Corned beef hash: a salt question first

A meta-analysis of 133 randomized trials in 12,197 adults, with and without high blood pressure, found that cutting sodium by an average of 130 mmol a day lowered systolic blood pressure by 4.26 mm Hg (95% CI 3.62 to 4.89). That is the firmest evidence on this page, and it reaches corned beef hash only through its salt. A 220 g cup of the canned hash in the US survey database carries about 906 mg of sodium, roughly 39 mmol. The same cup gives 361 calories, 9.5 g of saturated fat and 19 g of protein, and brands differ. A homemade hash in the UK composition table lists 321 mg of sodium and 141 calories per 3.5 oz (100 g), against 412 mg and 164 calories per 3.5 oz (100 g) for the US canned food. The two are different recipes, so the gap is expected. We found no study of hash itself, so everything about health here comes from research on sodium, red meat or processed meat.

Every statement here is tied to a source. The badge says what kind of evidence stands behind it: A is a meta-analysis or systematic review, E is the position of an expert body without its own analysis. How we verify →

As people eat it, per 3.5 oz (100 g)

As eaten	kcal	Protein	Fat	Carbs	Fiber
Corned beef hash	164	8.73 g	10.2 g	9.27 g	1.1 g

USDA Food and Nutrient Database for Dietary Studies (FNDDS, release 2024-10-31): corned beef hash as it is prepared and served, from the recipes behind the national dietary survey, rather than a single laboratory sample.

How much is actually in it

Homemade corned beef hash in the UK table has 321 mg sodium and 141 calories per 3.5 oz (100 g), below the 412 mg and 164 calories listed for the US canned version. — UK composition table food Corned beef hash, homemade Evidence E source
Per 100 g: energy 141 calories, sodium 321 mg, protein 10.5 g, fat 5.9 g, fiber 1.3 g

What a real portion looks like

A 220 g cup of canned corned beef hash provides about 361 calories, 906 mg of sodium, 9.5 g of saturated fat and 19 g of protein. — US survey food Corned beef hash Evidence E source
Per 100 g: 164 calories, sodium 412 mg, saturated fat 4.32 g, protein 8.73 g; 1 cup 220 g, small can 198 g

What your body absorbs

In a randomized crossover feeding trial in 19 women, meat diets raised non-heme iron absorption to 7.9 percent from 5.3 percent on a vegetarian diet over 5-day periods. — 19 healthy women on three 5-day whole-diet periods, two with meat and one vegetarian, all high in phytic acid (n = 19) Evidence B source
Fractional non-heme iron absorption 7.9 and 6.8 percent with meat vs 5.3 percent vegetarian

What it does to your health

A network meta-analysis of 36 RCTs found that replacing red meat with plant protein lowered LDL cholesterol by about 7.3 mg/dL (0.19 mmol/L), with low to very low certainty. — Adults in RCTs comparing red meat diets with diets replacing red meat, to April 2024 (n = 36 RCTs) Evidence A source
LDL-C MD -7.3 mg/dL (-0.19 mmol/L) (95% CrI -0.36 to -0.03); TC MD -0.14 mmol/L for plant protein vs red meat
Pooled cohort data link swapping processed meat for legumes with 23 percent lower cardiovascular disease risk, at moderate certainty. — Adults in 24 prospective cohorts, 37 publications, searches to March 2023 (n = 8 cohorts for this comparison) Evidence C source
SHR 0.77 (95% CI 0.68 to 0.87) for processed meat to legumes; 0.73 for nuts, 0.64 for whole grains
Observational data pooled across 54 meta-analyses link each extra 50 g a day of processed meat with 17 percent higher colorectal cancer risk and 72 percent higher gastric cancer risk. — Adults in observational studies pooled by 34 systematic reviews and meta-analyses of processed meat, to May 2025 (n = 34 articles, 54 meta-analyses) Evidence C source
Per 50 g a day: gastric cancer +72 percent, colorectal cancer +17 percent, prostate cancer +4 percent, COPD +8 percent

Safety, limits and interactions

A meta-analysis of 133 randomized trials in 12,197 adults found cutting sodium lowered systolic blood pressure by 4.26 mm Hg, with larger falls in older and non-white people. — Adults with and without hypertension in randomized sodium trials with 24-hour urine sodium (n = 12197) Evidence A source
SBP -4.26 mm Hg (95% CI 3.62 to 4.89) for a mean 130 mmol cut in 24-hour urinary sodium; -1.10 mm Hg per 50 mmol
In US exposure estimates, whole-muscle brine-cured products such as corned beef are one of the two largest sources of nitrite and nitrate from cured meats, for children aged 2 to 5 as well as older people. — US population aged 2 years and older and children aged 2 to 5, NHANES 2009-2012 (n = national survey data) Evidence C source
Brine-cured whole-muscle products among the two major contributing categories; no milligram totals in abstract

The bottom line

The processed meat evidence is observational and weak. An umbrella review pooling 54 meta-analyses linked each extra 50 g a day of processed meat with a 17 percent higher risk of colorectal cancer and a 72 percent higher risk of gastric cancer. Its own grading put that evidence at low to very low certainty. A hash is only partly corned beef, so a cup is not 7.8 oz (220 g) of processed meat. Pooled cohort models link replacing processed meat with legumes to a 23 percent lower risk of cardiovascular disease (hazard ratio 0.77, 95% CI 0.68 to 0.87), at moderate certainty. These are modeled swaps inside cohort data, and nobody was assigned to change diet. In trials, a network meta-analysis of 36 RCTs found plant protein lowered LDL cholesterol by 7.3 mg/dL (0.19 mmol/L) more than red meat did, at low to very low certainty. Those trials studied red meat in general, with no cured or canned meat singled out. Meat did one useful thing in a randomized crossover trial in 19 healthy women. Whole diets containing fresh meat raised absorption of non-heme iron to 7.9 and 6.8 percent, against 5.3 percent on a vegetarian diet, over 5-day periods. Corned beef was not tested. Some people should take more care. The blood pressure fall from cutting sodium was larger in older people, in non-white populations and in people starting with higher blood pressure. A US exposure estimate from national survey data named cured cooked sausages and whole-muscle brine-cured meats as the two largest sources of dietary nitrite and nitrate from cured meats. That held for children aged 2 to 5 as well as for everyone aged 2 and up. The abstract gives no milligram amounts and does not name hash. We have no card on pregnancy or medicines for this food.

Related foods

Corned beef: the science is filed under processed meat

Sources

cbhh-daily-r1-02 · food composition data
Corned beef hash, homemade (CoFID 19-572): Energy 141 kcal; Sodium 321 mg; Protein 10.5 g; Fat 5.9 g; AOAC fibre 1.3 g per 100 g
CoFID 2021, Public Health England, Corned beef hash, homemade, code 19-572 · checked 2026-10-01
cbhh-daily-r1-01 · food composition and portion data
Corned beef hash (FDC 2706477): Energy 164 kcal; Sodium 412 mg; Fatty acids, total saturated 4.32 g; Protein 8.73 g per 100 g; 1 cup, canned 220 g
USDA FNDDS 2021-2023, Corned beef hash, FDC 2706477 · checked 2026-10-01
cbhh-daily-r1-07 · randomized crossover trial
The mean fractional absorption of non-haem iron was 7.9 (se1.1), 6.8 (se 1.0) and 5.3 (se 0.6) % for the Danish and Polish meat diets and vegetarian diet, respectively.
Br J Nutr, 2005 · checked 2026-10-01
cbhh-daily-r1-04 · network meta-analysis of RCTs
Thirty-six RCTs were included in the analysis. Consuming plant proteins resulted in a greater reduction in total cholesterol (TC) levels (mean difference (MD) = -0.14; 95 % credible interval (CrI): -0.28 to -0.001, p < 0.05) and low-density lipoprotein cholesterol (LDL-C) levels (MD = -0.19; 95 % CrI: -0.36 to -0.03, p < 0.05) compared to red meat interventions. ... The certainty of the evidence for all outcomes ranged from very low to low.
Clin Nutr, 2025 · checked 2026-10-01
cbhh-daily-r1-05 · meta-analysis of cohorts
There was moderate CoE for a lower risk of CVD when substituting processed meat with nuts [SHR (95% CI): 0.73 (0.59, 0.91), n = 8 cohorts], legumes [0.77 (0.68, 0.87), n = 8], and whole grains [0.64 (0.54, 0.75), n = 7]
BMC Med, 2023 · checked 2026-10-01
cbhh-daily-r1-06 · umbrella review
Dose-response analysis revealed that an increase in PM consumption of 50 g/day was associated with a 72% higher risk of gastric cancer, 17% higher risk of colorectal cancer, 4% higher risk of prostate cancer, and an 8% higher risk of chronic obstructive pulmonary disease (COPD).
Front Public Health, 2026 · checked 2026-10-01
cbhh-daily-r1-03 · meta-analysis of RCTs
133 studies with 12 197 participants were included. The mean reductions (reduced sodium v usual sodium) of 24 hour urinary sodium, systolic blood pressure (SBP), and diastolic blood pressure (DBP) were 130 mmol (95% confidence interval 115 to 145, P<0.001), 4.26 mm Hg (3.62 to 4.89, P<0.001), and 2.07 mm Hg (1.67 to 2.48, P<0.001), respectively. ... For the same reduction in 24 hour urinary sodium there was greater SBP reduction in older people, non-white populations, and those with higher baseline SBP levels.
BMJ, 2020 · checked 2026-10-01
cbhh-daily-r1-08 · exposure assessment
Cured, cooked sausages and whole-muscle brine-cured products were the two major contributing categories to dietary exposure of nitrite and nitrate for both U.S. population aged 2 years and older and children aged 2-5 years.
Food Addit Contam Part A Chem Anal Control Expo Risk Assess, 2018 · checked 2026-10-01

Review. Reviewed on 2026-10-01 for evidence level, dose and population context, and claims a reader could misread. Bioma Learn has no human medical reviewer at this time, and we say so rather than invent one. Methodology. This is information, not medical advice.