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  1. #1
    Registered User gazza81's Avatar
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    protein requirements

    im just wondering if anyone can tell me the protein requirements per day to build muscle, i read 1g per lb of lbm, 1lb per 1lb of body weight ie 170lb man having 170g and even 1g per kg of body weight.

    ive always stuck to 1g per lb of body weight, but im thinking do i really need this much?

    im 170lbs and trying to slowly add muscle i prob get around 200g protein at the min 250ish carbs 75ish fat
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  2. #2
    Chasing cats since 1967 WonderPug's Avatar
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    Click here and in summary:

    Tarnopolsky et al. (1992) observed no differences in whole body protein synthesis or indexes of lean body mass in strength athletes consuming either 0.64g/lb or 1.10g/lb over a 2 week period. Protein oxidation did increase in the high protein group, indicating a nutrient overload.

    Walberg et al. (1988) found that 0.73g/lb was sufficient to maintain positive nitrogen balance in cutting weightlifters over a 7 day time period.

    Tarnopolsky et al. (1988) found that only 0.37g/lb was required to maintain positive nitrogen balance in elite bodybuilders (over 5 years of experience, possible previous use of androgens) over a 10 day period. 0.45g/lb was sufficient to maintain lean body mass in bodybuilders over a 2 week period. The authors suggested that 0.55g/lb was sufficient for bodybuilders.

    Lemon et al. (1992) found no differences in muscle mass or strength gains in novice bodybuilders consuming either 0.61g/lb or 1.19g/lb over a 4 week period. Based on nitrogen balance data, the authors recommended 0.75g/lb.

    Hoffman et al. (2006) found no differences in body composition, strength or resting hormonal concentrations in strength athletes consuming either 0.77g/lb or >0.91g/lb over a 3 month period.


    Also see:

    Effect of protein intake on strength, body composition and endocrine changes in strength/power athletes. Hoffman JR, Ratamess NA, Kang J, Falvo MJ, Faigenbaum AD. J Int Soc Sports Nutr. 2006 Dec 13;3:12-8.

    Macronutrient content of a hypoenergy diet affects nitrogen retention and muscle function in weight lifters. Walberg JL, Leidy MK, Sturgill DJ, Hinkle DE, Ritchey SJ, Sebolt DR. Int J Sports Med. 1988 Aug;9(4):261-6.

    Protein requirements and muscle mass/strength changes during intensive training in novice bodybuilders. Lemon PW, Tarnopolsky MA, MacDougall JD, Atkinson SA. J Appl Physiol. 1992 Aug;73(2):767-75.

    Influence of protein intake and training status on nitrogen balance and lean body mass. Tarnopolsky MA, MacDougall JD, Atkinson SA. J Appl Physiol. 1988 Jan;64(1):187-93.

    Dietary protein for athletes: From requirements to optimum adaptation. Phillips SM, Van Loon LJ. J Sports Sci. 2011;29 Suppl 1:S29-38.

    Protein and amino acid metabolism during and after exercise and the effects of nutrition. Rennie MJ, Tipton KD. Annu Rev Nutr. 2000;20:457-83.

    Hartman, J. W., Moore, D. R., & Phillips, S. M. (2006). Resistance training reduces whole-body protein turnover and improves net protein retention in untrained young males. Applied Physiology, Nutrition and Metabolism, 31, 557–564.

    Moore, D. R., Del Bel, N. C., Nizi, K. I., Hartman, J. W., Tang, J. E., Armstrong, D. et al. (2007). Resistance training reduces fasted- and fed-state leucine turnover and increases dietary nitrogen retention in previously untrained young men. Journal of Nutrition, 137, 985–991.

    Effects of exercise on dietary protein requirements. Lemon PW. Int J Sport Nutr. 1998 Dec;8(4):426-47.

    Effects of high-calorie supplements on body composition and muscular strength following resistance training. Rozenek R, Ward P, Long S, Garhammer J. J Sports Med Phys Fitness. 2002 Sep;42(3):340-7.

    Increased protein maintains nitrogen balance during exercise-induced energy deficit. Pikosky MA, Smith TJ, Grediagin A, Castaneda-Sceppa C, Byerley L, Glickman EL, Young AJ. Med Sci Sports Exerc. 2008 Mar;40(3):505-12.

    Dietary carbohydrate-to-fat ratio: influence on whole-body nitrogen retention, substrate utilization, and hormone response in healthy male subjects. McCargar LJ, Clandinin MT, Belcastro AN, Walker K. Am J Clin Nutr. 1989 Jun;49(6):1169-78.

    Macronutrient Intakes as Determinants of Dietary Protein and Amino Acid Adequacy. Millward, DJ. J. Nutr. June 1, 2004 vol. 134 no. 6 1588S-1596S.
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  3. #3
    Registered User gazza81's Avatar
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    Originally Posted by WonderPug View Post
    Click here and in summary:

    Tarnopolsky et al. (1992) observed no differences in whole body protein synthesis or indexes of lean body mass in strength athletes consuming either 0.64g/lb or 1.10g/lb over a 2 week period. Protein oxidation did increase in the high protein group, indicating a nutrient overload.

    Walberg et al. (1988) found that 0.73g/lb was sufficient to maintain positive nitrogen balance in cutting weightlifters over a 7 day time period.

    Tarnopolsky et al. (1988) found that only 0.37g/lb was required to maintain positive nitrogen balance in elite bodybuilders (over 5 years of experience, possible previous use of androgens) over a 10 day period. 0.45g/lb was sufficient to maintain lean body mass in bodybuilders over a 2 week period. The authors suggested that 0.55g/lb was sufficient for bodybuilders.

    Lemon et al. (1992) found no differences in muscle mass or strength gains in novice bodybuilders consuming either 0.61g/lb or 1.19g/lb over a 4 week period. Based on nitrogen balance data, the authors recommended 0.75g/lb.

    Hoffman et al. (2006) found no differences in body composition, strength or resting hormonal concentrations in strength athletes consuming either 0.77g/lb or >0.91g/lb over a 3 month period.


    Also see:

    Effect of protein intake on strength, body composition and endocrine changes in strength/power athletes. Hoffman JR, Ratamess NA, Kang J, Falvo MJ, Faigenbaum AD. J Int Soc Sports Nutr. 2006 Dec 13;3:12-8.

    Macronutrient content of a hypoenergy diet affects nitrogen retention and muscle function in weight lifters. Walberg JL, Leidy MK, Sturgill DJ, Hinkle DE, Ritchey SJ, Sebolt DR. Int J Sports Med. 1988 Aug;9(4):261-6.

    Protein requirements and muscle mass/strength changes during intensive training in novice bodybuilders. Lemon PW, Tarnopolsky MA, MacDougall JD, Atkinson SA. J Appl Physiol. 1992 Aug;73(2):767-75.

    Influence of protein intake and training status on nitrogen balance and lean body mass. Tarnopolsky MA, MacDougall JD, Atkinson SA. J Appl Physiol. 1988 Jan;64(1):187-93.

    Dietary protein for athletes: From requirements to optimum adaptation. Phillips SM, Van Loon LJ. J Sports Sci. 2011;29 Suppl 1:S29-38.

    Protein and amino acid metabolism during and after exercise and the effects of nutrition. Rennie MJ, Tipton KD. Annu Rev Nutr. 2000;20:457-83.

    Hartman, J. W., Moore, D. R., & Phillips, S. M. (2006). Resistance training reduces whole-body protein turnover and improves net protein retention in untrained young males. Applied Physiology, Nutrition and Metabolism, 31, 557–564.

    Moore, D. R., Del Bel, N. C., Nizi, K. I., Hartman, J. W., Tang, J. E., Armstrong, D. et al. (2007). Resistance training reduces fasted- and fed-state leucine turnover and increases dietary nitrogen retention in previously untrained young men. Journal of Nutrition, 137, 985–991.

    Effects of exercise on dietary protein requirements. Lemon PW. Int J Sport Nutr. 1998 Dec;8(4):426-47.

    Effects of high-calorie supplements on body composition and muscular strength following resistance training. Rozenek R, Ward P, Long S, Garhammer J. J Sports Med Phys Fitness. 2002 Sep;42(3):340-7.

    Increased protein maintains nitrogen balance during exercise-induced energy deficit. Pikosky MA, Smith TJ, Grediagin A, Castaneda-Sceppa C, Byerley L, Glickman EL, Young AJ. Med Sci Sports Exerc. 2008 Mar;40(3):505-12.

    Dietary carbohydrate-to-fat ratio: influence on whole-body nitrogen retention, substrate utilization, and hormone response in healthy male subjects. McCargar LJ, Clandinin MT, Belcastro AN, Walker K. Am J Clin Nutr. 1989 Jun;49(6):1169-78.

    Macronutrient Intakes as Determinants of Dietary Protein and Amino Acid Adequacy. Millward, DJ. J. Nutr. June 1, 2004 vol. 134 no. 6 1588S-1596S.


    thanks! very helpfull, so this leads on to my next question that if i lower my protein then of course my carbs and/or fat intake will go up, prob my carbs as ill up the oats i have for breaky will this in any way add to fat gains if im eating a 300 surplus, as ill be having more carbs,more stored energy!

    im trying to add mass with as little fat as possible, and just thought that by keeping the carbs abit lower i would be limiting fat gains?
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  4. #4
    Chasing cats since 1967 WonderPug's Avatar
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    Simply meet protein and fat requirements, with your remaining caloric budget composed from whatever mix of macronutrients you prefer.
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  5. #5
    Mr. Fluff cumminslifter's Avatar
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    Originally Posted by gazza81 View Post
    thanks! very helpfull, so this leads on to my next question that if i lower my protein then of course my carbs and/or fat intake will go up, prob my carbs as ill up the oats i have for breaky will this in any way add to fat gains if im eating a 300 surplus, as ill be having more carbs,more stored energy!

    im trying to add mass with as little fat as possible, and just thought that by keeping the carbs abit lower i would be limiting fat gains?
    carbs do not make you fat, a caloric surplus is what adds weight
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