What is a high protein diet for women?
For most women, a high protein diet means about 1.2 to 1.6 g of protein per kilogram of body weight a day, the goal in the Dietary Guidelines for Americans 2025 to 2030. For a 65 kg woman that is 78 to 104 g, or 25 to 35 g at each meal. That is well above the old minimum of 0.8 g/kg, and it helps protect muscle during weight loss and after 40.
Key takeaways
- A high protein diet for most women is 1.2 to 1.6 g per kilogram of body weight a day.
- The old figure of 46 g a day is a minimum for an average weight, not a target.
- Spread it out: about 25 to 35 g at each of three meals is easier than one huge dinner.
- Higher protein kept more muscle and led to slightly more fat loss in a meta-analysis of weight loss trials.
- Women who lift weights can go up to about 2.0 g/kg; higher amounts are described as safe rather than better.
- Most of it should come from food. A shake is a useful top up, not the base.
- If you have kidney disease or another medical condition, your doctor should set your protein intake.
"High protein" gets used for everything from a sensible breakfast to a diet of shakes and chicken. For women, a useful definition exists, and it is based on body weight rather than a single number for everyone.
How much protein is high protein for a woman
The long standing minimum is the RDA: 0.8 g of protein per kilogram of body weight a day, set to prevent deficiency in healthy adults.2 For an average woman that works out at about 46 g, which is where the figure you often see comes from. It is a floor, not a target.
The Dietary Guidelines for Americans 2025 to 2030 set a higher goal: 1.2 to 1.6 g per kilogram of body weight a day, with protein foods prioritized at every meal.1 That is what most people mean by a high protein diet today.
- Minimum to avoid deficiency (RDA)0.8 to 0.85 g/kg a day
- Healthy adults over 65 (PROT-AGE)1 to 1.2 g/kg a day
- Dietary Guidelines, 2025 to 20301.2 to 1.6 g/kg a day
- Active people building muscle (ISSN)1.4 to 2 g/kg a day
For women who lift weights regularly, the International Society of Sports Nutrition gives 1.4 to 2.0 g/kg, and describes higher intakes as safe rather than better.3
In grams, for the Dietary Guidelines range:
| Body weight | Protein a day | Per meal (3 meals) |
|---|---|---|
| 55 kg (121 lb) | 66 to 88 g | 22 to 29 g |
| 65 kg (143 lb) | 78 to 104 g | 26 to 35 g |
| 75 kg (165 lb) | 90 to 120 g | 30 to 40 g |
| 85 kg (187 lb) | 102 to 136 g | 34 to 45 g |
The protein calculator works it out for your own weight, age and activity.
Why women benefit from more protein
It protects muscle during weight loss. In a meta-analysis of 24 trials, higher protein diets with the same calories kept about 0.4 kg more lean mass and led to about 0.9 kg more fat loss than standard protein diets.4 Keeping muscle makes lost weight easier to keep off. If the weight has crept on in your forties, perimenopause weight gain explains why.
It matters more after 40. Muscle declines through midlife, and older adults need more protein per meal to get the same response. PROT-AGE recommends at least 1.0 to 1.2 g/kg a day for healthy adults over 65, and 25 to 30 g at each main meal.5 Protein for women over 40 goes into why, and sarcopenia treatment shows protein's role once muscle loss is advanced.
It makes meals filling. A breakfast built around protein keeps most people going longer than one built around toast or cereal, which makes eating a little less easier to sustain.
The best high protein foods for women
Values below are from USDA FoodData Central.7
- 37 gChicken breast120 g (4 oz), roasted
- 33 gSalmon130 g fillet, cooked
- 20 gGreek yogurt, plain nonfat200 g
- 21 gCottage cheese, 2%200 g
- 21 gFirm tofu, calcium-set120 g
- 13 gEggs2 large, hard boiled
- 18 gLentils1 cup (198 g), cooked
- 23 gCanned tuna1 can (120 g), drained
A mix of animal and plant foods works well. Plant proteins such as lentils and beans bring fiber, and dairy, calcium-set tofu and canned fish with bones bring calcium, which matters more after menopause.
A sample high protein day
This day comes to about 120 g of protein and roughly 1,400 calories, calculated from USDA data.
- Breakfast: 30 g250 g plain Greek yogurt with raspberries, walnuts and a spoon of chia seeds.
- Lunch: 33 gA big salad with 100 g canned salmon and 100 g white beans, olive oil dressing, and a slice of whole wheat bread.
- Snack: 12 gA handful of almonds and a glass of plain kefir.
- Dinner: 44 g120 g roasted chicken breast (4 oz) with broccoli and a baked sweet potato.
For five full days in the same style, see the menopause diet 5-day plan. For quick ideas meal by meal, try high protein breakfast ideas and high protein snacks.
Shakes: a top up, not the base
Protein powder is convenient and there is nothing wrong with it. But a diet built mostly on shakes misses what whole foods bring alongside the protein: fiber, calcium, iron and simply the satisfaction of a meal. Use a shake to rescue a weak breakfast or a short day. The best protein powder for weight loss for women explains how to choose one.
Tracking makes the difference
Most women who think they eat a lot of protein are surprised the first time they count it. A day of salad, soup and a sandwich can easily land at 50 g. Protein Buddy works out a daily target from a short quiz on your weight, age, activity and goal, and Home shows how many grams are left today as you log. Typing meals in by hand is free with no limit.
Is a high protein diet safe?
For healthy adults, yes. A meta-analysis of 28 controlled trials in 1,358 healthy adults found no difference in kidney function between people eating higher protein and those eating lower or normal amounts.6 Is too much protein bad for you covers the other common worries.
People with kidney disease are the exception: their protein intake should be set by their doctor or renal team. The same applies if you have been told to limit protein for any medical reason.
More questions about Women over 40
How much protein should a woman eat a day?
The Dietary Guidelines for Americans 2025 to 2030 set a goal of 1.2 to 1.6 g per kilogram of body weight a day for adults. For a 60 kg woman that is 72 to 96 g, for 70 kg it is 84 to 112 g and for 80 kg it is 96 to 128 g. Women who do regular strength training can aim toward the top of the range or a little above.
How much protein should a woman eat to lose weight?
The same 1.2 to 1.6 g per kilogram range, kept steady while calories come down. In weight loss trials, higher protein diets with the same calories kept more lean mass and led to slightly more fat loss. If you have a lot of weight to lose, ask a dietitian whether to base the number on a goal weight rather than your current one.
Is a high protein diet safe for women?
For healthy women, yes. A review of 28 controlled trials in healthy adults found no difference in kidney function between higher and lower protein intakes. People with kidney disease are the exception: their protein intake should be set by their doctor or renal team.
What are the best high protein foods for women?
The same as for anyone: chicken, turkey, fish, eggs, Greek yogurt, cottage cheese, tofu, tempeh, lentils and beans. After 50, foods that carry calcium too, like yogurt, calcium-set tofu and canned fish with bones, do double duty for bone.
Do women need less protein than men?
Not per kilogram. Recommendations are the same for both sexes per kilogram of body weight. Women's totals are lower in grams only because women are, on average, lighter.
References
- Dietary Guidelines for Americans, 2025-2030
- Dietary Reference Intakes for Energy, Carbohydrate, Fiber, Fat, Fatty Acids, Cholesterol, Protein, and Amino Acids
- International Society of Sports Nutrition Position Stand: protein and exercise
- Effects of energy-restricted high-protein, low-fat compared with standard-protein, low-fat diets: a meta-analysis of randomized controlled trials
- Evidence-based recommendations for optimal dietary protein intake in older people: a position paper from the PROT-AGE Study Group
- Changes in Kidney Function Do Not Differ between Healthy Adults Consuming Higher- Compared with Lower- or Normal-Protein Diets: A Systematic Review and Meta-Analysis
- FoodData Central
