We analyzed one assertion on creatine supplementation and side effects, and what we’ve found so far suggests that taking 5 grams of creatine daily for six weeks may be linked to a 4.25 times higher rate of minor, self-reported side effects compared to a placebo [1]. No serious health events were reported in this observation. The evidence we’ve reviewed does not describe what those minor side effects were, but they were reported by people taking creatine and were not severe enough to require medical attention. There were no studies in our review that contradicted this finding, though the total number of assertions analyzed remains very small. We cannot say whether these side effects are common, predictable, or tied to specific groups of people, because the data does not include details on participant size, duration beyond six weeks, or the nature of the symptoms. It also does not clarify whether the side effects were mild enough to be ignored or if they affected daily life. Because only one assertion was analyzed, we cannot determine if this pattern holds across different doses, populations, or longer timeframes. The absence of refuting studies does not mean creatine is universally safe or unsafe — it only means we have not yet seen evidence that contradicts this specific observation. For someone considering creatine, this suggests that minor, temporary discomforts might be more likely than with a placebo, but nothing in the current evidence points to serious risks. If you’re thinking about starting creatine, you might notice small changes in how you feel — like bloating or stomach upset — but nothing that appears to be dangerous based on what we’ve seen so far.