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The claim

“Creatine is safe and works for building muscle and improving performance.”

Mostly true
Evidence confidence Strong

Strong confidence because creatine is one of the best-studied sports supplements and reliably improves strength and high-intensity performance when paired with training. Standard doses have a strong safety record in healthy adults.

The facts

Creatine is one of the best-studied sports supplements and reliably improves strength and high-intensity performance when paired with training. Standard doses have a strong safety record in healthy adults.

Dose Matters

Studies commonly use 3 to 5 grams of creatine monohydrate daily. A loading phase is optional.

Who should be careful?

Safety note: Standard creatine doses are well studied in healthy adults, but evidence is thinner in pregnancy and in people with significant kidney disease.

Talk to a healthcare professional if: If you have kidney disease, are pregnant, or take medicines that affect kidney function, ask a clinician before using creatine.

What this means for you

Creatine monohydrate is a well-studied option for strength and high-intensity training. It is optional, and it works alongside training.

Your next step

If you are a healthy adult and want to try it, consider 3 to 5 grams of creatine monohydrate daily.

Sources
Last reviewed 2026-10-01 Suggest a correction →

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Bottom line on Creatine

One of the few supplements we can recommend without hedging: cheap, safe, effective, and useful across ages. Buy plain creatine monohydrate and take it daily - that's the whole strategy.