Nutrition & Supplements · Protein & age

How much protein you really need after 50

4 min read 2026-06-02 YUTHI Redaktion

As you age, the body responds less well to protein – and needs more of it, not less. How much protein makes sense after 50 and where to get it.

Why your needs increase with age

From around the age of thirty, people lose three to eight percent of their muscle mass every decade — and the rate accelerates after seventy. Experts call this loss sarcopenia. It's no minor issue: muscle mass is closely linked to ability to walk, fall risk, independence, and life expectancy.

The reason for higher protein needs is called anabolic resistance. As we age, muscle cells respond less efficiently to protein — it takes more amino acids to trigger the same muscle-building stimulus. So demand rises while intake for many people falls along with appetite. That gap is exactly what creates the problem.

How much is actually needed

The official reference value of 0.8 grams per kilogram of body weight comes from nitrogen balance studies in young adults and is now considered too low for older people. The PROT-AGE group led by Bauer recommended in 2013 that people over sixty-five consume 1.0 to 1.2 grams per kilogram per day.

In illness, after surgery, or with existing sarcopenia, the recommendation rises to 1.2 to 1.5 grams. The European specialist society ESPEN reached the same figures in 2014 under Deutz. For a person weighing seventy kilograms, that's seventy to one hundred and five grams of protein per day — considerably more than most people estimate.

How you spread it throughout the day matters too

For the muscle-building stimulus, it's not just the daily total that counts — it's the amount per meal. Below roughly twenty-five to thirty grams of protein per sitting, muscle protein synthesis barely gets going in older adults — the so-called leucine threshold is higher than in younger people.

A typical skewed pattern is: little protein at breakfast, little at lunch, a lot in the evening. Better is an even spread across three meals with twenty-five to forty grams each. Traylor and colleagues summarised in 2018 that this distribution measurably builds more muscle protein for the same total daily intake.

Where to get it from

Thirty grams of protein are found, for example, in 150 g of low-fat quark, 120 g of cottage cheese plus one egg, 100 g of chicken breast, 150 g of salmon, 200 g of lentils, or 150 g of tofu with a slice of wholegrain bread.

Plant-based sources require a slightly larger quantity and a good combination, because their amino acid profile is less favourable — legumes paired with grains make up for this. Whey protein is the fastest and most leucine-rich source and is therefore especially suitable in older age; a shake is particularly useful when appetite alone doesn't allow you to hit the target amount.

Protein alone isn't enough

Without strength training, most of the effect is lost. Protein provides the material; the training stimulus gives the signal. Two sessions per week with six to eight exercises for the major muscle groups is the most effective combination — even at eighty, and that's well supported by evidence.

Two caveats: if your kidney function is impaired, the amount of protein should be determined by a doctor, as different rules apply. And if you take diuretic medication or drink little, make sure you stay adequately hydrated. This content does not replace medical or nutritional therapy advice.

How the YUTHI app helps you

The app calculates your protein intake not just for the day as a whole, but per meal — and that's exactly where most people fall short. If you can see that breakfast is regularly coming in at eight grams, you can target that specifically rather than trying to fix everything at once.

Vito and Vita calculate your target from your weight and age and show it alongside your training data. If your protein intake is on track but strength training is missing, they'll tell you clearly — it's the combination that works, not just half of it.

Continue in the app

That was the snapshot. The app turns it into daily support.

Measure every day instead of calculating once: Vito or Vita puts your numbers in context, builds you a weekly plan and speaks up when something stands out.

Soon on theApp Store Soon onGoogle Play

Launching at the end of 2026 — iPhone first, Android to follow. Let me know when it’s out ↓