David Tracked Calories on a College Budget and Lost 25 Pounds

David Kim was a sophomore biology major at Ohio State University when he decided, in January 2024, that he wanted to lose the 30-ish pounds he had gained since high school. He was 5'11", weighed about 215 pounds, and had been slowly getting heavier since the day he moved into his freshman dorm and discovered he could order Domino's at midnight without asking permission from anyone.

The obstacle, as he saw it, was money. "Everyone talks about eating healthy and losing weight like you have a Whole Foods budget," he told me in May 2024, after finishing his semester. "I had fifty bucks a week for food. That is not a lot when you are buying for one person and living in a college apartment."

The Budget Constraint

David's $50 weekly food budget was real, not approximate. He was on a partial academic scholarship, worked 10 hours a week at the campus library, and sent $100 per month home to his parents. After rent, utilities, and phone, $50 per week for food was what the math allowed.

He had seen calorie tracking apps advertised on social media but assumed they required expensive meal-prep ingredients, subscription fees, or premium foods. "I went and looked at PlateLens and saw there was a free tier," he said. "That was the first thing. If it cost money monthly I probably wouldn't have done it."

The PlateLens free tier offered AI photo recognition for calorie logging, basic macro tracking, and a daily calorie budget. It was sufficient for David's needs.

What He Actually Ate

David's weekly grocery shop — tracked in a spreadsheet he showed me — centered on the same cheap, high-nutrition staples every week:

• Protein: Eggs ($3.50/dozen), canned tuna ($1/can, bought 6), frozen chicken breast ($8/3 lbs), peanut butter ($4/jar)
• Carbs: Oats ($3.50/container), brown rice ($5/5 lbs), dried black beans ($2/lb), whole wheat bread ($2.50)
• Vegetables: Frozen broccoli ($2.50/bag), spinach ($3), carrots ($1.50/bag), cabbage ($1)
• Fruit: Bananas ($1.50), apples ($3/bag)
• Other: Olive oil ($5), hot sauce, spices (shared with roommate)

Weekly spend: approximately $46 to $52, depending on whether items ran out mid-week.

“People act like losing weight requires buying expensive stuff. I was eating eggs and rice and frozen vegetables. The tracking was free. The results were real. You do not need money — you need accurate information about what you are eating.” — David K., 20

The Calorie Math

David used PlateLens to determine his maintenance calories: approximately 2,450 at 5'11", 215 lbs, lightly active (walking to class, occasional gym visit). He set a target of 1,850 calories — a 600-calorie daily deficit, which projects to roughly 1.2 pounds per week.

What surprised him most was how many calories his previous eating habits contained. "I was eating in the dining hall when I had meal swipes left from freshman year. I would get a big plate of pasta, a soda, and something for dessert. That was probably 1,200 to 1,400 calories in one meal. I had no idea."

The shift to cooking his own food was, in caloric terms, dramatic. A meal he cooked — two eggs, half a cup of oats, a banana — came to approximately 480 calories. The equivalent dining hall breakfast was regularly 800 to 950 calories.

Meal Prep and Batch Cooking

David's solution to the time-and-money constraint was batch cooking on Sunday evenings. Each week he would cook a large pot of rice, a large pot of beans, a sheet pan of roasted vegetables, and 8 to 10 hard-boiled eggs. These formed the base of every meal for the week.

"PlateLens handles batch-cooked meals well," he noted. "I would photograph the pot of rice and estimate how many servings it made, and the app would calculate the calories per serving. Then each time I ate a serving, I just logged it. It took maybe 20 seconds."

He ate three meals per day with no snacking — a choice that simplified tracking significantly. Breakfast was always the same (oats, egg, fruit). Lunch and dinner varied within a narrow range of the same base ingredients.

Finals Week: The Real Test

The hardest two weeks of David's semester, he told me, were finals — not because of the stress eating, but because of the late nights and the campus pizza that appears everywhere during exam season. "Every study group is fueled by free pizza," he said. "I logged every slice and stayed within my budget."

His adherence during finals week was 5 out of 7 days fully tracked, with two days where he estimated rather than photographed. He still lost 2 pounds that week. "The tracking is a habit at that point," he said. "Even when I'm not being perfect, I'm aware. That awareness by itself makes a difference."

“The app is free. The food is cheap. The only thing that costs anything is consistency, and consistency is just a decision.” — David K., 20

End of Semester

At the end of the spring semester in May 2024, David weighed 190 pounds — 25 pounds below where he started. He returned home for the summer, where his mother, who had not seen him in four months, reportedly did not recognize him immediately in the airport.

He plans to continue tracking through his junior year. His goal weight is 175 pounds. "I've got two more semesters to get there," he said. "The math works. I just have to keep doing the thing."

David's story was verified against his PlateLens data export and his personal food-spending spreadsheet. He reviewed this article prior to publication. Results are individual and may vary.