How much protein should I eat per meal?

A Answers (1)

  • A , Fitness, answered
    There's a popular (mis)belief that the human body can't absorb more than 30 grams of protein per meal. The science refutes this.

    Researchers in France have found that eating protein all at once can be just as well absorbed as spreading it out over your day. A group of 26-year-old women were given either 80% of their protein for the day at one meal or spread over multiple meals. After two weeks, there was no difference between the subject and control groups in terms of nitrogen balance, whole-body protein turnover, whole-body protein synthesis, or protein breakdown.

    In both subjects and controls, the amount of protein given was 1.7 grams of protein per kilogram of fat-free mass per day. This means that, for a 26-year-old, 125-pound woman, eating 77 g of protein in one meal had the same effects as spreading it out.

    The experiment was then repeated in older subjects, with whom, it turns out, eating protein all at once can actually lead to better protein retention. Giving elderly women 80% of their protein for the day at one meal over a period of two weeks led to almost 20% more synthesis and retention of protein compared to dividing it into smaller doses.

    So it appears that daily total protein is more important than per-meal protein.

    A good rule of thumb for daily intake, and a safe range based on the literature, is 0.8–2.5 grams of protein per kilogram of bodyweight. For muscular gain, I suggest at least 1.25 grams per pound of current lean bodyweight, which means you subtract your bodyfat first. Here are a few examples:
    • 100 lbs of lean mass = 125 grams of protein
    • 110 lbs = 137.5 g
    • 120 lbs = 150 g
    • 130 lbs = 162.5 g
    • 140 lbs = 175 g
    • 150 lbs = 187.5 g
    • 160 lbs = 200 g
    • 170 lbs = 212.5 g
    • 180 lbs = 225 g
    • 190 lbs = 237.5 g
    • 200 lbs = 250 g
This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.
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