How Much Protein Do Older Adults Need?
The standard protein recommendation of 0.8 grams per kilogram of body weight per day was set to prevent deficiency, not to preserve muscle. For adults over 60, that bar is almost certainly too low.
Why protein needs increase with age
Sarcopenia, the age-related loss of muscle mass and strength, accelerates from around the mid-50s. The body becomes less efficient at converting dietary protein into muscle (a process called anabolic resistance). More protein is needed to produce the same muscle-building signal as in younger adults.
What the research suggests
- The standard RDA of 0.8 g/kg/day is a minimum to prevent deficiency, not an optimal target for older adults.
- Multiple studies and expert reviews support 1.2 to 1.6 g/kg/day to maintain muscle in older adults.
- Some research suggests up to 2.0 g/kg/day may benefit those doing regular resistance training.
- Anyone with kidney conditions should follow their doctor's guidance on protein intake.
The importance of spreading protein across meals
Older adults benefit particularly from distributing protein across three meals rather than concentrating it in one or two. Research suggests 30 to 40 grams per meal may be needed to maximally stimulate muscle protein synthesis in older adults, compared to around 20 to 25 grams in younger people.
The best protein sources for older adults
- Animal sources: chicken breast, fish (especially oily fish), eggs, dairy (Greek yogurt, cottage cheese). These are complete proteins and generally easy to absorb.
- Plant sources: legumes, tofu, tempeh, edamame. Combine sources to ensure all essential amino acids are covered.
- Leucine-rich foods: leucine is the amino acid most responsible for triggering muscle protein synthesis. Dairy and meat are particularly rich sources.
Protein and resistance training
Protein works best alongside resistance exercise. Even light to moderate resistance training in older adults significantly improves the muscle response to protein. Both are needed: protein without exercise produces a smaller benefit, and exercise without adequate protein limits adaptation.
Protein Tracker makes it easy to log protein across each meal and see daily totals, so you can confirm you are hitting the higher targets relevant for older adults. For a list of the most protein-dense foods, see the guide to best high-protein foods.
Common questions
- How much protein does a 70-year-old need per day?
- Research supports 1.2 to 1.6 grams of protein per kilogram of body weight per day for older adults to maintain muscle mass. For a 70 kg person, that is 84 to 112 grams per day. A healthcare provider or dietitian can advise on individual targets.
- Does protein help prevent muscle loss with age?
- Yes. Adequate dietary protein, especially when combined with resistance exercise, is the primary nutritional strategy for slowing sarcopenia (age-related muscle loss). Both the amount and distribution across meals matter.
- Is too much protein bad for older adults?
- For most healthy older adults, higher protein intake in the ranges discussed is safe. Those with kidney disease should follow their doctor's guidance, as protein restriction may be advised in that context. Otherwise, meeting higher targets is generally well-tolerated.