Protein Needs After 70

After 70, the protein conversation often shifts from setting an ideal target to checking whether meals are still supplying enough. Humanic Blue is looking at the practical barriers: a smaller appetite, a hospital stay or difficulty shopping and cooking can quietly cut intake at the age when muscle is harder to rebuild.

There is no new protein threshold at 70. The PROT-AGE expert group recommends 1.0 to 1.2 grams per kilogram of body weight per day for generally healthy people over 65 and 1.2 to 1.5 g/kg/day during many illnesses. For someone weighing 150 pounds, the first range is roughly 68 to 82 grams a day. That 2013 consensus is not the same as an established individual requirement or the newer US guideline target. The more actionable issue is nutritional risk during illness and recovery. A 2026 Cochrane analysis found low-certainty evidence that oral nutrition formulas may reduce 30-day mortality in hospitalized adults aged 65 or older who had or were at risk of malnutrition; evidence for added protein alone was very uncertain. Chronic kidney disease may require a lower target. For living longer and better after 70, guidance from the European Society for Clinical Nutrition and Metabolism (ESPEN) emphasizes screening for undernutrition and matching support to the actual problem.

How much do the protein targets change after 70?

The PROT-AGE numbers apply from 65 onward. How they translate into grams, and how they vary by situation, is covered in Protein Needs After 60. Per-meal amounts are in Protein Needs After 50.

The 2022 ESPEN practical guideline describes malnutrition and dehydration as common in older populations and recommends routine malnutrition screening. Risk is not created by a birthday: illness, appetite loss, swallowing or chewing difficulty, medication burden, isolation and inability to shop or cook can all change intake. A screening result is a prompt for assessment, not a diagnosis by itself.

Can nutrition support help when intake falls short?

A 2026 Cochrane analysis comparing nutrition interventions combined 21 trials in hospitalized adults aged 65 or older; mean ages across trials ranged from 75 to 85. Interventions included added protein, energy supplements, oral nutrition formulas, feeding support and comprehensive individualized nutrition care. Compared with control, oral nutrition formulas were associated with an estimated 54% lower 30-day mortality and 44% fewer serious adverse events, but both findings were graded low certainty because each comparison contained limited studies and participants. Length of stay did not clearly improve.

This result should not be translated into protein powder saving lives. Only three studies tested added protein, and evidence for most protein-specific outcomes was very uncertain; one comparison of nonfat tissue involved fewer than 20 people. The formulas contained energy and other nutrients, and the hospitalized populations had diverse acute and chronic conditions.

Signs worth raising with a clinician include unplanned weight loss, clothes getting looser, smaller meals, skipped meals or difficulty chewing and swallowing.

What happens in the hospital and after?

During a hospital stay. The EFFORT trial, run in eight Swiss hospitals, assigned medical inpatients at nutritional risk, who were not critically ill, to comparison groups; their mean age was 72, although adults 18 and older were eligible. Dietitians set individualized calorie and protein goals and used menu changes, oral formulas, tube feeding or intravenous nutrition as needed. By 30 days, 7% of the intervention group and 10% of the standard-care group had died; the study’s main measure, which counted several adverse outcomes together, occurred in 23% and 27%. Participants and care teams knew which treatment they received. This supports individualized nutrition care for at-risk medical inpatients, not a protein-only effect. The Swiss National Science Foundation funded the trial.

After discharge. Iceland’s HOMEFOOD trial assigned adults aged 66 to 95 who were at nutritional risk after hospital discharge to comparison groups. The person assessing outcomes did not know the group assignments. Over six months, the intervention group received five home visits, three phone calls and free delivery of energy- and protein-dense foods and oral formulas. It gained an average 1.7 kg, while the standard-care group lost 3.5 kg; physical-performance scores improved only in the intervention group. The trial was small, had a sex imbalance between groups and tested an intensive package, not protein alone.

Which findings concern nutrition support during hospitalization, and which concern support afterward?

Frailty and sarcopenia

Frailty means reduced ability to recover from stresses such as illness. Sarcopenia is loss of muscle mass and strength. They can overlap, but the trials below studied different groups and products.

Frail older adults. In a 24-week Dutch trial, a small group of frail older people took 15 grams of milk protein at breakfast and lunch or a placebo. Scores on the Short Physical Performance Battery (SPPB) rose from 8.9 to 10.0 points in the protein group and did not change with placebo. This test combines walking speed, chair stands and balance on a 0-to-12 scale, with higher scores indicating better performance; muscle mass did not change in either group. The small study was conducted through Top Institute Food and Nutrition, an industry–academic partnership, and does not establish effects on falls, disability or survival.

Sarcopenia. In the 13-week PROVIDE trial, adults aged 65 or older with low muscle mass and reduced physical performance received twice-daily whey protein plus leucine and vitamin D or an equal-calorie control. Grip strength and overall performance improved similarly in both groups. The intervention produced a small 0.17-kilogram advantage in muscle mass in the arms and legs and roughly a one-second advantage in chair-rise time. Danone Nutricia Research funded the study, supplied the products, randomized participants and was involved at every study stage; some authors were company employees. The combined product also prevents attributing the result to protein alone.

The larger picture on supplements is covered in Protein Needs After 60: pooled trials found no benefit for healthy older people, but gains for people living with long-term conditions.

How would a gain in physical performance differ from a gain in muscle mass?

If you have kidney disease

The current 2024 Kidney Disease: Improving Global Outcomes (KDIGO) guideline suggests 0.8 g/kg/day for adults with chronic kidney disease (CKD) stages G3–G5, spanning moderate to advanced loss of kidney function, and advises those at risk of progression to avoid more than 1.3 g/kg/day. It also cautions against low-protein diets in people whose metabolism is unstable during illness and weighs the risks of malnutrition and age-related muscle loss. Dialysis can increase protein needs. A nephrologist or renal dietitian should set the target.