
Spinach
BLS 4.0 food: Spinach raw (Spinat roh), code G211100 · cross-reference USDA FDC #168462
Per portion (100 g)
Verified benefits — authorised EU health claims
Spinach meets the legal condition for these claims (Regulation (EC) No 1924/2006 and (EU) No 432/2012). The numbers show exactly why.
Protein contributes to a growth in muscle mass.
Protein contributes to the maintenance of muscle mass.
Protein contributes to the maintenance of normal bones.
Vitamin A contributes to normal iron metabolism.
Vitamin A contributes to the maintenance of normal mucous membranes.
Vitamin A contributes to the maintenance of normal skin.
Show 36 more authorised claims
Vitamin A contributes to the maintenance of normal vision.
Vitamin A contributes to the normal function of the immune system.
Vitamin C contributes to normal collagen formation for the normal function of blood vessels.
Vitamin C contributes to normal collagen formation for the normal function of bones.
Vitamin C contributes to normal collagen formation for the normal function of cartilage.
Vitamin C contributes to normal collagen formation for the normal function of gums.
Vitamin C contributes to normal collagen formation for the normal function of skin.
Vitamin C contributes to normal energy-yielding metabolism.
Vitamin C contributes to normal psychological function.
Vitamin C contributes to the normal function of the immune system.
Vitamin C contributes to the protection of cells from oxidative stress.
Vitamin C contributes to the reduction of tiredness and fatigue.
Vitamin C increases iron absorption.
Vitamin E contributes to the protection of cells from oxidative stress.
Vitamin K contributes to normal blood clotting.
Vitamin K contributes to the maintenance of normal bones.
Folate contributes to maternal tissue growth during pregnancy.
Folate contributes to normal blood formation.
Folate contributes to normal psychological function.
Folate contributes to the normal function of the immune system.
Folate contributes to the reduction of tiredness and fatigue.
Folate has a role in the process of cell division.
Magnesium contributes to a reduction of tiredness and fatigue.
Magnesium contributes to normal muscle function.
Magnesium contributes to normal psychological function.
Magnesium contributes to normal protein synthesis.
Magnesium contributes to the maintenance of normal bones.
Potassium contributes to the maintenance of normal blood pressure.
Potassium contributes to normal muscle function.
Iron contributes to normal cognitive function.
Iron contributes to normal formation of red blood cells and haemoglobin.
Iron contributes to normal oxygen transport in the body.
Iron contributes to the normal function of the immune system.
Iron contributes to the reduction of tiredness and fatigue.
Manganese contributes to the maintenance of normal bones.
Manganese contributes to the normal formation of connective tissue.
Also low in sodium and saturated fat — which relates to the authorised claims: “Reducing consumption of sodium contributes to the maintenance of normal blood pressure.” “Reducing consumption of saturated fat contributes to the maintenance of normal blood cholesterol levels.”
Goals this food supports
Full nutrient profile
Values per 100 g edible portion as published by the Max Rubner-Institut (BLS 4.0, 10.25826/Data20251217-134202-0). "Origin" is the MRI's own data-provenance label; open "reference" for the underlying study or database. %NRV = share of the EU Nutrient Reference Value (Reg. (EU) 1169/2011, Annex XIII).
Energy & macronutrients
| Nutrient | per 100 g | per 100 g | %NRV | Origin |
|---|---|---|---|---|
| Energy | 18 kcal | 18 kcal | BLS ENERCC · Calculated by formula | |
| Protein | 2.1 g | 2.1 g | BLS PROT625 · Aggregated from several sourcesreferenceConverted value from: Colonna, E., et al.; Nutritional quality of ten leafy vegetables harvested at two light intensities.; Food Chemistry; 2016; 199 Converted value from: Health, D. o; Nutrient analysis of fruit and vegetables; 2013 Converted value from: Koivistoinen P; Mineral element composition of Finnish foods. N, K, Ca, Mg, P, S, Fe, Cu, Mn, Zn, Mo, Co, Ni, Cr, F, Se, Si, Rb, Al, B, Br, Hg, As, Cd, Pb and Ash; Almqvist & Wiksell; 1980 | |
| Fat | 0.3 g | 0.3 g | BLS FAT · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 | |
| Carbohydrate (available) | 0.93 g | 0.93 g | BLS CHO · Calculated by formula | |
| Sugars (total) | 0.75 g | 0.75 g | BLS SUGAR · Calculated by formula | |
| starch | 0.18 g | 0.18 g | BLS STARCH · Scientific literaturereferenceHealth, D. o; Nutrient analysis of fruit and vegetables; 2013 | |
| Dietary fibre | 1.8 g | 1.8 g | BLS FIBT · Laboratory analysis | |
| fibreSoluble | 0.5 g | 0.5 g | BLS FIBSOL · Laboratory analysis | |
| Water | 91.7 g | 91.7 g | BLS WATER · Aggregated from several sourcesreferenceIwatani, Y., et al.; Determination of folate contents in some Australian vegetables.; Journal of Food Composition and Analysis; 2003; 16; 1 Delchier N, Reich M, Renard CMGC; Impact of cooking methods on folates, ascorbic acid and lutein in green beans (Phaseolus vulgaris) and spinach (Spinacea oleracea).; LWT - Food Science and Technology; 2012; 49; 2 Bassett MN, Sammán NC; Folate content and retention in selected raw and processed foods; Archivos Latinoamericanos de Nutricion; 2010 Shohag, M. J. I., et al.; Folate Content and Composition of Vegetables Commonly Consumed in China.; Journal of Food Science; 2012; 77; 11 Health, D. o; Nutrient analysis of fruit and vegetables; 2013 Fajardo, V., et al.; Folate content in fresh-cut vegetable packed products by 96-well microtiter plate microbiological assay.; Food Chemistry; 2015; 169 Li, B. W. and Andrews, K. W.; Individual sugars, soluble, and insoluble dietary fiber contents of 70 high consumption foods.; Journal of Food Composition and Analysis; 2002; 15 Watanabe, M. and J. Ayugase; Effect of low temperature on flavonoids, oxygen radical absorbance capacity values and major components of winter sweet spinach (Spinacia oleracea L.).; Journal of the Science of Food and Agriculture; 2015; 95; 1 Wang, G., et al. ; Dietary fiber composition of selected foods in the People& 39;s Republic of China.; Journal of Food Composition and Analysis; 1991; 4 Bergquist, S. Å. M., et al.; Ascorbic acid, carotenoids, and visual quality of baby spinach as affected by shade netting and postharvest storage.; Journal of Agricultural and Food Chemistry; 2007; 55; 21 Colonna, E., et al.; Nutritional quality of ten leafy vegetables harvested at two light intensities.; Food Chemistry; 2016; 199 | |
| Salt | 0.13 g | 0.13 g | BLS NACL · Calculated by formula |
Fats & fatty acids
| Nutrient | per 100 g | per 100 g | %NRV | Origin |
|---|---|---|---|---|
| Saturated fat | 0.03 g | 0.03 g | BLS FASAT · Calculated by formula | |
| Monounsaturated fat | 0.01 g | 0.01 g | BLS FAMS · Calculated by formula | |
| Polyunsaturated fat | 0.16 g | 0.16 g | BLS FAPU · Calculated by formula | |
| Omega-3 fatty acids (total) | 0.13 g | 0.13 g | BLS FAPUN3 · Calculated by formula | |
| Alpha-linolenic acid (ALA, omega-3) | 0.13 g | 0.13 g | BLS F18:3CN3 · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 | |
| EPA | 0 mg | 0 mg | BLS F20:5CN3 · Logische Null | |
| DHA | 0 mg | 0 mg | BLS F22:6CN3 · Logische Null | |
| EPA + DHA (long-chain omega-3) | 0 mg | 0 mg | BLS | |
| omega6 | 0.03 g | 0.03 g | BLS FAPUN6 · Calculated by formula | |
| Linoleic acid (omega-6) | 0.03 g | 0.03 g | BLS F18:2CN6 · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 | |
| Oleic acid | 0.01 g | 0.01 g | BLS F18:1CN9 · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 | |
| Cholesterol | 0 mg | 0 mg | BLS CHORL · Logische Null |
Vitamins
| Nutrient | per 100 g | per 100 g | %NRV | Origin |
|---|---|---|---|---|
| Vitamin A | 370 µg | 370 µg | 46 % | BLS VITAA · Calculated by formula |
| Vitamin D | 0 µg | 0 µg | 0 % | BLS VITD · Calculated by formula |
| Vitamin E | 3 mg | 3 mg | 25 % | BLS VITE · Aggregated from several sourcesreferenceConverted value from: Chun, J., et al.; Tocopherol and tocotrienol contents of raw and processed fruits and vegetables in the United States diet; Journal of Food Composition and Analysis; 2006; 19; 2-3 Converted value from: Knecht, K., et al.; Tocopherol and tocotrienol analysis in raw and cooked vegetables: A validated method with emphasis on sample preparation.; Food Chemistry; 2015; 169 |
| Vitamin K | 456 µg | 456 µg | 608 % | BLS VITK · Calculated by formula |
| Vitamin C | 57 mg | 57 mg | 71 % | BLS VITC · Aggregated from several sourcesreferenceWatanabe, M. and J. Ayugase; Effect of low temperature on flavonoids, oxygen radical absorbance capacity values and major components of winter sweet spinach (Spinacia oleracea L.).; Journal of the Science of Food and Agriculture; 2015; 95; 1 Bergquist, S. Å. M., et al.; Ascorbic acid, carotenoids, and visual quality of baby spinach as affected by shade netting and postharvest storage.; Journal of Agricultural and Food Chemistry; 2007; 55; 21 Delchier N, Reich M, Renard CMGC; Impact of cooking methods on folates, ascorbic acid and lutein in green beans (Phaseolus vulgaris) and spinach (Spinacea oleracea).; LWT - Food Science and Technology; 2012; 49; 2 Koh, E., et al; Effect of organic and conventional cropping systems on ascorbic acid, vitamin C, flavonoids, nitrate, and oxalate in 27 varieties of spinach (Spinacia oleracea L.).; Journal of Agricultural and Food Chemistry; 2012; 60; 12 |
| Thiamin (vitamin B1) | 0.1 mg | 0.1 mg | 10 % | BLS THIA · Aggregated from several sourcesreferenceConverted value from: Health, D. o; Nutrient analysis of fruit and vegetables; 2013 Mondragon-Portocarrero, A. D., et al.; Development and Validation of an HPLC Method for the Determination of Thiamine and Riboflavin in Green Leafy Vegetables Using Clara-Diastase.; Journal of Food Science ; 2011; 76; 4 |
| Riboflavin (vitamin B2) | 0.14 mg | 0.14 mg | 10 % | BLS RIBF · Aggregated from several sourcesreferenceMondragon-Portocarrero, A. D., et al.; Development and Validation of an HPLC Method for the Determination of Thiamine and Riboflavin in Green Leafy Vegetables Using Clara-Diastase.; Journal of Food Science ; 2011; 76; 4 Health, D. o; Nutrient analysis of fruit and vegetables; 2013 |
| Niacin (vitamin B3) | 1.7 mg | 1.7 mg | 11 % | BLS NIAEQ · Calculated by formula |
| Pantothenic acid (vitamin B5) | 0.28 mg | 0.28 mg | 5 % | BLS PANTAC · Scientific literaturereferenceHealth, D. o; Nutrient analysis of fruit and vegetables; 2013 |
| Vitamin B6 | 0.08 mg | 0.08 mg | 6 % | BLS VITB6 · Scientific literaturereferenceConverted value from: Health, D. o; Nutrient analysis of fruit and vegetables; 2013 |
| Biotin | 0.1 µg | 0.1 µg | 0 % | BLS BIOT · Scientific literaturereferenceHealth, D. o; Nutrient analysis of fruit and vegetables; 2013 |
| Folate | 152 µg | 152 µg | 76 % | BLS FOL · Calculated by formula |
| Vitamin B12 | 0 µg | 0 µg | 0 % | BLS VITB12 · Logische Null |
| Choline | 19.3 mg | 19.3 mg | USDA FDC 168462 |
Minerals & trace elements
| Nutrient | per 100 g | per 100 g | %NRV | Origin |
|---|---|---|---|---|
| Sodium | 50 mg | 50 mg | BLS NA · Aggregated from several sourcesreferenceHealth, D. o; Nutrient analysis of fruit and vegetables; 2013 Santos, J., et al. ; Multi-elemental analysis of ready-to-eat "baby leaf" vegetables using microwave digestion and high-resolution continuum source atomic absorption spectrometry; Food Chemistry; 2014; 151 | |
| Potassium | 573 mg | 573 mg | 29 % | BLS K · Aggregated from several sourcesreferenceHealth, D. o; Nutrient analysis of fruit and vegetables; 2013 Koivistoinen P; Mineral element composition of Finnish foods. N, K, Ca, Mg, P, S, Fe, Cu, Mn, Zn, Mo, Co, Ni, Cr, F, Se, Si, Rb, Al, B, Br, Hg, As, Cd, Pb and Ash; Almqvist & Wiksell; 1980 Colonna, E., et al.; Nutritional quality of ten leafy vegetables harvested at two light intensities.; Food Chemistry; 2016; 199 Santos, J., et al. ; Multi-elemental analysis of ready-to-eat "baby leaf" vegetables using microwave digestion and high-resolution continuum source atomic absorption spectrometry; Food Chemistry; 2014; 151 |
| Calcium | 81 mg | 81 mg | 10 % | BLS CA · Aggregated from several sourcesreferenceKoivistoinen P; Mineral element composition of Finnish foods. N, K, Ca, Mg, P, S, Fe, Cu, Mn, Zn, Mo, Co, Ni, Cr, F, Se, Si, Rb, Al, B, Br, Hg, As, Cd, Pb and Ash; Almqvist & Wiksell; 1980 Santos, J., et al. ; Multi-elemental analysis of ready-to-eat "baby leaf" vegetables using microwave digestion and high-resolution continuum source atomic absorption spectrometry; Food Chemistry; 2014; 151 Colonna, E., et al.; Nutritional quality of ten leafy vegetables harvested at two light intensities.; Food Chemistry; 2016; 199 Health, D. o; Nutrient analysis of fruit and vegetables; 2013 |
| Magnesium | 68 mg | 68 mg | 18 % | BLS MG · Aggregated from several sourcesreferenceHealth, D. o; Nutrient analysis of fruit and vegetables; 2013 Koivistoinen P; Mineral element composition of Finnish foods. N, K, Ca, Mg, P, S, Fe, Cu, Mn, Zn, Mo, Co, Ni, Cr, F, Se, Si, Rb, Al, B, Br, Hg, As, Cd, Pb and Ash; Almqvist & Wiksell; 1980 Santos, J., et al. ; Multi-elemental analysis of ready-to-eat "baby leaf" vegetables using microwave digestion and high-resolution continuum source atomic absorption spectrometry; Food Chemistry; 2014; 151 Colonna, E., et al.; Nutritional quality of ten leafy vegetables harvested at two light intensities.; Food Chemistry; 2016; 199 |
| Phosphorus | 45.8 mg | 45.8 mg | 7 % | BLS P · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 |
| Iron | 2.1 mg | 2.1 mg | 15 % | BLS FE · Aggregated from several sourcesreferenceConverted value from: BVL; Lebensmittel Monitoring 2008; 2008 Bagdatlioglu, N., et al.; Heavy metal levels in leafy vegetables and some selected fruits.; Journal fur Verbraucherschutz und Lebensmittelsicherheit; 2010; 5; 3 Health, D. o; Nutrient analysis of fruit and vegetables; 2013 Santos, J., et al. ; Multi-elemental analysis of ready-to-eat "baby leaf" vegetables using microwave digestion and high-resolution continuum source atomic absorption spectrometry; Food Chemistry; 2014; 151 Koivistoinen P; Mineral element composition of Finnish foods. N, K, Ca, Mg, P, S, Fe, Cu, Mn, Zn, Mo, Co, Ni, Cr, F, Se, Si, Rb, Al, B, Br, Hg, As, Cd, Pb and Ash; Almqvist & Wiksell; 1980 |
| Zinc | 0.72 mg | 0.72 mg | 7 % | BLS ZN · Aggregated from several sourcesreferenceSantos, J., et al. ; Multi-elemental analysis of ready-to-eat "baby leaf" vegetables using microwave digestion and high-resolution continuum source atomic absorption spectrometry; Food Chemistry; 2014; 151 Radwan, M. A., Salama, A. K.; Market basket survey for some heavy metals in Egyptian fruits and vegetables; Food and Chemical Toxicology; 2006; 8; 44 Converted value from: BVL; Lebensmittel Monitoring 2008; 2008 Converted value from: BVL; Lebensmittel Monitoring 2005 ; 2005 Converted value from: BVL; Lebensmittel Monitoring 2014; 2014 Converted value from: BVL; Lebensmittel Monitoring 2011; 2011 Ellen, G., et al.; HEAVY-METALS IN VEGETABLES GROWN IN THE NETHERLANDS AND IN DOMESTIC AND IMPORTED FRUITS.; Zeitschrift Fur Lebensmittel-Untersuchung Und-Forschung; 1990; 190; 1 Bagdatlioglu, N., et al.; Heavy metal levels in leafy vegetables and some selected fruits.; Journal fur Verbraucherschutz und Lebensmittelsicherheit ; 2010; 5; 3 Health, D. o; Nutrient analysis of fruit and vegetables; 2013 Converted value from: BVL; Lebensmittel Monitoring 2002; 2002 Koivistoinen P; Mineral element composition of Finnish foods. N, K, Ca, Mg, P, S, Fe, Cu, Mn, Zn, Mo, Co, Ni, Cr, F, Se, Si, Rb, Al, B, Br, Hg, As, Cd, Pb and Ash; Almqvist & Wiksell; 1980 |
| Iodine | 4 µg | 4 µg | 3 % | BLS ID · Scientific literaturereferenceHealth, D. o; Nutrient analysis of fruit and vegetables; 2013 |
| Selenium | 1 µg | 1 µg | 2 % | USDA FDC 168462 |
| Copper | 0.11 mg | 0.11 mg | 11 % | BLS CU · Aggregated from several sourcesreferenceSantos, J., et al. ; Multi-elemental analysis of ready-to-eat "baby leaf" vegetables using microwave digestion and high-resolution continuum source atomic absorption spectrometry; Food Chemistry; 2014; 151 Koivistoinen P; Mineral element composition of Finnish foods. N, K, Ca, Mg, P, S, Fe, Cu, Mn, Zn, Mo, Co, Ni, Cr, F, Se, Si, Rb, Al, B, Br, Hg, As, Cd, Pb and Ash; Almqvist & Wiksell; 1980 Ellen, G., et al.; HEAVY-METALS IN VEGETABLES GROWN IN THE NETHERLANDS AND IN DOMESTIC AND IMPORTED FRUITS.; Zeitschrift Fur Lebensmittel-Untersuchung Und-Forschung; 1990; 190; 1 Health, D. o; Nutrient analysis of fruit and vegetables; 2013 Converted value from: BVL; Lebensmittel Monitoring 2011; 2011 Converted value from: BVL; Lebensmittel Monitoring 2014; 2014 Converted value from: BVL; Lebensmittel Monitoring 2005 ; 2005 Converted value from: BVL; Lebensmittel Monitoring 2008; 2008 Converted value from: BVL; Lebensmittel Monitoring 2002; 2002 |
| Manganese | 0.84 mg | 0.84 mg | 42 % | BLS MN · Aggregated from several sourcesreferenceConverted value from: BVL; Lebensmittel Monitoring 2014; 2014 Converted value from: BVL; Lebensmittel Monitoring 2008; 2008 Ellen, G., et al.; HEAVY-METALS IN VEGETABLES GROWN IN THE NETHERLANDS AND IN DOMESTIC AND IMPORTED FRUITS.; Zeitschrift Fur Lebensmittel-Untersuchung Und-Forschung; 1990; 190; 1 Koivistoinen P; Mineral element composition of Finnish foods. N, K, Ca, Mg, P, S, Fe, Cu, Mn, Zn, Mo, Co, Ni, Cr, F, Se, Si, Rb, Al, B, Br, Hg, As, Cd, Pb and Ash; Almqvist & Wiksell; 1980 Health, D. o; Nutrient analysis of fruit and vegetables; 2013 |
| fluoride | 0.07 mg | 0.07 mg | BLS FD · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 |
Essential amino acids
| Nutrient | per 100 g | per 100 g | %NRV | Origin |
|---|---|---|---|---|
| Histidine | 0.05 g | 0.05 g | BLS HIS · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 | |
| Isoleucine | 0.12 g | 0.12 g | BLS ILE · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 | |
| Leucine | 0.19 g | 0.19 g | BLS LEU · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 | |
| Lysine | 0.16 g | 0.16 g | BLS LYS · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 | |
| Methionine | 0.04 g | 0.04 g | BLS MET · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 | |
| Phenylalanine | 0.11 g | 0.11 g | BLS PHE · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 | |
| Threonine | 0.11 g | 0.11 g | BLS THR · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 | |
| Tryptophan | 0.04 g | 0.04 g | BLS TRP · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 | |
| Valine | 0.14 g | 0.14 g | BLS VAL · Other nutrient databasereferenceKirchhoff, E; Souci - Fachmann - Kraut - Die Zusammensetzung der Lebensmittel - Nährwert-Tabellen; 2008; 7 |
Sources
- Bundeslebensmittelschlüssel (BLS) 4.0 — German Nutrient Database — Max Rubner-Institut
- FoodData Central — USDA Agricultural Research Service
- Commission Regulation (EU) No 432/2012 — list of permitted health claims (consolidated) — European Union (EUR-Lex)
- Regulation (EC) No 1924/2006 on nutrition and health claims (incl. Annex: conditions for "source of" claims) — European Union (EUR-Lex)
- Regulation (EU) No 1169/2011 on food information (Annex XIII: Nutrient Reference Values; Art. 7(3)) — European Union (EUR-Lex)
- EU Register of nutrition and health claims made on foods — European Commission
- Vitamin A — fact sheet for health professionals — NIH Office of Dietary Supplements
- Vitamin C — fact sheet for health professionals — NIH Office of Dietary Supplements
- Vitamin E — fact sheet for health professionals — NIH Office of Dietary Supplements
- Vitamin K — fact sheet for health professionals — NIH Office of Dietary Supplements
- Folate — fact sheet for health professionals — NIH Office of Dietary Supplements
- Magnesium — fact sheet for health professionals — NIH Office of Dietary Supplements
- Potassium — fact sheet for health professionals — NIH Office of Dietary Supplements
- Iron — fact sheet for health professionals — NIH Office of Dietary Supplements
- Manganese — fact sheet for health professionals — NIH Office of Dietary Supplements
Max Rubner-Institut (2025): Bundeslebensmittelschlüssel (BLS), Version 4.0 — Deutsche Nährstoffdatenbank. Karlsruhe. DOI: 10.25826/Data20251217-134202-0. Licence CC BY 4.0. Selenium and choline: U.S. Department of Agriculture, Agricultural Research Service. FoodData Central: SR Legacy, 2018. fdc.nal.usda.gov.