Choosing protein products and how much protein you need
Choosing protein products can quickly get confusing: whey, casein, soy, egg white, rice, wheat and pea protein, along with hydrolyzed collagen, all seem like the right choice. Before buying a powder, ready-to-drink shake or bar, it is worth understanding how much protein you actually need and whether women’s daily protein needs differ from men’s.
Why does choosing protein products matter?
On the shop shelf, one product promises faster recovery, another better ingredients and a third exceptional taste. Honestly, that does not always make the decision easier. The question that matters is simpler: are you actually short on protein or energy, or do you simply need more regular meals?
Men get a lot of attention when it comes to gym training. Men’s daily protein requirements are around 1.4-2.0 grams per kilogram of body weight. That means a man weighing 80 kilograms needs 112-160 grams of protein a day. Women’s needs often get glossed over, even though the figures are just as useful.
If an active woman needs 2000 kcal a day and protein accounts for 20%, that amounts to 100 grams of protein. For a woman weighing 60 kilograms, this is equivalent to 1.67 grams of protein per kilogram of body weight. A 60-kilogram woman’s daily protein requirements are therefore around 72-108 grams, or 1.2-1.8 grams per kilogram of body weight.
Protein requirements are slightly lower in endurance sports: 1.2-1.6 g for men and 1.0-1.4 g for women. These figures apply to a typical Western diet. With a Zone-style diet, however, where protein and fat each account for 30% and carbohydrates for 40%, protein intake per kilogram of body weight is higher.
How does choosing protein products start with food?
Start with your plate, not your shaker. Meat, fish, poultry, eggs, dairy products, nuts, seeds and legumes all provide protein. Rice, pasta and bread are also sources of protein because they are eaten in substantial quantities.
Taste and tolerance matter too. Some people do not eat meat; others cannot tolerate fish or dairy products. There is no need to force yourself. If one protein source does not suit you, you will need to get your daily protein from other sources.
The simple truth: start by calculating your intake on a typical day. The Calorie Calculator on fitness.ee can help. Only then can you see whether a protein product fills a real gap or whether you are buying it simply because of the advertising.
On the Atkins diet, protein provides as much as half of your daily energy intake. If a man consumes 3000 kcal a day, his protein requirement is 375 grams. For a man weighing 80 kilograms, that is almost 5 grams per kilogram of body weight per day, and for a man weighing a hundred kilograms, around 4 grams. For a 60-kilogram woman consuming 2000 kcal, it is more than 4 grams per kilogram of body weight, or 250 grams a day. These are very high intakes and are not automatically suitable for everyone who trains.
Women’s daily protein intake and the role of energy
Protein intake alone does not determine your results. Getting enough energy is at least as important. When you consume more energy than you expend, adequate protein helps keep your body in a tissue-building, or anabolic, state. When you consume less energy than you expend, some protein is used for energy, leaving less available to support muscle growth.
In a severely catabolic state, such as after major surgery, muscle protein can be broken down for energy very quickly. A couple of weeks confined to bed can mean losing 15-20% of your muscle mass. Too much hard training in the gym can also lead to overtraining and a catabolic state.
So what actually happens? If you are not recovering adequately, sleeping poorly and eating too little, protein powder alone will not solve the problem. For women who train in particular, the problem may be wanting protein while fearing fat. Many good sources of protein inevitably contain fat too, including eggs, dairy products, fish, nuts and seeds.
Choosing protein products and timing your meals
Most mistakes come from how protein intake is spread throughout the day. Protein sources are digested in around 2-3 hours. If you eat too much at once, some of the amino acids are used in other ways: the carbon component is used for energy, while the nitrogen component is eventually excreted in urine.
If you leave 5-6 hours between meals, your body may start taking amino acids from your muscles. That is why many people do better eating roughly every three hours. Think beyond three large meals and aim instead for 5-7 meals a day.
A snack does not have to be just a glass of milk and a banana. It could be quark, fruit, a sandwich, yogurt or a post-workout carbohydrate-protein drink containing 30-40 g of protein and 40-60 g of carbohydrates. On some days, a protein-carbohydrate bar can also work if it helps you spread your intake more evenly throughout the day.
| Meal | protein | energy |
|---|---|---|
| Breakfast | 20 g | 350 kcal |
| Snack | 20 g | 300 kcal |
| Late-morning meal | 30 g | 500 kcal |
| Snack | 20 g | 300 kcal |
| Recovery drink | 30 g | 350 kcal |
| Lunch | 30 g | 600 kcal |
| Dinner | 25 g | 450 kcal |
| Evening meal | 25 g | 300 kcal |
| Total | 200 g | 3150 kcal |
This example shows a day’s intake for a 100-kilogram man. The point is not that everyone should eat exactly this way. It’s about distribution: protein and energy intake are spread evenly throughout the day, rather than concentrated in one enormous dinner.
FAQ: choosing protein products
Is too much protein a problem?
Too much protein may simply be unnecessary, especially if your energy intake, sleep and training plan aren’t in order. Very high intakes, such as 250 grams a day or 375 grams a day, need a clear justification beyond the influence of advertising.
Should women have a lower daily protein intake?
Not necessarily. It depends on body weight, training and energy needs. For a 60-kilogram woman, a practical range is around 72-108 grams a day, but the overall diet determines what’s appropriate.
When is a protein product a sensible choice?
When you aren’t getting enough protein from regular food or the gaps between meals are too long. A protein product is a useful aid, not the foundation. That foundation is still enough food, sufficient energy intake and consistent training.
Translated from Body magazine; Author: Timo Kosonen
Translated by: Greta
Source: Turg.Fitness.ee
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