Protein timing around training: what matters and what doesn't

Updated 25 October 2026 · General information, not medical advice

Protein timing gets a lot of attention: the shake within 30 minutes, the protein before bed, the fear of “losing gains” if a session runs late and dinner is delayed. The research is calmer than the marketing. How much protein you eat across the day matters far more than the exact minute you eat it. Timing is a second-order detail, but on a cut, when total food is lower, a sensible spread does help.

This is general information for healthy adults who train. It is not medical or nutrition advice. If you have kidney disease or another medical condition, are pregnant, are under 18, or have a history of disordered eating, talk to a qualified professional before changing how you eat.

The short answer

Hit a daily protein total first. Everything else is fine-tuning.
Split that total over three to five meals, a few hours apart, rather than one or two big ones.
Have a protein-containing meal within a few hours either side of training. No stopwatch needed.
Keep protein the same on rest days. Repair carries on when you are not training.

Daily total comes first

The ISSN position stand on protein and exercise (Jäger 2017) puts 1.4 to 2.0 grams per kilogram of body weight per day as enough for most people who exercise, and says higher intakes may help hold on to lean mass in a calorie deficit. A large meta-analysis by Morton and colleagues (2018) found that the benefit of extra protein for strength-training gains levelled off at around 1.6 grams per kilogram per day, with some people likely to benefit from a little more. For lean athletes who are dieting, Helms 2014 suggests aiming higher, which works out at roughly 1.8 to 2.2 grams per kilogram of body weight.

That is why PlatePace keeps protein fixed by goal rather than by day type: 2.0 grams per kilogram when cutting, 1.8 when recomping, 1.6 at maintenance. Carbohydrate is the macro that moves with your sessions; protein is the steady one.

Is there a post-workout window?

The idea of a narrow “anabolic window” came from short-term lab studies. When Schoenfeld, Aragon and Krieger (2013) pooled the training studies, the apparent advantage of eating protein right after a session largely disappeared once total daily protein was accounted for. Aragon and Schoenfeld (2013) describe the window as much wider than once thought: if you ate a mixed meal with protein in the few hours before training, there is no rush afterwards.

The window is narrower if you train fasted, for example first thing in the morning without breakfast. In that case, eating soon after the session makes more sense, because it may have been many hours since your last protein.

How to spread it across the day

The ISSN statements suggest roughly 0.25 grams per kilogram per meal, or about 20 to 40 grams, every three to four hours as a practical way to cover the day. Kerksick 2017 also notes that around 30 to 40 grams of slowly digested protein before sleep is a reasonable option for some athletes, especially if training is late or the daily total is hard to reach.

Here is what that looks like for a 75 kg athlete on a cut, aiming for about 150 grams a day:

Time	Meal	Protein
07:00	Breakfast	35-40 g
12:30	Lunch	35-40 g
17:00	Session, then dinner within a couple of hours	35-40 g
21:30	Evening meal or snack	30-40 g

Four similar meals is easier to stick to than trying to fit 100 grams into dinner. It also tends to help with hunger, which matters more on a cut than any small effect on muscle protein synthesis.

What to do around a session

Before: a normal meal with protein and some carbohydrate one to three hours before is enough for most sessions. If you train early, a smaller snack works.
After: your next regular meal, ideally within a couple of hours. A shake is a convenience, not a requirement.
Hard days: the extra food on hard days should mostly be carbohydrate, not more protein. The guide on carb targets for hard and easy days covers how much.
Rest days: same protein, same spread. See rest day vs training day eating.

Common mistakes

Back-loading the day. A small breakfast, a light lunch and a huge dinner makes the daily target harder to hit and the afternoon session harder to fuel.
Panicking over a missed shake. If the session ran late and dinner is an hour after, that is fine.
Letting protein crowd out carbohydrate on hard days. On a cut, every gram counts. Above your daily protein target, extra protein does little for performance; carbohydrate does more for a hard session.

Log it once, then repeat it

Most people who hit a protein target every day do it by repeating a handful of meals they like. PlatePace is built around that: log a meal once, repeat it in one tap, and see the day’s protein against a target that does not change with the session type. If you are recomping rather than cutting, the recomp nutrition guide covers how the rest of the day changes. All targets are estimates shown as ranges, not prescriptions. See the FAQ for what the first version does.

Sources

Jäger R, et al. International Society of Sports Nutrition (ISSN) position stand: protein and exercise. J Int Soc Sports Nutr. 2017;14:20.
Kerksick CM, et al. International Society of Sports Nutrition position stand: nutrient timing. J Int Soc Sports Nutr. 2017;14:33.
Aragon AA, Schoenfeld BJ. Nutrient timing revisited: is there a post-exercise anabolic window? J Int Soc Sports Nutr. 2013;10:5.
Schoenfeld BJ, Aragon AA, Krieger JW. The effect of protein timing on muscle strength and hypertrophy: a meta-analysis. J Int Soc Sports Nutr. 2013;10:53.
Morton RW, et al. A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults. Br J Sports Med. 2018;52(6):376-384.
Helms ER, Aragon AA, Fitschen PJ. Evidence-based recommendations for natural bodybuilding contest preparation: nutrition and supplementation. J Int Soc Sports Nutr. 2014;11:20.