1 A small 3-ounce piece of meat has about 21 grams of protein. A typical 8-ounce piece of meat could have over 50 grams of protein. 2  One 8-ounce container of yogurt has about 11 grams of protein.  One cup of milk has 8 grams of protein.
http://www.webmd.com/diet/healthy-kitchen-11/how-much-protein
When eating less than 50 grams per day, your body will get into ketosis, supplying energy for the brain via so-called ketone bodies. This is likely to kill your appetite and cause you to lose weight automatically.
https://authoritynutrition.com/how-many-carbs-per-day-to-lose-weight/
That's about 46 grams of protein for women, and 56 grams of protein for men. It's not hard to get this amount if you eat two to three servings of protein-rich foods a day, according to the CDC. A small 3-ounce piece of meat has about 21 grams of protein. A typical 8-ounce piece of meat could have over 50 grams of protein.
http://www.webmd.com/diet/healthy-kitchen-11/how-much-protein
Just how many fat grams should a woman consume in a day? The amount of fat that you should be consuming each day is a controversial topic. There are some diet plans that call for more fat and others less. This is, however, generally a small difference, with studies ranging from around 30% of calories from fat to 40%.
http://www.drgourmet.com/askdrgourmet/women-fatindiet.shtml
Adults in the U.S. are encouraged to get 10% to 35% of their day's calories from protein foods. That's about 46 grams of protein for women, and 56 grams of protein for men. It's not hard to get this amount if you eat two to three servings of protein-rich foods a day, according to the CDC. 1  A small 3-ounce piece of meat has about 21 grams of protein. A typical 8-ounce piece of meat could have over 50 grams of protein.  One 8-ounce container of yogurt has about 11 grams of protein.
http://www.webmd.com/diet/healthy-kitchen-11/how-much-protein
This is a reasonable recommendation. There are 9 calories in a gram of fat. Since 30% of a 1,500 calorie diet would be 450 calories, that would allow for 50 grams of fat per day (450 calories / 9 = 50 grams). No more than about 17 grams of that should be saturated fat (10% of 1,500 = 150 and 150 / 9 = 16.67 grams).
http://www.drgourmet.com/askdrgourmet/women-fatindiet.shtml
First, you need to know how many calories you should eat each day. Once you know this, you can determine how many grams of fat and saturated fat you can eat without exceeding your limits for fat. These limits are 25% to 35% of calories from fat and less than 7% of calories from saturated fat. If you need to lose weight, you may need fewer calories.
http://health.howstuffworks.com/wellness/diet-fitness/information/how-many-grams-of-fat-can-i-eat-in-a-day.htm
Dr. Gourmet Says... The amount of fat that you should be consuming each day is a controversial topic. There are some diet plans that call for more fat and others less. This is, however, generally a small difference, with studies ranging from around 30% of calories from fat to 40%.
http://www.drgourmet.com/askdrgourmet/women-fatindiet.shtml
Bottom Line: For people who are physically active or want to maintain their weight, a range of 100-150 grams per day may be optimal. For people who have metabolic problems, going under 50 grams per day is a good idea.
https://authoritynutrition.com/how-many-carbs-per-day-to-lose-weight/
When you cut carbs, you reduce insulin and your kidneys start shedding excess water (14, 15). It is common for people to lose a lot of water weight in the first few days on a low-carb diet, up to 5-10 pounds. Weight loss will slow down after the first week, but this time the fat will be coming from your fat stores.
https://authoritynutrition.com/how-many-carbs-per-day-to-lose-weight/
how many gram of fat should i have a days
You should have 50 grams of a fat daily. You should have 50 grams of fat a day.