| Today’s letter |
| The ten grams at breakfast that may keep your strength |
| There is a thing all over my feed this summer where women film themselves eating thirty grams of protein before they have even sat down. Somebody in the comments always calls it extreme. Every time one of those videos comes up, I think about my aunt Ruth and her breakfast, which for about thirty years was black coffee and one slice of toast. Sometimes half a grapefruit, if she was being good. |
| Ruth worked the front desk at a dental office until she was seventy-one. The year she retired, she started having trouble with jar lids. Then the stairs at her sister’s place gave her trouble too, and she used to take those two at a time. She was eating less than anyone I knew, and getting weaker anyway. One afternoon in her kitchen she asked me something I have never forgotten. |
| “When did I get this weak?” |
| Ruth was not a delicate person. She raised two boys mostly alone, she drove herself to every appointment, and she never once called in sick in thirty-four years at that office. Whatever she decided to do, she did. What she could not do was hold on to her own muscle, and nobody ever told her that was a separate problem from her weight. |
| The advice she followed her whole life was to keep breakfast small. Save your appetite. Have your big meal at night with the family, and do not eat like a truck driver at seven in the morning. She followed it in good faith, because a nurse told her once that women her age needed less food, and that sounded true. When her arms got thin and her legs got tired, she filed it under letting herself go. |
| Here’s what gets me. |
| None of it was her fault. She was following the instructions she was given, and the instructions had the clock wrong. |
| Let me show you how I know. Not with my opinion, and not with a video from my feed, but with a study on forty women about Ruth’s age. |
| Researchers in Japan took forty women, average age just under seventy, who all ate less protein at breakfast than older muscle appears to need. Every woman got the same small supplement for twelve weeks, ten grams of milk protein. Some took it in the morning. Others took the same thing at night. |
| Nothing else changed. Same supplement, same twelve weeks, same daily routines. Only the hour on the clock was different, and at the end the researchers measured the muscle in their arms and legs. |
| What they found |
| Randomized controlled trial, 2021. Kim et al., Frontiers in Nutrition. |
| The ten grams at night (they lost) |
| After twelve weeks, the evening group had a little less muscle than when they started, from 5.51 down to 5.45. They called it a downward trend rather than a certainty. |
| The ten grams at breakfast (they gained) |
| Their numbers went the other way, from 5.69 up to 5.85, and the morning group came out ahead of the evening group on muscle change. |
| Same amount of protein, same twelve weeks. The clock was the only thing that changed. |
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| In other words, your body may not count protein by the day… it appears to count it meal by meal, and the meal most of us skip is the one that counts first. |
| Ruth’s willpower had nothing to do with her arms. Yours has nothing to do with this either. |
| So why would ten grams at eight in the morning land differently than the same ten grams at eight at night? |
| Muscle is not a savings account. Your body builds it in short windows after a meal, and a window only opens if that one meal carries enough protein to open it. Somewhere in midlife the window gets harder to open, so the amount that used to be plenty stops being enough. Now look at how most of us eat. Almost three quarters of the protein Americans eat comes at lunch and dinner, according to the USDA, which leaves breakfast with whatever is left. You get one big load at seven at night, long after the day is over, and eleven hours of almost nothing in the morning. |
| Ruth never stood a chance at that breakfast table. Neither did you, I’d bet. |
| That’s the part no one says out loud… she was not eating too much. She was eating too little of one thing, at the wrong end of the day, for thirty years. |
