Protein and Nutrition After 50
Written by: FitLife Hub Editorial Team | Last updated: October 31, 2026
When you start moving more and trying to lose weight after 40 or 50, there is one thing that matters as much as the exercise itself: what you eat to protect your muscle. Our bodies slowly lose muscle as we age, and a careless diet can make that loss faster. The goal is to lose fat while keeping, or even rebuilding, the muscle you need to stay strong, steady, and independent.
This guide explains in plain language how much protein you may need, how to spread it through your day, how to handle calories and hydration, which nutrients deserve attention after 50, and how to pair all of this with gentle strength exercise.
Medical note: This article is general information, not medical advice. Food and protein needs differ from person to person, especially with kidney disease, diabetes, heart disease, or other conditions. Talk to your doctor or a registered dietitian before changing your diet or taking supplements.
Quick answer
- Protein: an international expert group (PROT-AGE) recommends that healthy older adults eat at least 1.0 to 1.2 grams of protein per kilogram of body weight per day, more if they exercise or are ill. People with severe kidney disease may need less.
- Calories: aim for a small, steady deficit if you want to lose weight. Crash diets cost you muscle.
- Exercise: food protects muscle, but strength exercise (even seated) tells your body to keep it.
- Check first: if you are underweight, have lost weight without trying, or have a medical condition, see your doctor before dieting.
In this guide
Why Muscle Matters After 40 and 50
Muscle is not only about looks or lifting weights. It helps you stand up from a chair, climb stairs, carry shopping, keep your balance, and recover from illness. With age, the body also becomes less responsive to the protein you eat, a change that experts sometimes call anabolic resistance. That is why older adults generally need more protein per kilogram of body weight than younger adults, not less.
When you lose weight, you lose some muscle along with fat unless you take steps to protect it. The two most useful steps are eating enough protein and doing regular muscle-strengthening exercise. The CDC recommends muscle-strengthening activity on at least 2 days a week for adults 65 and older. If you are new to this, our chair exercises for seniors weight loss guide is a safe place to start.
How Much Protein Do You Need?
The standard government minimum for adults, 0.8 grams per kilogram of body weight, was designed to prevent deficiency, not to help older people keep their muscle. The PROT-AGE Study Group, an international group of geriatric and nutrition experts, concluded that older people (over 65) need more. Their recommendation is an average daily intake of at least 1.0 to 1.2 grams of protein per kilogram of body weight. They advise higher intake, around 1.2 g/kg or more, for people who exercise and are otherwise active, and note that people with acute or chronic illness often need more still.
There is one important exception. Older people with severe kidney disease who are not on dialysis may need to limit protein. If you have kidney problems, follow your doctor's advice, not the table below.
| Your weight | Protein per day (1.0 to 1.2 g/kg) |
|---|---|
| 60 kg (132 lb) | 60 to 72 g |
| 70 kg (154 lb) | 70 to 84 g |
| 80 kg (176 lb) | 80 to 96 g |
| 90 kg (198 lb) | 90 to 108 g |
To convert pounds to kilograms, multiply by 0.45. If your weight is well above a healthy range, ask a dietitian whether to use your current weight or a target weight for the calculation. These are general ranges. Your doctor or dietitian may suggest more or less depending on your health.
Spreading protein through the day
Most people find it easiest to reach their total by eating a good portion of protein at each main meal, roughly 25 to 30 g each for three meals, rather than a small breakfast and a huge dinner. Research on the ideal timing is still limited, so what matters most is your total over the day and that you can keep it up comfortably.
Best Protein Foods and an Example Day
The amounts below are approximate and vary by brand and cooking method. Check labels when you can.
| Food | Approximate protein |
|---|---|
| 1 large egg | about 6 g |
| 100 g cooked chicken breast | about 30 g |
| 100 g canned tuna, drained | about 25 g |
| 100 g cooked salmon | about 22 g |
| 150 g plain Greek yogurt | about 13 to 15 g |
| 100 g cottage cheese | about 11 g |
| 100 g firm tofu | about 10 to 14 g |
| Half a cup (about 100 g) cooked lentils | about 9 g |
| 1 glass (250 ml) of milk | about 8 g |
Example day: about 90 to 95 g of protein
This is an example for someone around 80 kg. It is not a prescription, only a picture of how the numbers add up.
- Breakfast: 2 eggs, plus Greek yogurt with fruit (about 26 g)
- Lunch: tuna salad with beans or whole-grain bread (about 28 g)
- Snack: cottage cheese with fruit (about 11 g)
- Dinner: baked salmon, lentils, and vegetables (about 31 g)
If chewing is difficult or your appetite is small, softer protein foods (eggs, yogurt, cottage cheese, fish, tofu, soups with beans or lentils) and a protein shake can help. A shake is a convenience, not a requirement. Check the label for added sugar and salt.
Calories and Weight Loss Without Losing Muscle
To lose weight, you need to eat a little less than your body uses. For older adults, the aim is a small, steady deficit, not a crash diet. Very low-calorie diets can cost you muscle, strength, and energy, and they are not appropriate without medical supervision. Many health organizations describe a gradual loss of about 0.5 to 1 kg (1 to 2 lb) per week as a safe pace for adults, and slower is often more realistic. Agree on a target with your doctor.
To estimate how many calories you use, try our BMR and TDEE calculator and then our calorie deficit calculator. These give estimates only, so treat the numbers as a starting point.
An important warning: if you are underweight, or you have lost weight without trying, do not diet. Talk to your doctor. Unplanned weight loss in older adults can be a sign of a health problem, and the right goal in that case may be to eat more, not less.
Carbohydrates and Healthy Fats
Protein is the star of this guide, but your body also needs fuel and fibre.
- Carbohydrates: choose vegetables, fruit, beans, lentils, oats, and whole grains. They give you energy for exercise and fibre for digestion. Go easy on sugary drinks, sweets, and white bread.
- Healthy fats: olive oil, nuts, seeds, avocado, and oily fish (such as salmon or sardines) are good choices. Fat is calorie-dense, so keep portions moderate if you are trying to lose weight.
Hydration
Our sense of thirst can weaken with age, so it is easy to drink too little. Needs vary with the weather, your activity level, your medications, and your health. Many adults do well with roughly 1.5 to 2 litres of fluids a day, mostly water, but the right amount is personal. Pale yellow urine is a simple sign that you are drinking enough.
If you have heart or kidney disease, or your doctor has limited your fluids, follow their advice. Drinking very large amounts of water is not better, and it can be harmful for some people.
Nutrients That Deserve Attention After 50
- Vitamin D and calcium: important for bones and muscle. Many older adults get less vitamin D from sunlight. Food sources include oily fish, fortified milk or plant milks, and yogurt.
- Vitamin B12: the body can absorb less of it with age. Food sources include fish, eggs, dairy, and fortified foods.
- Fibre: from vegetables, fruit, beans, and whole grains, for digestion and heart health.
- Potassium and magnesium: from vegetables, fruit, beans, nuts, and whole grains.
Do not start high-dose supplements on your own. Ask your doctor whether a blood test makes sense, and whether a supplement is right for you, especially if you take medication.
Put It Together With Gentle Strength Exercise
Protein works best together with exercise that asks your muscles to stay strong. You do not need a gym. Start with the 10-minute routine in our chair exercise guide, follow our 10-minute low-impact workout for beginners over 50, and track your sessions with the free 4-week chair workout tracker. You can also plan your meals with our custom meal planner.
Frequently Asked Questions
Can I build muscle and lose fat at the same time after 50?
It can happen, especially if you are new to strength training, eat enough protein, and do not cut calories too much. Progress is usually slower than in younger people, so judge success by strength and everyday function, not only by the scale.
Is a lot of protein bad for my kidneys?
For people with healthy kidneys, the amounts in this guide are generally considered appropriate by expert groups. People with kidney disease are different, and some need to limit protein. If you have kidney problems or are not sure, ask your doctor before increasing protein.
Is creatine worth taking?
Some studies suggest creatine may give a small extra benefit when combined with strength training in older adults, but it is not necessary and it is not suitable for everyone, particularly people with kidney disease. Ask your doctor before trying it.
Do I need a protein shake?
No. Food is enough for most people. A shake can be helpful if you have a small appetite, trouble chewing, or find it hard to reach your protein target. Choose one with little added sugar and check the label.
How much water should I drink?
Many adults do well with roughly 1.5 to 2 litres of fluids a day, but needs vary. Follow your doctor's advice if you have heart or kidney problems or take diuretics.
What should I eat before and after a light workout?
For a gentle session you rarely need anything special. If you feel hungry beforehand, a small snack such as a banana or yogurt is enough. Afterward, include a protein food at your next meal.
Final Thoughts
After 50, protecting your muscle is one of the most useful things you can do for your health, independence, and long-term weight control. Aim for enough protein at each meal, a small and steady calorie deficit if you want to lose weight, regular fluids, and gentle strength exercise. Start with one change this week, for example adding a protein food to breakfast, and build from there.
Sources
- Bauer J, et al. (2013). Evidence-based recommendations for optimal dietary protein intake in older people: a position paper from the PROT-AGE Study Group. Journal of the American Medical Directors Association, 14(8), 542-559.
- CDC: What Counts as Physical Activity for Older Adults
This article is for general education only and does not replace advice from your doctor or a registered dietitian.