Does Creatine Make You Gain Weight? (And the Hair Question)

Yes, the number on the scale usually goes up when you start creatine, by somewhere around one to two kilograms in the first few weeks. And it is the most misunderstood weight in fitness, because it is water, it is inside your muscles, and it is doing exactly what you took creatine for.

What the scale is actually showing

Creatine saturates your muscle cells and pulls water in with it. That intracellular water is not the soft kind that sits under your skin before a beach day; it is inside the muscle, which is why arms and shoulders tend to look fuller, not puffier, within a few weeks. You did not gain fat. Creatine has no calories, and no mechanism to store fat with. The scale went up while the mirror got better, which is the whole lesson in trusting photos over scale weight.

What to expect, week by week

• Weeks one to three: the water move happens, roughly 1–2 kg, faster if you loaded. Drink more water than usual while it does.
• After that: your weight stabilizes at the new baseline. Any change beyond it is diet and training, not the powder.
• If you stop: the water leaves over a few weeks and the scale drifts back. Which tells you it was never fat in either direction.

The hair loss rumor, honestly

This one traces back to a single small 2009 study of college rugby players, which reported a rise in DHT, a compound associated with hair shedding in genetically predisposed guys, over three weeks of heavy loading. That finding has never been replicated, the levels stayed within normal ranges, and in the fifteen years since, no study has linked creatine to actual hair loss. The honest summary: one unreplicated data point against hundreds of studies where this never showed up. If you are genetically primed for thinning, what your hair does was largely decided by your genes, and there is a whole hair protocol for making the most of what you have.

The kidney question

Creatine raises creatinine, a marker doctors use to estimate kidney function, which is a measurement quirk, not damage, and it is why the rumor refuses to die. In healthy adults, decades of research at normal doses have not shown kidney harm. If you have an existing kidney condition, that is a conversation for your doctor before any supplement, this one included, and mention the creatinine effect so your blood work gets read correctly.

The bottom line

Take the daily three to five grams, drink your water, and judge your body in photos, not on the scale, on the same 90-day clock as everything else. The mechanics of dose and timing are in the how to take creatine guide, the product is our Creatine Hydration Powder with the electrolytes built in, and the Protocol Builder will tell you in five questions whether it belongs in your stack at all.

†These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.