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Nutrition’s Kristyen Tomick explains why creatine can lead to weight gain

Media | October 26, 2026 | Story by: Editorial Staff

Creatine and weight gain: the side effect of one of the world’s most popular fitness supplements

MSN: Kristyen Tomick, assistant professor of nutrition, explained how water weight may account for the initial creatine-related weight gain, but increased lean muscle mass can play a part too. “In resistance-trained individuals who are concomitantly supplementing with creatine, increased lean muscle mass may also account for some of the weight gained over time," said Tomick.