is it possible to gain muscle mass without a caloric surplus?

[Deckster]

like if was to eat at maintanance but ate alot of protein and lift heavy three times a week would i still gain muscle, or do you have to eat at a surplus?

[trickysimon]

You don't seem to understand the word "maintenance".
Where would be the muscle mass be coming from if you were maintaining weight?

[angryguywalking]

It's only possible in certain situations, you might be able to in your case but it would be inefficient.

[feelsg00dmayne]

It's only possible in certain situations, you might be able to in your case but it would be inefficient.

this. OP, you're 16. eat heavy. lift heavy. take advantage of noob gains and dem teenage hormonez to get swole.

[phal]

It's only possible in certain situations, you might be able to in your case but it would be inefficient.

this. OP, you're 16. eat heavy. lift heavy. take advantage of noob gains and dem teenage hormonez to get swole.

These.