Egg white protein

Also called egg albumen, egg albumin protein, dried egg white, egg white powder, egg protein powder, egg protein hydrolysate.

Best grade D across 7 graded outcomes Other Last checked Oct 25, 2026

The short answer

From 10 sources

Egg white protein is a protein powder with little human trial data. In 30 female athletes, 15 g a day for 8 weeks did not beat a carbohydrate drink for strength or lean mass. A 2026 meta-analysis found benefits mainly in dialysis patients, with very-low-to-low certainty, and none shown for healthy adults.

Every graded outcome on this page

7 rows · line = participants

Grade DSerum albumin and phosphorus in dialysis; other outcomesDialysis nutritionn 1,938
Grade DSerum phosphorus and nutrition markers on hemodialysisDialysis nutritionn 98
Grade DEndothelial function with an egg protein hydrolysateHeart and vesselsn 44
Grade DFat-free mass and muscle strengthMuscle and strengthn 30
Grade DAppendicular muscle mass, strength and functionMuscle and strengthn 29
Grade DPost-exercise muscle protein synthesisMuscle and strengthn 10
No effectBlood pressure and arterial stiffness with an ovalbumin hydrolysateHeart and vesselsn 65
4 more graded outcomes, in the evidence chapter

Key facts

Strength and lean mass: 15 g/day for 8 weeks in 30 female athletes: no difference from a maltodextrin drink in fat-free mass or 1RM strength²
Older women: 20 g protein/day for 6 months in 29 women aged 60+: no significant between-group differences; the trial was under-recruited³
Dialysis: Pooled serum albumin +0.42 g/dL (4 RCTs, GRADE very low) and phosphorus -2.04 mg/dL (2 RCTs, GRADE low)⁶
Healthy adults: The 2026 authors found evidence lacking to support routine use in healthy adults or other clinical groups⁶
Blood pressure: A 3 g/day ovalbumin hydrolysate did not change blood pressure in 65 adults with mildly raised readings⁸
Allergy: Egg is a major US food allergen; ovomucoid and ovalbumin are the main egg white allergens^9,10

What it is

Egg white protein is the protein fraction of egg whites, sold as a dried powder or as peptide hydrolysates, mostly as a fat-free, dairy-free protein source.

How it works

Proposed

Egg white protein is a fast-digesting protein that supplies leucine with almost no fat. In a leucine tracer crossover it appeared in the blood faster than protein from whole eggs. Peptide hydrolysates are studied separately for blood pressure and vessel effects, but the human evidence is mixed.^4,7,8

Forms, side by side

2 forms named in our sources. The rest show what our data holds, and say plainly where it holds nothing yet.

Egg white protein forms compared

2 forms

Egg white protein forms compared: 2 forms by 3 attributes. Empty cells are labelled No data yet, or Not graded in the evidence row.
2 forms	Powder (dried or spray-dried egg white)	Egg protein hydrolysates (NWT-03, ovalbumin hydrolysate, fermented egg white peptide)
Absorption in people	In a leucine tracer crossover, protein-derived leucine appeared in the blood faster after egg whites than after whole eggs (P = 0.01); total leucine availability over 300 minutes was similar (66% vs 68%).⁴	Not reported in the cited abstracts.⁷
GI tolerance	No adverse-event signal was highlighted in the cited abstracts, but none of the trials was designed mainly to test safety.^2,3,5	Not reported separately in the cited abstracts.^7,8
Studied for	Strength with training (15 to 20 g/day) and dialysis nutrition (24 g/day)	Blood pressure (3 g/day, 6 weeks) and vessel function (5.7 g/day, 36 weeks)

Egg white protein powder (dried or spray-dried egg white)
Absorption in people
In a leucine tracer crossover, protein-derived leucine appeared in the blood faster after egg whites than after whole eggs (P = 0.01); total leucine availability over 300 minutes was similar (66% vs 68%).⁴
GI tolerance
No adverse-event signal was highlighted in the cited abstracts, but none of the trials was designed mainly to test safety.^2,3,5
Studied for
Strength with training (15 to 20 g/day) and dialysis nutrition (24 g/day)
Egg protein hydrolysates (NWT-03, ovalbumin hydrolysate, fermented egg white peptide)
Absorption in people
Not reported in the cited abstracts.⁷
GI tolerance
Not reported separately in the cited abstracts.^7,8
Studied for
Blood pressure (3 g/day, 6 weeks) and vessel function (5.7 g/day, 36 weeks)

What the human research says

Human trials only, one row per outcome. The form line shows what each trial actually tested. Grades follow our evidence-grading policy.

Trial map

7 graded outcomes, largest study first

7 graded outcomes: 1 improved, 3 mixed, 3 no effect. The largest, a 2026 meta-analysis of 1,938 people on serum albumin and phosphorus in dialysis; other outcomes, found an improvement.

By sizeTable

1Serum albumin and phosphorus in dialysis; other outcomes

Improved · Grade D · Meta-analysis, 1,938 people, 2026

Adults in 30 RCTs of egg-derived proteins and peptides (dialysis patients, adults with obesity or raised blood pressure, others)

Dose, result and source

Every graded outcome on this page, largest study first
Outcome	Found	People	Study	Who was studied
Serum albumin and phosphorus in dialysis; other outcomes	Improved	1,938	Grade D · Meta-analysis, 2026	Adults in 30 RCTs of egg-derived proteins and peptides (dialysis patients, adults with obesity or raised blood pressure, others)
Serum phosphorus and nutrition markers on hemodialysis	Mixed	98	Grade D · RCT, 2024	Maintenance hemodialysis patients randomized to four groups of about 24
Blood pressure and arterial stiffness with an ovalbumin hydrolysate	No effect	65	No-effect grade · Crossover RCT, 2019	Adults aged 50 to 70 with systolic blood pressure 130 to 150 mmHg (65 analysed)
Endothelial function with an egg protein hydrolysate	Mixed	44	Grade D · RCT, 2024	Adults aged 60 to 75 with overweight or obesity and elevated subjective cognitive failures
Fat-free mass and muscle strength	No effect	30	Grade D · RCT, 2012	Healthy female collegiate athletes
Appendicular muscle mass, strength and function	No effect	29	Grade D · Pilot RCT, 2022	Community-dwelling women aged 60 or older (mean 73.6) with reduced muscle strength or function; 16 intervention, 13 control
Post-exercise muscle protein synthesis	Mixed	10	Grade D · Crossover RCT, 2017	Resistance-trained young men (age 21)

Every graded row

7 rows

Form tested

Showing 7 of 7 outcomes. Human trials only.

Grade DSerum albumin and phosphorus in dialysis; other outcomesDialysis nutritionAlbumin and phosphorus changes in dialysis; nothing shown for healthy adultsMeta-analysis · 30 studies
n 1,938 · 2026

Improved In dialysis patients, egg white raised serum albumin by 0.42 g/dL (95% CI 0.12 to 0.72; 4 RCTs; GRADE very low) and lowered phosphorus by 2.04 mg/dL (2 RCTs; GRADE low). A lactic-fermented egg white peptide lowered visceral fat area by 11.6 cm2 (2 RCTs; GRADE very low). NWT-03 hydrolysate did not change blood pressure (+0.5 mmHg).

Design: Meta-analysis, 30 studies, n = 1,938, 2026
Population: Adults in 30 RCTs of egg-derived proteins and peptides (dialysis patients, adults with obesity or raised blood pressure, others)
Form: Egg white protein plus egg peptide hydrolysates
Dose: Varied by trial
Duration: Varied by trial
Source: Reference 6 · PubMed 41978105 (opens PubMed)

Grade DSerum phosphorus and nutrition markers on hemodialysisDialysis nutritionRaised albumin; did not lower phosphorus more than niacinRCT
n 98 · 2024

Mixed Only phosphorus differed among groups: lower with niacin (4.38 mg/dL) than with egg white (5.07) or egg white plus niacin (5.41). Albumin rose in both egg white groups; Kt/V and urea reduction ratio rose only with egg white alone.

Design: RCT, n = 98, 2024
Population: Maintenance hemodialysis patients randomized to four groups of about 24
Form: Egg white protein, alone or with niacin
Dose: 24 g egg white/day (other arms added niacin)
Duration: 8 weeks
Source: Reference 5 · PubMed 38281653 (opens PubMed)

Grade DEndothelial function with an egg protein hydrolysateHeart and vesselsOne vessel measure improved; others unchangedRCT
n 44 · 2024

Mixed Brachial flow-mediated dilation trended up 0.3 percentage points (p = 0.08, not significant); carotid artery reactivity improved 0.7 points (p = 0.03). Arterial stiffness, retinal vessels and cardiometabolic markers did not change.

Design: RCT, n = 44, 2024
Population: Adults aged 60 to 75 with overweight or obesity and elevated subjective cognitive failures
Form: Egg-protein hydrolysate NWT-03 (not egg white powder)
Dose: 5.7 g/day vs maltodextrin placebo
Duration: 36 weeks
Source: Reference 7 · PubMed 39718599 (opens PubMed)

Grade DFat-free mass and muscle strengthMuscle and strengthNo added strength or lean mass vs carbohydrateRCT
n 30 · 2012

No effect Fat-free mass and 1RM strength (leg curl, leg extension, squat, bench press) increased in both groups. Compared with the carbohydrate supplement, the protein supplement was not associated with changes in body composition or muscle strength. Serum urea and citrulline rose only in the protein group.

Design: RCT, n = 30, 2012
Population: Healthy female collegiate athletes
Form: Egg white protein powder
Dose: 15 g protein/day (75 kcal) before training vs 17.5 g maltodextrin
Duration: 8 weeks
Source: Reference 2 · PubMed 23201768 (opens PubMed)

Grade DAppendicular muscle mass, strength and functionMuscle and strengthNo significant difference vs maltodextrinPilot RCT
n 29 · 2022

No effect No significant between-group differences for any measure. Within the egg white group, protein intake, handgrip strength and arm curls improved. Under-recruitment and a high dropout rate limited the power to detect differences.

Design: Pilot RCT, n = 29, 2022
Population: Community-dwelling women aged 60 or older (mean 73.6) with reduced muscle strength or function; 16 intervention, 13 control
Form: Dried egg white
Dose: 20 g protein/day vs isocaloric maltodextrin
Duration: 6 months
Source: Reference 3 · PubMed 34730461 (opens PubMed)

Grade DPost-exercise muscle protein synthesisMuscle and strengthFast digestion; less muscle protein synthesis than whole eggCrossover RCT
n 10 · 2017

Mixed Leucine from egg whites appeared in the blood faster than from whole eggs (P = 0.01), while total leucine availability was similar (66% vs 68%). Both raised mTORC1 signaling, but whole eggs produced a greater myofibrillar protein synthetic response (P = 0.04).

Design: Crossover RCT, n = 10, 2017
Population: Resistance-trained young men (age 21)
Form: Egg whites (18 g protein) vs whole eggs (18 g protein, 17 g fat)
Dose: 18 g protein, single post-exercise serving
Duration: Single dose, 300 min follow-up
Source: Reference 4 · PubMed 28978542 (opens PubMed)

No effectBlood pressure and arterial stiffness with an ovalbumin hydrolysateHeart and vesselsNo blood pressure effectCrossover RCT
n 65 · 2019

No effect Office and central blood pressure, arterial stiffness, lipids and glucose did not differ between the hydrolysate and placebo.

Design: Crossover RCT, n = 65, 2019
Population: Adults aged 50 to 70 with systolic blood pressure 130 to 150 mmHg (65 analysed)
Form: Egg ovalbumin-derived protein hydrolysate
Dose: 3 g/day vs placebo
Duration: Two 6-week periods, 3-week washout
Source: Reference 8 · PubMed 30284065 (opens PubMed)

What the numbers add up to

Each point is worked out from the data and the sources numbered on this page, with the arithmetic shown under it. It adds no new data and is not medical advice.

Fast digestion has not translated into a measured training edge

Egg white protein reaches the blood quickly, yet in 30 female athletes it did not beat a carbohydrate drink for strength or lean mass, and in a tracer study whole eggs stimulated muscle protein synthesis more.^2,4

The best-supported use is clinical nutrition in dialysis

The pooled benefit in the 2026 meta-analysis was for albumin and phosphorus in dialysis patients, graded very low to low certainty, and it was not shown for healthy adults.^5,6

Hydrolysates and powders should not be pooled in your head

Blood pressure did not change with an ovalbumin hydrolysate in one trial or with the NWT-03 hydrolysate in pooled trials, and the one vessel signal came from NWT-03, so none of it describes plain egg white powder.^6,7,8

Studied doses

Doses used in research, shown against the official limits. They describe the studies, not a recommendation for you.

Studied doses in research, not advice. These are amounts used in research, not personal advice. Your clinician or pharmacist can say what fits you.

Doses studied in human trials

NIH ODS updated Apr 1, 2024

Doses studied in human trials ranged from 3 g a day of an ovalbumin hydrolysate for 6 weeks to 24 g a day of egg white for 8 weeks in dialysis patients; egg white powders supplying 15 to 20 g of protein a day were studied for 8 weeks to 6 months, and 5.7 g a day of a hydrolysate for 36 weeks. These are research doses, not advice.^8,5,2,3,7

Intake reference: Protein RDA: 0.8 g/kg/day for healthy adults and 0.85 g/kg/day for adolescents. The NIH fact sheet notes that athletes may need more; it does not set an upper limit for protein.¹ The Food and Nutrition Board has not set a UL for protein but advises caution with high intakes from foods plus supplements because data on adverse effects are limited. NIH ODS fact sheet (updated April 1, 2024).

Interactions and safety

Published interactions only: each row cites a source. No row means none was found in our sources, not that a combination is safe.

Interactions

0 agents

None found in our sources.

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Who should be careful

4 groups

Egg allergy: Egg is a major US food allergen, and the main egg white allergens are ovomucoid and ovalbumin. People with IgE-mediated egg allergy should avoid egg white protein products; reactions range from hives to anaphylaxis.^9,10
Kidney disease and dialysis: The dialysis trials were run in supervised patients, and in one of them niacin lowered phosphorus more than egg white (4.38 vs 5.07 mg/dL). Protein and phosphorus targets in kidney disease are individual, so anyone with kidney disease should ask their care team before adding a protein powder.^5,6
Expecting extra muscle or heart benefits: In the cited trials egg white protein did not beat a carbohydrate drink for strength or lean mass, and an ovalbumin hydrolysate did not change blood pressure.^2,3,8
Pregnancy, breastfeeding and children: No egg white protein supplement studies in these groups were found in the sources reviewed, so safety of concentrated products is unknown.¹

How to read the label

What to check on the Supplement Facts panel.

How to read the label

4 checks

Check protein grams, not scoop size

Trials used 15 to 24 g of protein or egg white per day, so compare grams of protein per serving.^2,3,5

Know powder versus hydrolysate

Egg white powder and branded egg peptide hydrolysates (such as NWT-03) are different products with different studies; the blood pressure and vessel trials used hydrolysates at 3 to 5.7 g a day.^7,8

Read the allergen statement

FDA requires packaged foods and dietary supplements to declare egg, in the ingredient list or in a 'Contains' statement.⁹

Regulatory status

Egg white protein is a food ingredient and has no FDA-approved health claim in the sources reviewed. The FDA allergen page notes that egg products themselves are regulated by USDA rather than FDA.⁹

Label X-RayPhotograph a bottle's Supplement Facts panel and see each line, egg white protein included, beside the doses and forms the trials used

Frequently asked questions

Short answers to common questions; the numbers link to the sources below.

Common questions

6 answers

What is egg white protein?

The protein fraction of egg whites, sold as a dried powder or as peptide hydrolysates. It is a fat-free, dairy-free protein source.⁴

Does egg white protein build more muscle than other proteins?

Not in the cited trials. In 30 female athletes, 15 g a day for 8 weeks did not beat a carbohydrate drink for strength or lean mass, and no trial here compared it with whey.²

Is egg white protein good for older adults?

A pilot of 29 women aged 60+ found no significant between-group differences after 6 months of 20 g protein a day, though it was under-recruited.³

Does egg white help people on dialysis?

A 2026 meta-analysis found higher serum albumin and lower phosphorus with egg white in dialysis patients, but the certainty was very low to low and the trials were small.⁶

Do egg peptides lower blood pressure?

Not in the cited human trials: a 3 g/day ovalbumin hydrolysate did not change blood pressure in 65 adults, and the meta-analysis found no effect for NWT-03.^6,8

Who should avoid egg white protein?

Anyone with an egg allergy. Egg is one of the nine major US food allergens and labels must declare it.^9,10

Sources

10 sources: trial abstracts, NIH fact sheets and reference databases. Numbers in the text link here.

Sources cited on this page

10 sources

1Exercise and Athletic Performance: Health Professional Fact SheetFact sheet NIH Office of Dietary Supplements, 2024 · ods.od.nih.gov
2Effects of egg white protein supplementation on muscle strength and serum free amino acid concentrations.RCT Nutrients, 2012 · PMID 23201768
3Egg protein supplementation improved upper body muscle strength and protein intake in community-dwelling older adult females who attended congregate meal sites or adult learning centers: A pilot randomized controlled trial.Pilot RCT Nutr Health, 2022 · PMID 34730461
4Consumption of whole eggs promotes greater stimulation of postexercise muscle protein synthesis than consumption of isonitrogenous amounts of egg whites in young men.Crossover RCT Am J Clin Nutr, 2017 · PMID 28978542
5Effect of Egg-White Protein Alone or Combined With Niacin on Nutritional Status, and Phosphorus Control in Maintenance Hemodialysis Patients: A Randomized Controlled Trial.RCT J Ren Nutr, 2024 · PMID 38281653
6Oral Egg-Derived Protein and Peptide Supplementation for Health Outcomes in Adults: Systematic Review and Meta-Analysis.Meta-analysis Nutrients, 2026 · PMID 41978105
7Long-term egg-protein hydrolysate consumption improves endothelial function: a randomized, double-blind, placebo-controlled trial in older adults with overweight or obesity.RCT Eur J Nutr, 2024 · PMID 39718599
8Effect of an egg ovalbumin-derived protein hydrolysate on blood pressure and cardiovascular risk in adults with a mildly elevated blood pressure: a randomized placebo-controlled crossover trial.Crossover RCT Eur J Nutr, 2019 · PMID 30284065
9Food Allergies (eggs are one of nine major food allergens; allergen source must be declared on packaged foods and dietary supplements; egg products are regulated by USDA)Fact sheet U.S. Food and Drug Administration, 2026 · fda.gov
10IgE-mediated allergy to egg protein.Review Allergol Immunopathol (Madr), 2025 · PMID 40682244

What changed

Every dated change to this page: what changed, who made it and why.

Change log

2 entries

Dated changes to this page
Date	Change	Who and why
Oct 25, 2026evidence	Adversarial review: 30-athlete strength trial regraded no-effect to D (too small to show no effect); meta-analysis study count set to 30; the dialysis trial's misprinted niacin dose is no longer interpreted; hydrolysate insight corrected (the null pooled blood-pressure result and the vessel signal both concern NWT-03, not ovalbumin hydrolysate); unsupported "complete protein" wording removed from the mechanism. FDA allergen and USDA egg-products statements re-read on the FDA page (content current as of 2026-03-11).	Writer: Kymata Health EditorialTrigger: adversarial review
Oct 17, 2026all	Initial editorial evidence review. Every PMID checked against NCBI E-utilities esummary (title, year, journal) and each cited abstract read; figures taken from the abstracts. Allergen rule from the FDA food allergies page (content dated 2026-03-11). The 2026 meta-analysis is very recent and its pooled results are low-certainty.	Writer: Kymata Health EditorialTrigger: new page

Supplement & Nutrient Encyclopedia. Educational information only; it is not medical advice and does not replace a clinician. Dietary supplements are not intended to diagnose, treat, cure or prevent any disease. Statements about supplements have not been evaluated by the FDA.