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Can supplementing daily with L-Lucine (BCAA) lead to excessive protein in my system?

Answered on August 19, 2014
Created October 17, 2012 at 5:08 PM

I supplement with the BCAA L-Luecine daily. I am concerned that may cause excessive protein production in my system, which would kick me out of ketosis. I realize L-Luecine is an amino acid and only a "building block" of protein, but if I am already consuming 60grams of protein daily, should I ditch the supplement?

4164a77c7ccf4839ec7f1e665d27cc6d

(1085)

on October 17, 2012
at 06:55 PM

I try to hit 1 gram protein per pound of lean body mass. Lean Body Mass = Body Weight – (Body Weight x Body Fat %). For me, @ 180lbs and 15% BF that is 153 grams of protein. I find that it puts me in a good ballpark and I have been making steady progress. My BF% is estimated.

F44d0da1d8757028535836c2d22caac6

(83)

on October 17, 2012
at 05:52 PM

I weigh 192lbs. .37 X 192 = 71.04 grams, so I guess my intake is a little low. What formula do you use to calculate your protein requirement?

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2 Answers

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4164a77c7ccf4839ec7f1e665d27cc6d

(1085)

on October 17, 2012
at 05:30 PM

Even with your BCAA supplement, I dont think you are in danger of having excess protein in your system if you are only consuming 60 grams of protein daily. 60 grams is pretty low IMO--unless of course, you only weigh 60 pounds.

4164a77c7ccf4839ec7f1e665d27cc6d

(1085)

on October 17, 2012
at 06:55 PM

I try to hit 1 gram protein per pound of lean body mass. Lean Body Mass = Body Weight – (Body Weight x Body Fat %). For me, @ 180lbs and 15% BF that is 153 grams of protein. I find that it puts me in a good ballpark and I have been making steady progress. My BF% is estimated.

F44d0da1d8757028535836c2d22caac6

(83)

on October 17, 2012
at 05:52 PM

I weigh 192lbs. .37 X 192 = 71.04 grams, so I guess my intake is a little low. What formula do you use to calculate your protein requirement?

0
7bf306ada57db47547e9da39a415edf6

(11214)

on October 17, 2012
at 07:22 PM

Leucine is one of the amino acids that is ketogenic: Ketogenic diets: ways to make a diet ketogenic Now, the paleo (and/or peatarian) criticism of this approach is that we don't know what horrible things could happen by eating leucine in isolation. There is also the question of whether or not what Paul Jaminet suggests will really work- will adding these foods really overcome the higher level of carbohydrates he's proposing. This would be a fun test to do if the price of blood ketone strips ever comes down.

But in terms of what you asked, any excess leucine is getting turned into ketones.

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