Protein · 3 min read
How Much Protein You Actually Need
Try it: Protein Target by Training Type — A daily target and per-meal split that changes with your training type and your deficit.
Protein is the one nutrition variable where getting it roughly right removes a whole category of problems, and where most people are further off than they believe.
The working range
For adults who train, roughly 1.6 to 2.2 grams per kilogram of bodyweight per day covers almost every situation. Within that range:
- Strength and hypertrophy training: upper half.
- Endurance training: lower half is usually sufficient, though it is higher than most endurance athletes actually eat.
- Little structured training: general health guidance for people who are not training in any structured way sits well below this range, around 0.8 to 1.2 g/kg.
The protein target calculator applies these by training type and phase and gives you a per-meal split.
Why a deficit raises the number
When energy is scarce, the body becomes more willing to break down muscle protein for fuel. Two things push back against that, and only one of them is dietary: higher protein intake, and continuing to lift. Neither is optional if you want the weight you lose to come mostly from fat.
This is the single most important thing to get right during a fat loss phase, and it is the thing most commonly neglected — because when calories are limited, protein is expensive in calorie terms and people quietly trade it away for foods that feel more satisfying.
Use bodyweight or a target weight?
Bodyweight works for most people. If you carry a lot of fat mass, calculating from a realistic target weight rather than your current one avoids producing a number that is both unnecessarily high and practically unreachable. Fat tissue does not need feeding with protein.
The per-meal question
Spread it across the day in doses of roughly 25 to 40 grams. This is a practical guideline rather than a strict rule — the reason is that each meal contributes more usefully to the daily total once it clears a meaningful threshold, and that a plan built from three or four solid doses is easier to hit than one built from constant grazing.
If your eating window is short, this is where the constraint bites. Two meals carrying 180 grams of protein means 90 grams each, which is a lot of food in one sitting. See hitting protein on a short window.
How to know if you are actually hitting it
Track honestly for one week. Not forever — one week. Weigh the food rather than estimating portions, and log everything including what you eat standing at the counter.
Self-reported intake is one of the most consistently unreliable measurements in nutrition — tracked studies routinely find people underreport what they actually eat by a wide margin, and protein is no exception. That gap is frequently the difference between a fat loss phase that preserves muscle and one that does not, and it is invisible without measuring once.
Is there a ceiling?
Practically, yes. Past the top of the range the extra grams displace carbohydrate and fat, which is where your training fuel and hormonal support come from. There is no benefit to be had and there is a cost. In healthy people, intakes in this range are not a kidney concern; if you have existing kidney disease, this is a conversation for your doctor rather than a website.
Practical sources, in grams
| Food | Portion | Protein |
|---|---|---|
| Chicken breast, cooked | 150 g | ~46 g |
| Lean beef, cooked | 150 g | ~40 g |
| Salmon, cooked | 150 g | ~38 g |
| Eggs | 3 large | ~19 g |
| Greek yoghurt, plain | 200 g | ~20 g |
| Cottage cheese | 200 g | ~24 g |
| Firm tofu | 200 g | ~24 g |
| Lentils, cooked | 200 g | ~18 g |
| Whey powder | 1 scoop | ~24 g |
If you eat mostly plants
Aim toward the upper end of the range and combine sources across the day. Plant proteins are generally lower in leucine and less complete individually, which is straightforwardly solved by eating more of them and eating a variety, not by anything complicated.
Questions I get asked
Do I need protein powder?
No. It is a convenient way to close a gap, particularly on a short eating window, and nothing more than that. Whole food covers it if the schedule allows.
Is too much protein bad for the kidneys?
In people with healthy kidneys, intakes in this range are not associated with harm. Existing kidney disease is a different situation and a medical conversation.
Read next
- Protein Timing: What Matters and What Was Oversold The anabolic window, per-meal doses and protein before bed, ranked by how much difference each one actually makes next to your daily total.
- Hitting Your Protein Target on a Short Eating Window A four or six hour window and a 180 gram target do not automatically fit together. Here is how to make them fit, and when to widen the window instead.
- Strength Training While in a Calorie Deficit What to expect from your lifts during a fat loss phase, what to change in the programme, and which numbers you should stop chasing entirely.