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Tell that to Lee Priest. He bulked in the offseason with very high protein, very high carbs, very high fat.</p>
<p>As far as muscle building goes, you can't have too much of any macronutrient. But having too much WILL cause fat gain.</p>
<p>When someone is a new lifter, you can lose fat and gain muscle at the same time. The microtrauma done to the muscles is taken more seriously, and all efforts by your body is done to build muscle. And if you are subsequently in a caloric deficit, fat will also be burned. And it's pretty obvious kenshi was being sarcastic.
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<p>What I meant was, you can't gain muscle without a proper diet. I was just giving an example, you can have 40/40/20 ratio of protein/carbs/fats, or 33/33/33, the point is if your diet isn't consistently having enough protein/carbs/fats to build/repair/fuel your body, you won't grow.</p>
<p>Yes, too much of anything will cause fat gain.. </p>
<p>Theoretically, you can gain muscle on lifting days by eating in a caloric excess, and on the days you rest you can lost fat, but this takes a very long time. It's no different for newbies, the only thing is they can do this faster.. it's known as a body recomp. </p>
<p>The fact is, when you lose fat, you are in a caloric deficit - when you're in a deficit, it is most likely impossible to build muscle, because in order to add mass to your body, you need to be eating in a caloric excess :/ So it sort of contradicts itself...</p>
<p>Then again I could be completely wrong, I'm not a nutritionist..</p>