T Nation

Eating under maintainance

If you are eating under maintainence, does the macronutrient ratios matter? Would’t 100% of the calories be burned as fuel (plus more from your body)?

How does it protein build muscle if you are eating under maintainence?

Hypothetically, if your diet is 100% fat but still under maintainance calories, would you still lose weight?

Bump. Good question. I’ve been wondering this myself.

Yes & it depends.

Burning more than you eat will lead to weightloss. The macronutrient profile will determine which type of weight you lose, whether fat, LBM (muscles, organs) or water. If you ate say 100% RMR of just carbs or just fat you would lose all the weight as muscle. There’s nothing to keep the muscle from breaking down or to build the muscle. If you ate 100% as protein you would lose fat.

This is NOT advocating a 100% protein diet. It’s just explaining that calories in matter but so does how you burn them. If you’re trying to lose bodyfat then a <15% carb diet is one choice. I’m finding that low carb diet is better at getting rid of fat. There is the adjustment period while your body reestablishes its “water weight” but then the fat comes off rather nicely.

Hope it answered some. Croooz

Keep in mind, the most important factor would be individual genetic level
then the next biggest factor would be how you control the insulin levels.
a la keto or high protein

keto or a modified keto approach with refeeds are essential to which loss you get

Leptin figures primarly in SUBCUTANEOUS fat loss
Insulin Resistance/Sensitivity is the primary player in VISCERAL fat loss

Pick your gear

Vain

Thanks for the feedback.

Crooz, you mentioned:


“If you ate say 100% RMR of just carbs or just fat you would lose all the weight as muscle. There’s nothing to keep the muscle from breaking down or to build the muscle.”

Can you please elaborate on this? Does muscle breakdown 24 hours a day? Thanks

Where ya been bro? Nice to see you posting every now and then…