A cutting phase comes down to eating fewer calories than you burn while keeping protein high enough to protect your muscle. The foods you choose matter just as much as the numbers, because the right picks keep you full, fueled for training, and getting enough nutrients even on reduced calories. Here’s how to build your plate during a cut.
How Big Should Your Deficit Be?
A moderate caloric deficit works better than an aggressive one. Research on calorie restriction shows that short-term deficits of 30 to 40% below maintenance actually suppress your body’s ability to build and repair muscle protein after meals. A prolonged, moderate deficit, on the other hand, can increase the rate of muscle protein synthesis. The sweet spot for most people is a 15 to 25% deficit below maintenance calories, which typically translates to 300 to 600 fewer calories per day depending on your size and activity level.
To find your starting point, multiply your body weight in pounds by 14 to 16 (depending on how active you are) to estimate maintenance, then subtract from there. Track your weight for two weeks. If you’re losing about 0.5 to 1% of body weight per week, you’re in the right range. Faster than that and you risk losing muscle along with fat.
Protein Is the Priority
Protein needs go up when calories go down. While the general recommendation for active people is 1.4 to 2 grams per kilogram of body weight, someone cutting should aim closer to 2.3 grams per kilogram (roughly 1 gram per pound of body weight). For a 180-pound person, that’s about 180 grams of protein daily. This higher intake helps offset the increased muscle breakdown that happens in a deficit.
Spreading that protein across three to five meals, hitting 20 to 40 grams per meal, gives your muscles a steady supply of amino acids throughout the day. The goal is to make protein the anchor of every meal and build the rest of your plate around it.
Best Lean Protein Sources
When calories are limited, you want the most protein per calorie. These options deliver:
- Chicken breast (skinless): 101 calories and 18 grams of protein per 3 ounces
- Turkey breast (skinless): 153 calories and 34 grams of protein per 4 ounces
- Lean beef sirloin: 111 calories and 18.6 grams of protein per 3 ounces
- Pork tenderloin: 139 calories and 24 grams of protein per 3 ounces
- Canned tuna in water: 45 calories and 9.8 grams per quarter cup
- Greek yogurt (2% plain): 130 calories and 17 grams of protein per 6 ounces
- Low-fat cottage cheese: 20 calories and 3.5 grams of protein per ounce (scales up well as a snack)
- Egg whites: high protein with almost no fat or carbs
Notice the difference between 80% lean ground beef at 230 calories per 3 ounces and lean sirloin at 111 calories for the same serving. During a cut, those choices compound quickly. For plant-based options, edamame (127 calories and 11 grams of protein per half cup) and lentils (115 calories and 9 grams per half cup) are solid, though they come with more carbs attached.
Carbohydrates: Less but Strategic
Carbs are the macronutrient that typically gets reduced during a cut, but cutting them too low tanks your training performance. The key is putting your carbs where they matter most: around your workouts.
Eating a carb-rich meal two to three hours before training consistently improves performance in research studies. A practical target is 1 to 2 grams of carbohydrate per kilogram of body weight in that pre-workout meal. For a 180-pound person, that’s roughly 80 to 160 grams of carbs. If you train early and can’t eat a full meal that far out, consuming carbs within 60 minutes of exercise still helps and doesn’t impair performance. Some people experience a temporary blood sugar dip when eating carbs 30 to 75 minutes before exercise, so if you feel shaky or lightheaded, shift your timing to either well before or right at the start of your session.
Good carb sources during a cut are ones that come with fiber and volume: oats, sweet potatoes, rice, fruit, and whole grain bread. Save your biggest carb portion for the meal before or after training, and keep other meals leaner with protein, vegetables, and a small amount of fat.
Fats: Don’t Go Too Low
Dietary fat supports hormone production, including testosterone, which matters for holding onto muscle. A common mistake during a cut is slashing fat below 15 to 20% of total calories. For someone eating 2,000 calories, that floor is around 45 grams of fat per day. Avocados, olive oil, nuts, eggs, and fatty fish like salmon give you the most nutritional value per gram. Almonds, for instance, pack 6.3 grams of protein alongside their healthy fats, though at 170 calories per ounce they add up fast. Measure your fat sources rather than eyeballing them.
Volume Eating Keeps You Full
Hunger is the reason most cuts fail. The best defense is filling your plate with foods that take up a lot of space in your stomach without costing many calories. The concept is simple: water and fiber add weight and volume to food but contribute zero calories.
The numbers make this vivid. A small order of fries runs about 250 calories. For that same calorie cost, you could eat 10 cups of spinach, a cup and a half of strawberries, and a small apple. A medium raw carrot is 88% water and only 25 calories. Two cups of raw broccoli have roughly the same calories as a single pat of butter. A cup of air-popped popcorn is just 30 calories, making it one of the best snack options during a cut.
Build every meal around a base of vegetables. Salad greens, asparagus, tomatoes, zucchini, broccoli, and carrots are all very low in calories but high in volume. Fresh fruit beats dried fruit by a wide margin: a cup of grapes has 104 calories, while a cup of raisins has 480. Choose the version with more water whenever possible.
Fiber for Satiety and Digestion
The Academy of Nutrition and Dietetics recommends about 14 grams of fiber for every 1,000 calories you eat, which works out to 25 to 34 grams per day for most adults. During a cut, hitting this target is especially important because fiber slows digestion and keeps you feeling full longer. Vegetables, fruits, legumes, and whole grains are the primary sources. Half a cup of black beans alone provides about 7 grams of fiber alongside 7.5 grams of protein, making legumes a particularly useful food during a cut if your carb budget allows it.
Micronutrients to Watch
Eating less food means fewer vitamins and minerals coming in. Research on bodybuilders during contest prep found that the nutrients most likely to drop below adequate levels are thiamine (vitamin B1), vitamin A, vitamin E, calcium, zinc, manganese, and copper. This happens because severe calorie restriction reduces both the amount and variety of food you eat.
You can offset most of these gaps by eating a wide range of colorful vegetables, keeping some dairy or fortified alternatives in your diet for calcium, and including nuts or seeds (even in small amounts) for zinc and manganese. A basic multivitamin can serve as insurance, but real food should be your first line of defense. If your cut has you eating fewer than about 1,500 calories daily, the risk of deficiencies goes up significantly.
Refeeds and Diet Breaks
Extended time in a deficit slows your metabolism and ramps up hunger hormones. Periodic refeeds, days where you bring calories back to maintenance primarily by adding carbs, help counteract this. How often you need them depends on how lean you already are.
If you’re a male under 10% body fat (or a female under 16%), you may benefit from a refeed day every three to four days, or a two to three day refeed every week. At moderate body fat levels (12 to 18% for males, 18 to 24% for females), a two to three day refeed every 10 to 14 days is typically enough. If you’re above 20% body fat as a male or 30% as a female, a brief refeed of 5 to 12 hours every two to three weeks often suffices.
Full diet breaks, where you eat at maintenance for one to two weeks, serve a similar purpose on a larger scale. Very lean individuals may need a diet break every three to four weeks. Those at moderate body fat levels can usually push six to eight weeks between breaks, while people with more fat to lose can go 12 to 16 weeks. These breaks aren’t setbacks. They reset the hormonal signals that make continued fat loss possible.
Hydration During a Cut
Water plays a bigger role in fat loss than most people realize. A small study from 2003 found that drinking about two cups of cool water increased metabolic rate by 30% in the short term, likely because the body expends energy warming the water to body temperature. General guidelines suggest about 11 cups of fluid daily for women and 15.5 cups for men, with roughly 80% of that coming from drinks and the rest from food. During a cut, when you’re eating more vegetables and fewer calorie-dense foods, water-rich meals help you stay hydrated. But don’t rely on food alone. Keep a water bottle nearby and drink consistently throughout the day, especially around training.
Putting a Day Together
A practical cutting day for a 180-pound person eating around 2,000 calories might look like this: protein at 180 grams (720 calories), fat at 55 grams (495 calories), and carbs filling the remaining 785 calories (roughly 195 grams), with the bulk of those carbs placed before and after training. Each meal starts with a palm-sized serving of lean protein and a large portion of vegetables, with carb-heavy foods clustered around the workout window.
Meal one could be egg whites with spinach and a slice of whole grain toast. A pre-workout meal might be chicken breast with rice and a side of broccoli. Post-workout could be Greek yogurt with fruit and a scoop of protein powder. Dinner might be lean sirloin with a large salad and roasted zucchini. Snacks like air-popped popcorn, raw carrots, or cottage cheese fill gaps without burning through your calorie budget. The specific foods matter less than the pattern: high protein, high volume, carbs around training, and enough variety to cover your micronutrient bases.