For Students
How to bulk without gaining excess fat
Building muscle requires a calorie surplus — but a bigger surplus doesn't build muscle faster, it just adds more fat along the way.
Keep the surplus small
Muscle growth has a biological ceiling on how fast it can happen (a large surplus can't force it faster), so a modest surplus of roughly 10-20% above maintenance calories is generally recommended over an aggressive one — it supports muscle growth while minimizing the fat gained alongside it.[1] A larger surplus mostly just means more of the weight gained ends up being fat rather than muscle.
Protein and monitoring matter more than the exact number
Keeping protein in the 1.6-2.2 g/kg range supports muscle gain specifically (rather than just generic weight gain), and tracking your rate of weight gain — aiming for roughly 0.25-0.5% of body weight per week — lets you adjust the surplus up or down before it drifts into excess fat gain.[2]