Poultry: the red meat swap that trials cannot tell apart on cholesterol

Poultry is the usual swap people make for red meat, and on cholesterol the trials find no difference. By a meta-analysis of 8 randomized trials in 406 people free of chronic disease, LDL fell 8.2 mg/dL from baseline on beef and 8.9 on poultry or fish, with no significant gap (P = .905), though poultry and fish were pooled together. In a randomized crossover trial of 113 healthy adults, 4 weeks of white meat raised LDL cholesterol and apoB as much as red meat did, both above nonmeat protein, whether saturated fat was high or low. Poultry looks different mainly in cohort data. Pooled cohorts of 1.4 million people tied red and processed meat to more ischemic heart disease and found no association for poultry. That is an association, and it does not show that poultry protects anyone. A scoping review of 525 studies on poultry and health found only 64 experimental ones, most comparing poultry with other foods only indirectly.

The numbers, per 3.5 oz (100 g)

How much is actually in it

• USDA's generic poultry records are mechanically deboned meat, with 11.4 to 14.7 g of protein and 104 to 143 mg of cholesterol per 3.5 oz (100 g), which is not what a roasted chicken breast looks like. — 3 USDA SR Legacy records named poultry, reference record Poultry, mechanically deboned, from mature hens, raw (n = 3 records) Evidence E source
  Reference record cholesterol 143 mg (48% DV), niacin 5.254 mg (33% DV), protein 14.72 g (29% DV); across 3 records cholesterol 104 to 143 mg, niacin 4.63 to 6.246 mg, protein 11.39 to 14.72 g

What a real portion looks like

• Across 31 cohorts and nearly 2 million adults, each extra 3.5 oz (100 g) of poultry a day went with 8% higher type 2 diabetes incidence (HR 1.08), a link weaker than for processed or red meat that faded further under other models. — 1966444 adults in 31 cohorts from 20 countries, median follow-up 10 years, 107271 incident cases (n = 1966444) Evidence C source
  HR 1.08 (95% CI 1.02 to 1.14) per 100 g/day poultry; processed meat 1.15 per 50 g/day; median poultry intake 0 to 72 g/day across cohorts
• US adults ate 1.7 oz (47 g) more poultry a week in 2015-2016 than in 1999-2000 while unprocessed red meat fell by 56.7 g a week, in NHANES data on 43995 adults. — 43995 US adults aged 20 and older, NHANES 1999-2016, 24-hour recalls (n = 43995) Evidence C source
  Poultry mean change +47.0 g/wk (P trend < 0.001); unprocessed red meat -56.7 g/wk

What your body absorbs

• Adding muscle tissue to a plant meal steadily raised iron and zinc absorption across 77 studies, and poultry worked about as well as red meat or fish for this meat factor effect. — 77 studies (52 in humans) adding animal-source foods to plant-based meals (n = 77 studies) Evidence C source
  Iron and zinc absorption increased from single plant meals with muscle tissue; no clear difference between red meat, poultry and fish; effect in the whole diet less clear

What cooking and storage change

• By the USDA retention table for broiled chicken, about 30% of thiamin, 35% of vitamin B12 and 40% of folate are lost, while zinc stays at 100% and iron at 90%. — USDA retention factors for Poultry Products, chicken broiled Evidence E source
  Retained after broiling: zinc 100%, iron 90%, riboflavin 90%, niacin 80%, vitamin B6 80%, thiamin 70%, vitamin B12 65%, folate 60%
• Simmering chicken and throwing away the liquid keeps only about half of its vitamin B6 and B12 and 55% of thiamin, by the USDA retention table, so the broth carries much of what leaves the meat. — USDA retention factors for Poultry Products, chicken simmered without drippings Evidence E source
  Retained: vitamin B6 50%, vitamin B12 50%, thiamin 55%, niacin 60%, potassium 60%, iron 90%, zinc 100%; with drippings kept, niacin retention is 95% for brown-and-simmer
• Grilling, broiling or roasting meat more than 15 times a month, chicken included, went with 28% higher type 2 diabetes risk than under 4 times, in three US cohorts of 138240 adults. — 52752 women (NHS), 60809 women (NHS II), 24679 men (HPFS) eating animal flesh at least twice a week (n = 138240) Evidence C source
  HR 1.28 (1.18 to 1.39) for open-flame or high-temperature cooking over 15 vs under 4 times a month; association held for chicken examined separately

What it does to your health

• Pooling 8 randomized trials with 406 people, swapping beef for poultry or fish made no significant difference to LDL cholesterol (-8.2 vs -8.9 mg/dL from baseline). — 406 subjects free of chronic disease in 8 randomized controlled trials, 1950 to 2010 (n = 406) Evidence A source
  Changes from baseline beef vs poultry/fish: total cholesterol -8.1 vs -6.2 mg/dL (P = .630), LDL -8.2 vs -8.9 (P = .905), HDL -2.3 vs -1.9, triglycerides -8.1 vs -12.9 (P = .367)
• In a randomized crossover trial of 113 healthy adults, 4 weeks of white meat raised LDL cholesterol and apoB as much as red meat did, both above nonmeat protein, whether saturated fat was high or low. — healthy men and women aged 21 to 65, BMI 20 to 35, 4 weeks per diet; 61 completers on high and 52 on low saturated fat (n = 113) Evidence B source
  LDL and apoB higher with red and white meat than nonmeat (P < 0.0001); no significant difference between red and white meat on primary outcomes
• In pooled cohorts of 1.4 million people, red and processed meat were tied to more ischemic heart disease, but poultry intake showed no association. — 13 prospective cohort articles, 1427989 participants, 32630 cases (n = 1427989) Evidence C source
  IHD RR per 50 g/day: unprocessed red meat 1.09, processed meat 1.18; poultry no association (10 studies)
• High poultry intake showed at most a weak link with lower total cancer mortality in 8 cohorts (RR 0.96, 95% CI 0.93 to 1.00), and no dose-response per 3.5 oz (100 g) a day. — 14 prospective studies, 2378204 participants, 96712 cancer deaths (8 studies for poultry) (n = 2378204) Evidence C source
  Highest vs lowest poultry RR 0.96 (0.93 to 1.00); per 100 g/day RR 0.97 (0.88 to 1.07)

Safety, limits and interactions

• Pooling 131 surveys, Campylobacter was found in about half of poultry product samples (51.9%, 95% CI 47.0 to 56.7), far more than in ready-to-eat foods. — 131 cross-sectional studies of Campylobacter prevalence in foods (n = 131 studies) Evidence C source
  Poultry products 51.9% (47.0 to 56.7); vegetable products 43.3%; ready-to-eat foods 5.5%
• A Dutch source attribution model found human Campylobacter infections to come mostly from the chicken reservoir, while Salmonella traced mainly to pigs followed closely by laying hens. — sporadic human infections in the Netherlands, pooled microbial subtyping and case-control attribution studies Evidence C source
  Campylobacter mostly attributable to chicken; Salmonella to pigs, closely followed by layers
• A review of 30 studies found mercury in poultry meat or eggs above regulatory limits (0.02 to 0.05 mg per kg) in 12 of 17 countries, highest in Colombian chicken eggs. — 30 studies from 17 countries measuring mercury and methylmercury in poultry meat and eggs (n = 30 studies) Evidence C source
  Levels above USDA, China NHC or Thailand limits in 12 of 17 countries

What people believe that the data does not support

• The old advice of chicken soup for a cold has thin support: 4 trials with 342 adults found soups, mostly chicken-based, shortened respiratory infections by about 1 to 2.5 days. — adults with acute respiratory tract infections, 4 studies, 342 participants (n = 342) Evidence B source
  Modest reductions in symptom severity and illness duration by 1 to 2.5 days; two studies reported lower IL-6, TNF-alpha, CRP

Who this works differently for

• In people with diabetes, crossover trials of diets built on plant or white meat protein instead of red meat cut urinary albumin excretion by about 14% (ratio 0.86), from 11 trials with 228 participants. — individuals with diabetes, 11 RCTs with 228 participants pooled (n = 228) Evidence A source
  Crossover trials: urinary albumin excretion ratio of means 0.86 (95% CI 0.80 to 0.94); GFR 0.90 (0.87 to 0.94); parallel trials not significant
• Across 7 cohorts with 354718 people, high poultry intake was not tied to stroke overall (RR 0.92, 95% CI 0.82 to 1.03), with a lower risk seen only in US and female subgroups. — 7 prospective cohorts, 354718 participants (n = 354718) Evidence C source
  Highest vs lowest poultry RR 0.92 (0.82 to 1.03); women RR 0.83 (0.72 to 0.93); per weekly serving RR 1.00

What is still unknown

• Of 525 studies on poultry and human health, only 64 were experimental, most compared poultry only indirectly with other foods, and none randomized people to processed poultry. — 525 articles on poultry intake and human health, systematically searched (n = 525 articles) Evidence C source
  366 observational, 64 experimental, 76 reviews; no RCTs and 1% of observational studies on processed poultry

The bottom line

The other cohort findings are small. Across 31 cohorts and nearly 2 million adults, each extra 3.5 oz (100 g) of poultry a day went with 8 percent higher type 2 diabetes incidence (HR 1.08, 95% CI 1.02 to 1.14), a link the authors found weaker under other modeling choices. High poultry intake showed a borderline link with lower cancer mortality in 8 cohorts (RR 0.96, 95% CI 0.93 to 1.00) and no dose-response per 3.5 oz (100 g) a day. For stroke the pooled estimate was RR 0.92 (95% CI 0.82 to 1.03), with lower risk only in US and female subgroups that the authors say need caution. Cooking method has its own association. In three US cohorts of 138240 adults, grilling, broiling or roasting meat more than 15 times a month went with 28 percent higher diabetes risk than under 4 times (HR 1.28, 1.18 to 1.39), still significant for chicken alone, on self-reported cooking. In people with diabetes, a meta-analysis of crossover trials found that diets built on plant or white meat protein in place of red meat cut urinary albumin by about 14 percent (ratio 0.86, 95% CI 0.80 to 0.94). White meat and plant protein were pooled, the trials were short and parallel trials showed no significant effect. Chicken soup for a cold is unsettled rather than disproved. Four small, varied studies in 342 adults found mostly chicken-based soups shortened respiratory infections by 1 to 2.5 days, and nobody pooled them. The caution with numbers behind it is raw meat. Pooling 131 surveys, Campylobacter was found in 51.9 percent of raw poultry product samples (95% CI 47.0 to 56.7), and a Dutch attribution model traced most human Campylobacter infections to chicken. Thorough cooking kills it, so the risk sits in undercooking and in juices reaching other food. A review of 30 studies found mercury above regulatory limits of 0.02 to 0.05 mg per kg in poultry meat or eggs in 12 of 17 countries, highest in Colombian chicken eggs, with eggs and liver making up most of the samples. By the USDA retention table, broiled chicken keeps 70 percent of its thiamin, 65 percent of vitamin B12 and 60 percent of folate, while zinc stays whole. The USDA rows on this page are mechanically deboned raw meat, 11.4 to 14.7 g of protein per 3.5 oz (100 g), an ingredient of processed products, far from a roast breast.

Sources

1. poul-r8-01 · USDA FoodData Central SR Legacy, dataset
   Poultry, mechanically deboned, from mature hens, raw (FDC 171106, SR Legacy, Poultry Products): cholesterol 143 MG = 48% DV; niacin 5.254 MG = 33% DV; protein 14.72 G = 29% DV; across 3 poultry records cholesterol 104-143, niacin 4.63-6.246, protein 11.39-14.72; none of the 3 is a Foundation record, so there is no sample spread
   USDA FoodData Central, SR Legacy, FDC 171106 · checked 2026-09-29
2. poul-r8-08 · meta-analysis of cohorts
   Greater consumption of each of the three types of meat was associated with increased incidence of type 2 diabetes, with HRs of 1·10 (95% CI 1·06-1·15) per 100 g/day of unprocessed red meat (I2=61%), 1·15 (1·11-1·20) per 50 g/day of processed meat (I2=59%), and 1·08 (1·02-1·14) per 100 g/day of poultry (I2=68%).
   Lancet Diabetes Endocrinol, 2024 · checked 2026-09-29
3. poul-r8-16 · national survey trend analysis
   During the same period, the mean consumption declined for unprocessed red meat (mean change= -56.7 g/wk; P trend<0.001) and increased for poultry (mean change=47.0 g/wk; P trend<0.001).
   J Acad Nutr Diet, 2019 · checked 2026-09-29
4. poul-r8-07 · scoping review
   The addition of muscle tissue and muscle tissue fractions to single plant-based meals steadily increased absorption of iron and zinc across studies. The efficacy of the meat factor in increasing iron and zinc absorption in the overall diet is less clear. No clear differences emerged between red meat, poultry, and fish in promoting the meat factor effect.
   Adv Nutr, 2022 · checked 2026-09-29
5. poul-r8-02 · USDA R6 retention factors, dataset
   USDA-RETN-R6:801 CHICKEN,BROILED (Poultry Products): folate 60%; vitamin B12 65%; thiamin 70%; niacin 80%; vitamin B6 80%; iron 90%; riboflavin 90%; zinc 100% retained
   USDA Table of Nutrient Retention Factors, Release 6 (2007) · checked 2026-09-29
6. poul-r8-03 · USDA R6 retention factors, dataset
   USDA-RETN-R6:855 CHICKEN,SIMMERED,WO/DRIPPINGS (Poultry Products): vitamin B6 50%; vitamin B12 50%; thiamin 55%; niacin 60%; potassium 60%; iron 90%; zinc 100% retained
   USDA Table of Nutrient Retention Factors, Release 6 (2007) · checked 2026-09-29
7. poul-r8-12 · prospective cohorts
   When comparing open-flame and/or high-temperature cooking >15 times/month with <4 times/month, the pooled hazard ratio (HR) (95% CI) of T2D was 1.28 (1.18, 1.39; Ptrend <0.001). ... These associations remained significant when red meat and chicken were examined separately.
   Diabetes Care, 2018 · checked 2026-09-29
8. poul-r8-04 · meta-analysis of RCTs
   RESULTS: Relative to the baseline diet, mean ± standard error changes (in mg/dL) after beef versus poultry/fish consumption, respectively, were -8.1 ± 2.8 vs. -6.2 ± 3.1 for total cholesterol (P = .630), -8.2 ± 4.2 vs. -8.9 ± 4.4 for low-density lipoprotein cholesterol (P = .905), -2.3 ± 1.0 vs. -1.9 ± 0.8 for high-density lipoprotein cholesterol (P = .762), and -8.1 ± 3.6 vs. -12.9 ± 4.0 mg/dL for triacylglycerols (P = .367).
   J Clin Lipidol, 2012 · checked 2026-09-29
9. poul-r8-05 · randomized controlled trial
   LDL cholesterol and apoB were higher with red and white meat than with nonmeat, independent of SFA content (P < 0.0001 for all, except apoB: red meat compared with nonmeat [P = 0.0004]). ... Primary outcomes did not differ significantly between red and white meat.
   Am J Clin Nutr, 2019 · checked 2026-09-29
10. poul-r8-09 · meta-analysis of cohorts
    There was no association with poultry intake (nstudies = 10).
    Crit Rev Food Sci Nutr, 2023 · checked 2026-09-29
11. poul-r8-11 · meta-analysis of cohorts
    Comparing the highest category of consumption with lowest category, pooled relative risk (RR) of total cancer mortality was 0.99 (95% confidence interval [CI], 0.94-1.05) for fish (10 studies) and 0.96 (95% CI, 0.93-1.00) for poultry (8 studies), respectively.
    Nutr Cancer, 2018 · checked 2026-09-29
12. poul-r8-13 · meta-analysis of prevalence surveys
    From the meta-analysis conducted at a 95% confidence interval, Campylobacter was highly prevalent in poultry products (51.9% [47.0-56.7]) and vegetable products (43.3% [17.9-68.7]), but least prevalent in ready-to-eat foods (5.50% [-0.31-11.3]).
    Crit Rev Food Sci Nutr, 2026 · checked 2026-09-29
13. poul-r8-14 · source attribution meta-analysis
    All pathogens were predominantly foodborne, with Campylobacter being mostly attributable to the chicken reservoir, Salmonella to pigs (albeit closely followed by layers), and Listeria and STEC O157 to cattle.
    Zoonoses Public Health, 2022 · checked 2026-09-29
14. poul-r8-15 · systematic review
    Levels above those permitted by regulatory organizations such as the United States Department of Agriculture (USDA), China's National Health Commission (NHC), and Thailand's Ministry of Public Health - set at 0.05, 0.05, and 0.02 mg.kg-1 respectively - were observed in 12 of the 17 countries, with the highest concentrations detected in chicken eggs from Colombia.
    Biol Trace Elem Res, 2026 · checked 2026-09-29
15. poul-r8-17 · systematic review of trials
    Interventions commonly included chicken-based soups with vegetables and herbs. Comparators varied (e.g., no treatment, water, or alternative soup). Findings showed modest reductions in symptom severity and illness duration (by 1-2.5 days).
    Nutrients, 2025 · checked 2026-09-29
16. poul-r8-06 · meta-analysis of RCTs
    Interventions consisted of diets emphasizing plant or white meat protein, with reduced intake of animal or red meat protein. Pooled data from crossover trials (n = 8) favored intervention diets for urinary albumin excretion (ratio of means, 0.86; 95% confidence interval 0.80 to 0.94; I2 = 4%) and glomerular filtration rate (ratio of means, 0.90; 95% confidence interval 0.87 to 0.94; I2 = 45%), compared with control diets.
    Nutr Rev, 2022 · checked 2026-09-29
17. poul-r8-10 · meta-analysis of cohorts
    The pooled RR of total stroke risk was [RR = 0.92 95% CI, 0.82, 1.03, I2 = 19.8%, Pheterogeneity = 0.28] for the highest versus lowest categories of poultry intake. Subgroup analysis showed an inverse associations for the US people [RR = 0.86 95% CI, 0.77, 0.95, I2 = 0.0%, Pheterogeneity = 0.38] and women [RR = 0.83, 95% CI, 0.72, 0.93, I2 = 0.0%, Pheterogeneity = 0.63].
    Clin Nutr ESPEN, 2018 · checked 2026-09-29
18. poul-r8-18 · scoping review
    A paucity of research exists to support poultry as health-promoting foods, with most research only indirectly assessing poultry intake compared with other foods of interest (e.g., red meats or plant-based protein foods). No randomized controlled trials and only 1% of OBS assessed the influence of processed poultry intake on human health.
    Adv Nutr, 2022 · checked 2026-09-29