creatine monohydrate safe?

For most healthy adults, creatine monohydrate is generally well tolerated when used as directed. People with kidney disease or those who are pregnant or breastfeeding should consult a clinician before use.

What are common side effects of creatine monohydrate?

Some people experience water retention, mild weight gain, or gastrointestinal discomfort, especially with larger doses. Taking smaller doses and mixing well with fluid can help reduce stomach upset.

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Creatine
(Monohydrate)

Strong study situation·10/10

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

Well-studied and effective supplement for increasing muscle mass, strength, and may support cognitive function.

Cognitive Enhancement Exercise Performance Muscle Gain Neuroprotective Energy Support

dose range

3–5 g

1 daily dose for maintenance; optional loading: 4 x 5 g/day for 5–7 days

Consumption

Mix with water or a non-acidic beverage. Take consistently; time of day is less important than adherence.

Not fat-soluble.

Best time

Can be taken at any time, including pre- or post-workout. Consistency and hydration are most important.

Description

Creatine monohydrate is a naturally occurring compound important for cellular energy production, most often used to enhance exercise performance and muscle growth. It is one of the most researched sports supplements, with a strong safety and efficacy profile for most healthy adults.

benefits

Main effects with level of evidence

Strong

Note on evidence

Extensive studies support both exercise and cognitive benefits in healthy people.

Enhances muscle strength and power output

Strong

Supplementation improves high-intensity exercise capacity, muscle strength, and power, especially during repeated short bursts of activity.

Particularly relevant for: Athletes · Physically active adults · Older adults

S1 · International Society of Sports Nutrition Position Stand: Creatine Supplementation and Exercise S3 · Creatine Supplementation in Exercise, Sport, and Medicine (Kreider et al., 2017)S4 · EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA); Opinion on Creatine

Promotes muscle mass gain

Strong

Consistent use leads to greater increases in muscle mass when combined with resistance training.

Particularly relevant for: Athletes · Older adults

S1 · International Society of Sports Nutrition Position Stand: Creatine Supplementation and Exercise S3 · Creatine Supplementation in Exercise, Sport, and Medicine (Kreider et al., 2017)

May support cognitive function and neuroprotection

Moderate

Emerging evidence suggests creatine supplementation may aid cognitive performance, especially under stress or sleep deprivation, and may offer neuroprotective effects.

Particularly relevant for: Older adults · Individuals at risk of neurodegeneration

S6 · Creatine supplementation and brain health (Avgerinos et al., 2018)

Safety & Information

Important safety information & known risks

For educational purposes only • not medical advice

Creatine is well-studied and safe for most healthy adults at recommended doses.

warning notices

Consult your doctor if you have kidney disease or take nephrotoxic medications.
Minor side effects may include water retention and mild gastrointestinal discomfort.
Avoid use if you have pre-existing kidney disease or impaired renal function.
Use only with a clinician's supervision if you have chronic health conditions or take nephrotoxic drugs.

Known interactions with medications