Updated Feb 26, 2026
GNC Education
What’s the real evidence that creatine is safe for different ages?
The short version: creatine is one of the most studied sports supplements, and research across adults and older adults generally shows it’s well-tolerated when used as directed and paired with basics like hydration and a consistent routine.
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Evidence-first guide
Clear takeaways • realistic expectations • practical use
Studied ingredientStraightforward routine Hydration mattersSupports training output
Is creatine only for bodybuilders and serious athletes?
If creatine is so well-studied, why do people still argue about it online?
What are the most common reasons someone might not tolerate creatine well?
Do I need a “loading phase,” or can I just take it daily?
Is creatine appropriate for teens?
Is creatine only about strength, or does it do more than that?
How do I choose a creatine product that matches what’s studied?
If you want to keep it simple, start with a straightforward daily routine.