Evidence supporting the use of: Iron
For the body system: Nails
Synopsis
Source of validity: Scientific
Rating (out of 5): 4
Iron is scientifically validated as important for supporting the health of the nails. Iron deficiency is a well-established cause of brittle nails and a specific nail abnormality called koilonychia (spoon-shaped nails). Numerous clinical and observational studies have shown that iron deficiency anemia frequently presents with changes in nail morphology, including thinning, brittleness, and altered shape. These changes are believed to occur because iron is essential for hemoglobin production and oxygen transport, which are necessary for the growth and maintenance of healthy nail tissue.
Restoring normal iron levels through supplementation or dietary changes has been shown to reverse nail abnormalities associated with deficiency. The scientific literature, including dermatology and hematology references, routinely lists nail changes as a clinical sign of iron deficiency, further supporting the link. However, in individuals without iron deficiency, additional iron supplementation is not shown to further benefit nail health and may carry risks.
In summary, the use of iron to support nail health is scientifically justified, but specifically in the context of iron deficiency. There is strong evidence (rated 4 out of 5) that correcting iron deficiency can improve nail health, while supplementation beyond normal levels does not provide added benefit for nails.
Other ingredients that support Nails
amino acidsbiotin
bovine
bovine gelatin
bovine liver
calcium
ceramides
collagen
fish protein
folate
gelatin
horsetail
iron
kale
L-cysteine
L-cystine
L-methionine
protein
selenium
silicon
keratin
soybean
spinach
vitamin B
vitamin C
seaweed
Zinc
trace minerals
wheat germ
Algae
argan nut oil
animal protein
beef
Beef liver
bovine protein
Brazil nut
chia seed
Cystine
DL-Methionine
egg
Egg protein
ferritin
fish
jojoba oil
Legume protein
Molasses
Mineral blend
Marine protein
Panthenol
Quinoa Protein
Silicate
silica
Tea Tree Oil
Vegetable Protein
Other body systems supported by iron
BloodBrain
Circulatory System
Digestive System
Glandular System
Hair
Heart
Immune System
Liver
Muscles
Nails
Nerves
Reproductive System
Spleen
Products containing iron
Vitabase
Active Man's Formula
Vitabase
Active Woman's Multi
Douglas Laboratories
Amino-Iron ™
Metagenics
Axis Endo™ Mango
Thorne
Basic Prenatal Multivitamin
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus Berry
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus pH
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus pH Pineapple Banana
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus Pineapple Banana
Metagenics
Clear Change 10-Day Detox Program with UltraClear Plus Vanilla
Metagenics
Clear Change 10-Day Detox Program with UltraClear RENEW Berry
Metagenics
Clear Change 10-Day Detox Program with UltraClear RENEW Chai
Metagenics
Clear Change 10-Day Detox Program with UltraClear RENEW Vanilla
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus Berry
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus pH Pineapple Banana
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus pH Vanilla
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus Pineapple Banana
Metagenics
Clear Change 28-Day Detox Program with UltraClear Plus Vanilla
Metagenics
Clear Change 28-Day Detox Program with UltraClear RENEW Berry
Metagenics
Clear Change 28-Day Detox Program with UltraClear RENEW Chai
Metagenics
Clear Change 28-Day Detox Program with UltraClear RENEW Vanilla
Metagenics
Collagenics®
Designs For Health
DFH Complete Multi™ with Copper & Iron
Vitabase
Easy Iron
Metagenics
Fem Prenatal®
Thorne
Ferrasorb
Designs For Health
Ferrochel® Iron Chelate
Metagenics
GI Sustain™ Powder
Douglas Laboratories
Hair, Skin and Nails Plus
Metagenics
Hemagenics
Metagenics
Hemagenics
Thorne
Iron Bisglycinate NSF
Pure Encapsulations
Iron-C
Integrative Therapeutics
Iron Complex
Integrative Therapeutics
K-PAX MitoNutrients
Metagenics
Ketogenic Shake Chocolate
Metagenics
Ketogenic Shake Vanilla
Klean Athlete
Klean Isolate™ Natural Chocolate Flavor
Klean Athlete
Klean Recovery ™
Pure Encapsulations
Liquid Iron
Integrative Therapeutics
Liquid Iron
Thorne
MediClear Plus
Metagenics
MetaKids Nutrition Powder Chocolate
Metagenics
MetaKids Nutrition Powder Vanilla
Pure Encapsulations
Mineral 650
Metagenics
Multigenics®
Metagenics
Multigenics Chewable Orange
Metagenics
Multigenics Intensive Care
Pure Encapsulations
Nutrient 950®
Pure Encapsulations
Nutrient 950®
Pure Encapsulations
Nutrient 950®
Pure Encapsulations
OptiFerin-C
Designs For Health
Organ Synergy™ 180 Capsules
Designs For Health
Organ Synergy™ Powder
Designs For Health
PaleoCleanse Plus™
Designs For Health
PaleoCleanse Plus™ Detox Program
Designs For Health
PaleoCleanse Plus™Chocolate Detox Kit
Designs For Health
PaleoGreens®
Designs For Health
PaleoGreens®
Designs For Health
PaleoMeal®
Metagenics
Perfect Protein® Pea & Rice Chocolate Powder
Metagenics
Perfect Protein Pea & Rice Vanilla Powder
Metagenics
Perfect Protein Whey Chocolate
Integrative Therapeutics
Physicians Elemental Diet Dextrose Free
Integrative Therapeutics
Physician's Elemental Diet
Integrative Therapeutics
Physician's Elemental Diet
Integrative Therapeutics
Physicians Elemental Diet Kit
Metagenics
PhytoGanix® Tropical Fruit
Metagenics
PhytoMulti With Iron
Designs For Health
Phytotein™
Designs For Health
Plant Protein Cleanse
Designs For Health
Plant Protein Cleanse Plus™ 570g
Designs For Health
Plant Protein Meal
Designs For Health
Plant Protein Meal Plus
Designs For Health
Plant Protein Meal
Metagenics
PlusOne® Daily Prenatal Packs
Douglas Laboratories
Prenatal
Pure Encapsulations
PreNatal Nutrients
Pure Encapsulations
PreNatal Nutrients
Designs For Health
Prenatal Pro™
Pure Encapsulations
PureLean® Protein
Pure Encapsulations
PurePals with Iron
Designs For Health
PurePea™
Douglas Laboratories
Timed Release Iron
Metagenics
Ultra Calm® Bar Chocolate Coconut
Metagenics
Ultra Energy Bar Caramel Sea Salt
Metagenics
Ultra Glucose Control® Chocolate
Metagenics
Ultra Glucose Control Chocolate
Metagenics
Ultra Glucose Control Vanilla
Metagenics
Ultra Glucose Control Vanilla
Metagenics
Ultra Protein Bar Peanut Butter
Metagenics
UltraClear Detox Powder
Metagenics
UltraClear Plus® Detox Powder
Metagenics
UltraClear Plus Detox Powder Berry
Metagenics
UltraClear Plus Detox Powder Pineapple/Banana
Metagenics
UltraClear Plus pH Detox Powder Pineapple/Banana
Metagenics
UltraClear Plus pH Detox Powder Vanilla
Metagenics
UltraClear RENEW Detox Powder Berry
Metagenics
UltraClear RENEW Detox Powder Chai
Metagenics
UltraClear RENEW Detox Powder Vanilla
Metagenics
UltraGI Replenish® Chocolate
Metagenics
UltraGI Replenish Chocolate
Metagenics
UltraGI Replenish Vanilla
Metagenics
UltraGI Replenish Vanilla
Metagenics
UltraInflamX Plus 360°® Chocolate/Orange
Metagenics
UltraInflamX Plus 360° Mango
Metagenics
UltraInflamX Plus 360° Mango
Metagenics
UltraInflamX Plus 360° Orange
Metagenics
UltraInflamX Plus 360° Original Spice
Metagenics
UltraInflamX Plus 360° Pineapple/Banana
Metagenics
UltraInflamX Plus 360° Pineapple/Banana
Metagenics
UltraMeal Advanced Protein® Dutch Chocolate
Metagenics
UltraMeal Advanced Protein French Vanilla
Metagenics
UltraMeal Advanced Protein Plain
Metagenics
UltraMeal Cardio 360°® Pea/Rice Chocolate
Metagenics
UltraMeal Cardio 360° Pea/Rice Vanilla
Metagenics
UltraMeal® Daily Support Dutch Chocolate
Metagenics
UltraMeal Daily Support Mixed Berry
Metagenics
UltraMeal Rice Vanilla
Metagenics
Wellness Essentials Women's Daily Packs
Thorne
Whey Protein Isolate Chocolate NSF
Designs For Health
WheyCool™