Everyone seems to be talking about taking creatine-protein powder's lesser-known "cousin." And for good reason: The nutrient ...

If your kidneys are healthy, you should have no problems with long-term use. If you have kidney damage or a kidney condition, ...

Individual factors matter, too. Those with more muscle mass may take longer to feel the full benefits because they need more ...

We spoke with experts to find the best pure and effective creatine supplements. Here's what we recommend, whether you're ...

In terms of how much creatine to take, Mazur recommends a standard 5-gram dose, even on rest days. Since when you take creatine doesn’t matter too much, he adds that it can be taken whenever it’s most ...

Kirstyn Hill has worked as a clinical pediatric and women’s health pharmacist since 2020. She was driven to work with a patient population that is not often able to easily speak up for themselves and ...

All products featured on Self are independently selected by Self editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. Zheka-Boss/Getty Images ...

If you’re making fitness your 2026 goal, how do powders and supplements fit in? If you’re not seeing the results you want in ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It’s hard to miss all the chatter surrounding creatine right now. The supplement has been big in fitness ...

Potential side effects caused by the popular exercise supplement creatine include weight gain, nausea, diarrhea, muscle ...