Cottage cheese and eggs: two protein breakfasts, one head-to-head trial

The strongest evidence on this page is about eggs and cholesterol, and it is weaker than it sounds. An umbrella review of 14 meta-analyses found egg intake linked to LDL cholesterol higher by a weighted mean difference of 7.39 (95% CI 5.82 to 8.95), with the unit not named in the abstract and the strength of evidence rated very weak. The same review found no link in observational data between high and low egg intake and cardiovascular outcomes or death from any cause, yet it also listed a higher risk of heart failure (RR 1.15, 95% CI 1.02 to 1.30), again with very weak evidence. An absence of association is a different thing from proof of safety. On the question most people bring here, which of the two keeps you fuller, there is exactly one trial. In a randomized crossover study of 30 healthy adults, an omelette and a cottage cheese snack each carrying 26 g of protein kept people satisfied for the same time, about 167 minutes, and they ate about the same amount at the buffet afterward. Egg amino acids reached the blood later, measured in a subgroup of 10. It was one snack on one morning.

How much is actually in it

• USDA analyzed samples put protein at 11.6 g per 3.5 oz (100 g) in full-fat cottage cheese and 12.4 g in whole egg, while sodium in cottage cheese ran from 277 to 412 mg across 10 samples. — USDA FoodData Central Foundation Foods, analyzed samples of full-fat cottage cheese and Grade A large whole eggs (n = 10 cottage cheese samples, 24 egg samples) Evidence E source
  Cottage cheese protein 11.6 g (9.7-14.7), sodium 349.8 mg (276.5-412.0), calcium 88.3 mg (67.3-111.5). Whole egg protein 12.4 g (11.6-13.2), cholesterol 411 mg (371-451), choline 335 mg (287-404), per 3.5 oz (100 g)
• The UK composition table gives plain cottage cheese 9.4 g of protein and 250 mg of sodium per 3.5 oz (100 g), lower than the USDA figures, and boiled whole egg 14.1 g of protein. — CoFID 2021 entries Cheese, cottage, plain and Eggs, chicken, whole, boiled Evidence E source
  Cottage cheese 103 calories, protein 9.4 g, fat 6.0 g, calcium 127 mg, sodium 250 mg. Boiled egg 143 calories, protein 14.1 g, fat 9.6 g, sodium 150 mg, cholesterol 360 mg, per 3.5 oz (100 g)

What a real portion looks like

• In the US dietary survey a cup of cottage cheese weighs 7.4 oz (210 g) and one egg 50 g, so a cup carries roughly four eggs' worth of protein. — FNDDS portion weights for Cheese, cottage, NFS and Egg, whole, raw Evidence E source
  1 cup cottage cheese 210 g, about 24 g protein at 11.6 g per 3.5 oz (100 g). 1 egg 50 g, about 6 g protein at 12.4 g per 3.5 oz (100 g) (calculated)

What your body absorbs

• In a randomized crossover trial in 30 healthy adults, an omelette and a cottage cheese snack with the same 26 g of protein kept people full for the same time, about 167 minutes, although egg amino acids reached the blood later. — Healthy volunteers eating one snack per test day, each 1346 kJ with 26 g protein, 21 g lipids and 8 g lactose, blood sampled in a subgroup of 10 (n = 30) Evidence B source
  Time to buffet request 167 +/- 8 min and buffet intake 3988 +/- 180 kJ, similar after both snacks, plasma amino acids delayed after eggs
• Adding three scrambled eggs (150 g) to a raw vegetable salad raised carotenoid absorption about eightfold over the salad alone in 16 young men. — Healthy young men eating the same salad with 3 g canola oil and no egg, 75 g or 5.3 oz (150 g) of scrambled whole egg (n = 16) Evidence B source
  Total carotenoid AUC 0-10 h in triacylglycerol-rich lipoproteins 125.7 with 150 g egg versus 44.8 with 75 g and 14.9 with no egg, nmol/L x 10 h
• In 16 young men, 5.3 oz (150 g) of cooked whole egg eaten with a raw salad raised alpha-tocopherol absorption from the meal about eightfold against the salad without egg. — Healthy young men, mean age 24, after 7 days of a low vitamin E diet, salad with 3 g canola oil and 0, 75 or 150 g cooked egg (n = 16) Evidence B source
  Alpha-tocopherol AUC 0-10 h 981 with 150 g egg versus 311 with 75 g and 117 with no egg, nmol/L x 10 h

What cooking and storage change

• In 10 healthy volunteers, 35.1% of raw egg protein escaped digestion in the small intestine against 5.73% of the same protein eaten cooked. — Healthy volunteers, each studied twice, after a cooked and after a raw test meal with 25 g of isotope-labeled egg protein (n = 10) Evidence C source
  5.73% of cooked versus 35.10% of raw egg protein not assimilated in the small intestine, P < 0.005
• By the USDA retention table for hard-cooked eggs, folate keeps 75%, choline 80% and vitamin B12 85%, while minerals keep 100%. — USDA retention factors for the group Dairy and Egg Products, method EGGS, HARD COOKED Evidence E source
  Folate 75%, vitamin C 80%, choline 80%, thiamin 85%, B12 85%, riboflavin, niacin and B6 95%, calcium, iron, zinc, sodium 100%

What it does to your health

• A meta-analysis of seven randomized trials in 3673 children under five in sub-Saharan Africa found egg-based feeding raised weight-for-age by 0.33 z but left height-for-age unchanged. — Children under five in sub-Saharan Africa, egg or egg-based foods against other diets, education or no intervention (n = 3673) Evidence A source
  WAZ MD 0.33 (95% CI 0.11-0.55), WHZ MD 0.30 (0.12-0.48), HAZ MD 0.05 (-0.05 to 0.14)
• In a randomized crossover trial in 10 active women, 30 g of protein as cottage cheese before sleep left next-morning resting energy expenditure and hunger no different from a casein shake or placebo. — Active young women, pre-sleep cottage cheese with 30 g protein against matched liquid casein or a zero-energy placebo (n = 10) Evidence B source
  Morning resting energy expenditure 5840 kJ/d after cottage cheese, 5694 after casein, 5991 after placebo, no significant difference
• Pooled longitudinal studies link egg intake close to 50 g a day with a 9% lower risk of cognitive decline. — 13 longitudinal and 8 cross-sectional studies, mainly from Asia and the United States (n = 99,453) Evidence C source
  Pooled RR 0.91 (95% CI 0.83-0.99), U-shaped dose response with lowest risk at 50-60 g a day

Safety, limits and interactions

• Among 123 children with egg allergy given an oral challenge with boiled egg yolk, 115 (93.4%) tolerated it and kept eating yolk at home. — Children with diagnosed egg allergy, median age 12 months, challenged with boiled egg yolk between 2019 and 2022 (n = 123) Evidence C source
  115 of 123 tolerant (93.4%)
• Pooled surveys put Salmonella on 7.20% of eggs sampled in China, more often on shells (8.30%) than in egg contents (4.50%). — Egg samples from farms and retail markets in China Evidence C source
  Pooled prevalence 7.20%, shells 8.30%, contents 4.50%
• FDA advises cooking eggs until both yolk and white are firm and names children, older adults, pregnant women and people with weakened immunity as at greater risk of severe illness. — US consumers, advice on Salmonella in eggs Evidence E source
  Dishes with eggs cooked to 160 F, eggs until yolk and white are firm
• In a 2026 US Listeria outbreak linked to soft fresh cheeses, including requeson sold as Mexican cottage cheese, 14 of 15 sick people were hospitalized and one died. FDA told pregnant people, adults 65 and older and the immunocompromised not to eat queso fresco-type cheese, including requeson. — US cases in IL, MD, NY, VA; recalled requeson and other soft cheeses from La Ceiba Foods and Clover Hill Dairy (n = 15 cases) Evidence E source
  15 illnesses, 14 hospitalizations, 1 death; outbreak declared over
• In summer 2026 a Salmonella outbreak traced to recalled shell eggs from Texas farms made 134 people ill across 18 US states, 34 of them hospitalized, with no deaths. — US cases in 18 states; white and brown cage-free shell eggs recalled by Midwest Poultry Services, produced 6 June to 3 July 2026 (n = 134 cases) Evidence E source
  134 illnesses, 34 hospitalizations, 0 deaths; outbreak declared over

What people believe that the data does not support

• In two small randomized crossover studies, 16 men and 17 women eating 2.6 to 5.3 oz (75 to 150 g) of cooked whole egg absorbed little of its cholesterol over the next 10 hours. — Study 1, 16 men with raw vegetables and 0, 75 or 150 g cooked whole egg. Study 2, 17 women with cooked vegetables and 0 or 100 g cooked whole egg (n = 16 men and 17 women) Evidence B source
  No difference in total cholesterol in meal-derived lipoproteins over 10 h, triacylglycerol higher with egg
• An umbrella review of 14 meta-analyses found egg intake linked to LDL cholesterol higher by a weighted mean difference of 7.39, with the strength of evidence rated very weak. — Meta-analyses published since January 2020, 10 of observational and 4 of intervention studies (n = 14 meta-analyses) Evidence A source
  LDL cholesterol WMD 7.39 (95% CI 5.82-8.95), total cholesterol WMD 9.12 (7.35-10.89)
• Observational data summarized in the same umbrella review link high versus low egg intake to no difference in cardiovascular outcomes or all-cause mortality. — Meta-analyses of observational studies published since January 2020 (n = 10 observational meta-analyses) Evidence C source
  No association with any cardiovascular outcome or all-cause mortality, high versus low intake; the same review lists heart failure RR 1.15 (1.02-1.30) with very weak evidence

Who this works differently for

• In dialysis patients, egg white supplements raised serum albumin by 0.42 g/dL across four randomized trials and lowered serum phosphorus by 2.04 mg/dL across two. — Adults on dialysis within a meta-analysis of 30 RCTs of egg-derived protein and peptides (n = 30 RCTs, 1938 participants in total) Evidence A source
  Albumin MD +0.42 g/dL (95% CI 0.12-0.72, GRADE very low), phosphorus MD -2.04 mg/dL (-2.50 to -1.58, GRADE low)

What is still unknown

• Only one trial in our corpus compares eggs with cottage cheese head to head, no retention factor exists for cottage cheese, and neither food holds an authorized EU health claim. — Layers searched on 2026-09-29 for cottage cheese | eggs: corpus pubmed:469185, USDA retention R6, EU claim register, 21 CFR 101, drug interaction layer (n = 1 head-to-head trial) Evidence E source
  EU register: 0 authorized claims for eggs (4 non-authorized, none about eggs themselves), 0 for cottage cheese. R6: no method for cottage cheese. Interactions: 0. No trial on muscle protein synthesis comparing the two foods

The bottom line

Per 100 g, USDA analyzed samples put protein at 11.6 g in full-fat cottage cheese and 12.4 g in whole egg. The UK table gives 9.4 g for plain cottage cheese and 14.1 g for boiled egg, so which food looks richer depends on the table you read. The portion decides more. The US dietary survey weighs a cup of cottage cheese at 210 g and one egg at 50 g, which by recalculation from the 100 g figures means about 24 g of protein in the cup and 6 g in the egg. Salt runs the other way. Sodium in cottage cheese ranged from 277 to 412 mg per 3.5 oz (100 g) across 10 USDA samples, depending on the salt in the recipe, and the UK figure is 250 mg. Cook your eggs. In 10 healthy volunteers, 35.1% of raw egg protein escaped digestion in the small intestine against 5.73% of the same protein eaten cooked, in a small comparison the abstract does not call randomized. Hard cooking costs part of the vitamins, by a USDA retention table set per food group in 1975: folate keeps 75%, choline 80% and vitamin B12 85%, and minerals keep all of theirs. Eggs also change what you absorb from the rest of the plate. In 16 young men, 150 g of scrambled egg added to a raw salad raised carotenoid absorption about eightfold over the salad alone, while 2.6 oz (75 g) of egg made no significant difference. A second paper from the same 16 men found the same pattern for vitamin E, so it counts as one experiment. Two popular ideas were tested directly. In two small crossover trials, 16 men and 17 women eating 2.6 to 5.3 oz (75 to 150 g) of cooked egg showed no rise in cholesterol carried in meal-derived lipoproteins over the next 10 hours. That is a 10-hour marker. It sits against the 7.39 LDL difference above, and the long-term answer stays unclear because the pooled studies behind that number were judged of very weak quality. Eating cottage cheese before bed to lift your metabolism was also checked. In 10 active women, 30 g of protein as cottage cheese before sleep left next-morning resting energy use and hunger no different from a casein shake or a zero-calorie placebo. Some groups respond differently. A meta-analysis of seven randomized trials in 3673 children under five in sub-Saharan Africa, at risk of undernutrition, found egg-based feeding raised weight-for-age by 0.33 z (95% CI 0.11 to 0.55) and left height-for-age unchanged. In people on dialysis, egg white protein supplements, which are a different product from whole eggs, raised serum albumin by 0.42 g/dL across four trials with evidence graded very low. Across two trials graded low they lowered serum phosphorus by 2.04 mg/dL. Observational studies, mainly from Asia and the United States, link about 1.8 oz (50 g) of egg a day with a 9% lower risk of cognitive decline (RR 0.91, 95% CI 0.83 to 0.99), an association that cannot show the egg is the cause. Be careful with raw or runny eggs if you are pregnant, older, a young child or have weakened immunity. The FDA names these groups as at greater risk of severe Salmonella illness and advises cooking eggs until both yolk and white are firm. The risk is current. In summer 2026 recalled shell eggs from Texas farms made 134 people ill across 18 US states, 34 of them in hospital and none dead, in an outbreak since declared over. Pooled surveys found Salmonella on 7.20% of eggs sampled in China, which the authors report as higher than in the United States and Europe. Cottage cheese has one warning, and it concerns a related product. In a 2026 US Listeria outbreak linked to soft fresh cheeses, including requeson sold as Mexican cottage cheese, 14 of 15 sick people were hospitalized and one died. FDA told people who are pregnant, aged 65 or older or immunocompromised to eat no queso fresco-type cheese, requeson included. That single outbreak report did not assess ordinary pasteurized cottage cheese from the supermarket. For children with egg allergy, 115 of 123 (93.4%) tolerated boiled egg yolk in an oral challenge run under medical supervision, in a retrospective study, and this is no reason to try it at home. Neither food holds an authorized EU health claim.

Sources

1. cheg-daily-r2-15 · reference dataset
   Cottage cheese, full fat, large or small curd: Sodium, Na 349.8 MG range 276.5-412.0 n=10 · Protein 11.62436 G range 9.6976-14.674 · Calcium, Ca 88.27 MG range 67.3-111.5 n=10 · Eggs, Grade A, Large, egg whole: Protein 12.4 G range 11.6-13.2 · Cholesterol 411.0 MG range 371.0-451.0 n=24 · Choline, total 335.0 MG range 287.0-404.0 n=24
   USDA FoodData Central, Foundation Foods, release 2026-04-30 · checked 2026-09-29
2. cheg-daily-r2-16 · reference dataset
   12-539 Cheese, cottage, plain: Energy 103 kcal · Fat 6.0 g · Protein 9.4 g · Calcium 127 mg · Sodium 250 mg · 12-940 Eggs, chicken, whole, boiled: Energy 143 kcal · Fat 9.6 g · Protein 14.1 g · Calcium 55 mg · Sodium 150 mg · Cholesterol 360.0 mg
   CoFID 2021, Public Health England, OGL v3.0, codes 12-539 and 12-940 · checked 2026-09-29
3. cheg-daily-r2-17 · reference dataset
   Cheese, cottage, NFS (FNDDS 14200100, fdc 2705747): 1 cup 210 g · Quantity not specified 105 g · Egg, whole, raw (FNDDS 31101010, fdc 2707152): 1 egg 50 g · Quantity not specified 50 g
   USDA FNDDS, food codes 14200100 and 31101010 · checked 2026-09-29
4. cheg-daily-r2-01 · randomized crossover trial
   Thirty healthy volunteers participated in a randomized crossover trial. ... The two preloads were similar in terms of the time between the snack and a request for the buffet (167 ± 8 min), energy intake at the buffet (3988 ± 180 kJ) and appetite ratings. Plasma amino acid and urea concentrations indicated a marked delay in kinetic delivery after the eggs compared with the cottage cheese.
   Appetite, 2015 · checked 2026-09-29
5. cheg-daily-r2-03 · randomized crossover trial
   Healthy young men (n = 16) consumed the same salad (all served with 3 g canola oil) with no egg (control), 75 g scrambled whole eggs (1.5 eggs) [low egg (LE)], and 150 g scrambled whole eggs (3 eggs) [high egg (HE)] (a randomized crossover design). ... The total mean (±SE) carotenoid AUC0-10h in TRL was higher for the HE meal than for LE and control meals [125.7 ± 19.4(a) compared with 44.8 ± 9.2(b) compared with 14.9 ± 5.2(b)
   Am J Clin Nutr, 2015 · checked 2026-09-29
6. cheg-daily-r2-04 · randomized crossover trial
   consumed the same salad (all served with 3 g canola oil) with no egg [control (CON)], with 75 g cooked egg [low egg (LE)], or with 150 g cooked egg [high egg (HE)] ... was higher (P < 0.05) for the HE trial (least-squares mean ± SE: 981 ± 162
   J Nutr, 2016 · checked 2026-09-29
7. cheg-daily-r2-02 · clinical trial, non-randomized
   Ten healthy volunteers were studied once after ingestion of a cooked test meal, consisting of 25 g of (13)C-, (15)N-, and (2)H-labeled egg protein, and once after ingestion of the same but raw meal. Amounts of 5.73% and 35.10% (P < 0.005) of cooked and raw test meal, respectively, escaped digestion and absorption in the small intestine.
   Am J Physiol, 1999 · checked 2026-09-29
8. cheg-daily-r2-18 · reference dataset
   EGGS,HARD COOKED Retn_Code 105: folate_total_ug 75% · vitamin_c_mg 80% · choline_mg 80% · thiamin_mg 85% · vitamin_b12_ug 85% · riboflavin_mg 95% · niacin_mg 95% · vitamin_b6_mg 95% · calcium_mg 100% · iron_mg 100% · zinc_mg 100% · sodium_mg 100%
   USDA Table of Nutrient Retention Factors, Release 6, 2007, USDA-RETN-R6:105 · checked 2026-09-29
9. cheg-daily-r2-08 · meta-analysis of RCTs
   Seven studies involving 3673 children met the inclusion criteria. Egg-based intervention significantly improved WAZ (MD: 0.33; 95% CI: 0.11-0.55) and WHZ (MD: 0.30; 95% CI: 0.12-0.48). However, no significant effect was observed on HAZ (MD: 0.05; 95% CI: -0.05-0.14).
   J Nutr Sci, 2026 · checked 2026-09-29
10. cheg-daily-r2-10 · randomized crossover trial
    consumed pre-sleep CC (30 g of protein, 10 g of carbohydrate and 0 g of fat) or energy- and protein-matched liquid CP or PL (0 kJ). ... Subjective measures of appetite were not different between groups. In active women, pre-sleep consumption of CC does not alter REE or RER more than a CP or PL beverage.
    Br J Nutr, 2018 · checked 2026-09-29
11. cheg-daily-r2-12 · meta-analysis of observational studies
    We identified 13 longitudinal and 8 cross-sectional studies, comprising 99,453 individuals with 18,893 cases mainly from Asian countries and the United States. Egg consumption closest to 50 g/day was longitudinally linked to a lower risk of cognitive decline (pooled RR = 0.91; 95%CI = 0.83-0.99)
    J Hum Nutr Diet, 2026 · checked 2026-09-29
12. cheg-daily-r2-11 · retrospective cohort
    The study included 123 patients with a median age of 12 months. ... Of the 123 egg yolk OFCs, 115 (93.4%) patients were tolerant and consumed egg yolk at home.
    Eur Ann Allergy Clin Immunol, 2026 · checked 2026-09-29
13. cheg-daily-r2-13 · meta-analysis of prevalence studies
    The overall pooled prevalence of Salmonella in Chinese eggs was 7.20%, which is higher than the levels reported in the United States and Europe. Contamination rates were higher on eggshells (8.30%) was than those in egg contents (4.50%)
    Int J Food Microbiol, 2026 · checked 2026-09-29
14. cheg-daily-r2-14 · agency guidance
    Certain people are at greater risk for severe illness and include children, older adults, pregnant women, and people with weakened immune systems (such as transplant patients and individuals with HIV/AIDS, cancer, and diabetes). ... Cook eggs until both the yolk and the white are firm.
    FDA, What You Need to Know About Egg Safety, content current as of 2024-03-05 · checked 2026-09-29
15. cheg-ws9-01 · agency outbreak report
    Requeson Salvadoreño (Ricotta Style Salvadorean Cheese) and Requeson Mexicano (Mexican Cottage Cheese) ... Total Illnesses: 15 Hospitalizations: 14 Deaths: 1 ... If you are at higher risk for severe Listeria illness (if you are pregnant, aged 65 or older, or have a weakened immune system due to certain medical conditions or treatments) do not eat any queso fresco-type cheese, including soft ricotta/requeson.
    FDA, Outbreak Investigation of Listeria monocytogenes: Soft Cheese (June 2026), content current as of 2026-08-26 · checked 2026-09-29
16. cheg-ws9-02 · agency outbreak report
    Total Illnesses: 134 Hospitalizations: 34 Deaths: 0 ... States with Cases: AR, AZ, CA, CO, GA, IL, LA, MI, MO, MS, NC, NM, NV, NY, OK, SC, TX, WV ... Midwest Poultry Services, L.P. recalled white shell eggs and brown cage free shell eggs produced and distributed from farms in Texas between June 6, 2026 and July 3, 2026
    FDA, Outbreak Investigation of Salmonella: Eggs (July 2026), content current as of 2026-09-03 · checked 2026-09-29
17. cheg-daily-r2-05 · randomized crossover trial
    For study 1, 16 men consumed raw vegetables with no egg, 75 g CWE, or 150 g CWE. For study 2, 17 women consumed cooked vegetables with no egg or 100 g CWE. ... These results suggest that the dietary cholesterol in whole egg was not well absorbed
    Nutrients, 2018 · checked 2026-09-29
18. cheg-daily-r2-06 · umbrella review
    Fourteen meta-analyses were included (10 observational, 4 interventional studies). ... The level of evidence was very weak for all the significant associations: risk of heart failure (RR 1.15; 95%CI: 1.02-1.30), cancer mortality (RR 1.13; 95%CI 1.06-1.20), higher levels of LDL cholesterol (WMD 7.39; 95%CI 5.82-8.95), total cholesterol (WMD 9.12; 95%CI 7.35-10.89)
    Nutr Metab Cardiovasc Dis, 2025 · checked 2026-09-29
19. cheg-daily-r2-07 · umbrella review
    No evidence of association was found among all cardiovascular outcomes and all-cause mortality risk between high vs. low egg consumption.
    Nutr Metab Cardiovasc Dis, 2025 · checked 2026-09-29
20. cheg-daily-r2-09 · meta-analysis of RCTs
    Thirty RCTs (n = 1938) were included. In dialysis patients, egg white supplementation significantly increased serum albumin (MD: +0.42 g/dL [95% CI: 0.12-0.72]; I2 = 82.4%; four RCTs; GRADE: very low) and decreased serum phosphorus (MD: -2.04 mg/dL [-2.50, -1.58]; I2 = 22%; two RCTs; GRADE: low).
    Nutrients, 2026 · checked 2026-09-29
21. cheg-daily-r2-19 · search record
    cottage cheese | eggs: corpus head-to-head trials 1 (25772196) · retention R6 cottage cheese 0 methods · EU register eggs 0 authorised, 4 non-authorised · EU register cottage cheese 0 · interactions 0 · FDC under paired name 0
    Bioma research layers, snapshot 2026-09-29 · checked 2026-09-29