Protein head-to-heads · July 2026
Cottage cheese (lowfat) vs Whey protein (1 scoop): which protein is cheaper?
USDA macros joined to current US grocery prices, reduced to the two numbers that decide it: dollars per gram of protein, and protein per calorie.
Cottage cheese (lowfat) is 1.1x cheaper per gram of protein ($0.027/g vs $0.031/g), while Whey protein (1 scoop) is the leaner choice at 20.0 g protein per 100 kcal against 13.1 g. Budget favours one, a calorie cap favours the other.
| Food | $/g protein | 30 g protein costs | You need | kcal that come with it | Protein/100 kcal |
|---|---|---|---|---|---|
| Cottage cheese (lowfat) | $0.027 | $0.82 | 273 g | 229 kcal | 13.1 g |
| Whey protein (1 scoop) | $0.031 | $0.94 | 38 g | 150 kcal | 20.0 g |
Full macros, per serving
| Food (per serving) | Price | kcal | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| Cottage cheese (lowfat) (100 g) | $0.30 | 84 | 11 g | 4.3 g | 2.3 g |
| Whey protein (1 scoop) (30 g) | $0.75 | 120 | 24 g | 3 g | 1.5 g |
A week of protein from each
Hitting a common 100 g/day protein target from cottage cheese (lowfat) alone costs $19.09 a week; from whey protein (1 scoop) alone, $21.88. That is a gap of $2.78 every week for the same protein. In practice you mix sources: the planner computes the cheapest mix for your exact target and calorie cap, live from the same dataset.
Budget says one, calories say the other
Cottage cheese (lowfat) costs $0.027 per gram of protein against $0.031, so it saves $2.78 a week at a 100 g/day target. Whey protein (1 scoop) answers a different question: 20.0 g of protein per 100 kcal against 13.1 g, which is what matters once calories, not dollars, are the thing you run out of first.
Compare against other foods
- Cottage cheese (lowfat) vs Oats (dry)Whey protein (1 scoop) vs Oats (dry)
- Cottage cheese (lowfat) vs Peanut butterWhey protein (1 scoop) vs Peanut butter
- Cottage cheese (lowfat) vs Lentils (cooked)Whey protein (1 scoop) vs Lentils (cooked)
- Cottage cheese (lowfat) vs Tofu (firm)Whey protein (1 scoop) vs Tofu (firm)
- Cottage cheese (lowfat) vs Black beans (cooked)Whey protein (1 scoop) vs Black beans (cooked)
- Cottage cheese (lowfat) vs Greek yogurt (nonfat)Whey protein (1 scoop) vs Greek yogurt (nonfat)
- Cottage cheese (lowfat) vs Eggs (~2 large)Whey protein (1 scoop) vs Eggs (~2 large)
- Cottage cheese (lowfat) vs Chicken breast (raw)Whey protein (1 scoop) vs Chicken breast (raw)
- Cottage cheese (lowfat) vs Canned tuna (in water)Whey protein (1 scoop) vs Canned tuna (in water)
Frequently asked
- Which is cheaper for protein, cottage cheese (lowfat) or whey protein (1 scoop)?
- Cottage cheese (lowfat), at $0.027 per gram of protein against $0.031 for whey protein (1 scoop) (July 2026 US grocery prices). A 30 g protein serving costs $0.82 vs $0.94.
- Which has more protein per calorie, cottage cheese (lowfat) or whey protein (1 scoop)?
- Whey protein (1 scoop), with 20.0 g protein per 100 kcal against 13.1 g for cottage cheese (lowfat), 1.5x leaner. That matters when you are cutting and calories are the binding constraint.
- Which should I buy, cottage cheese (lowfat) or whey protein (1 scoop)?
- Depends on your constraint. On a tight budget with room in your calories, cottage cheese (lowfat) is cheaper per gram of protein. On a calorie-capped cut, whey protein (1 scoop) gives you 1.5x more protein per calorie and is usually worth its $0.031/g price.
Prices are representative US grocery prices as of July 2026; your store will differ. Educational content, not medical or dietary advice. Dataset: free download, CC-BY.