Evidence supporting the use of: Iron
For the body system: Muscles

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Iron is an essential mineral with a well-established role in human physiology, particularly as a key component of hemoglobin in red blood cells, which facilitates oxygen transport throughout the body. Adequate oxygen delivery is necessary for muscle function, especially during physical activity, as muscles require oxygen to produce energy. Scientific studies show that iron deficiency—particularly iron-deficiency anemia—can lead to symptoms such as muscle weakness, fatigue, and reduced exercise performance due to decreased oxygen-carrying capacity. Supplementation with iron in individuals who are iron-deficient has been shown to improve these symptoms and enhance muscle endurance and strength. However, for individuals with normal iron status, supplementation does not appear to enhance muscle function or strength further.

Despite this, iron’s direct role in muscle building or support beyond correcting deficiency is not strongly supported by evidence. Its primary benefit for the muscular system is in preventing or correcting deficiency states that impair muscle oxygenation and function, rather than directly supporting muscle growth or repair. Therefore, while there is scientific validation for using iron to support muscle function in deficient individuals, the evidence is limited if applied more broadly to those with adequate iron levels.

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Other ingredients that support Muscles

acetyl l-carnitine
adenosine 5-triphosphate disodium (ATP)
alpha-ketoglutarate (AKG)
amino acids
amylopectin
ashwagandha
astaxanthin
beet
beta-alanine
bovine
bovine liver
branched-chain amino acids
bromelain
caffeine
calcium
cherry
chloride
coenzyme Q10 (CoQ10)
colostrum
conjugated linoleic acid (CLA)
cordyceps
creatine monohydrate
turmeric
d-alpha tocopherol
devil's claw
dong quai root
fish protein
forskohlii root
l-isoleucine
iron
kale
l-alanine
l-alanyl-l-glutamine
l-arginine
l-carnitine
l-carnosine
l-citrulline
l-glutamine
l-glycine
l-leucine
l-ornithine
l-proline
l-taurine
l-threonine
l-valine
magnesium
malic acid
maltodextrin
maltose
methylsulfonylmethane (MSM)
milk
nicotinamide riboside
ornithine alpha-ketoglutarate
peppermint oil
phosphorus
phytocannabinoids
potassium
protein
quinoa
rhizome
sardines
black ginger
soybean
specialized pro-resolving mediators (SPMs)
spinach
spirulina
tongkat ali
ubiquinol
Urolithin A
vitamin B
vitamin C
vitamin D
vitamin D3
water
watermelon
whey protein
white willow
β-nicotinamide mononucleotide (NMN)
suma
squawvine
sodium salt
solomon's seal
siler root
eucommia
electrolytes blend (proprietary)
guelder rose
polyphenols
trace minerals
wintergreen
camphor oil
menthol oil
wheat germ
wood betony
herbal blend (proprietary)
algae
chickpea protein
brown rice protein
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17a-di methyl-bol
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Animal Tissue
Antler
Arginine Creatine
Arginine nitrate
Arachidonic Acid
Arginine malate
Arginine aspartate
Avocado
Anserina
Alpha-ketoisocaproic acid
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adenosine triphosphate (ATP)
Algal protein
Alpha hydroxyisocaproic acid
Arginine alpha-ketoisocaproate
Arginine silicate
Animal protein
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Biopeptide
Beta-hydroxybutyrate
Bicarbonate
Beef Protein
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banana
BCAA
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Casein
Cardarine
Chinese Mountain Ant
Carnosine
Citrate malate
Cyathula
Curcuminoid
Cramp Bark
Chuchuhuasi
Cyanotis Vaga
Coca
Coconut Water
Cetylated Fatty Acids
Creatine
Chicken
Curcuma
C-Phycocyanin
Cyanotis arachnoides
DL-Methionine
Deer Velvet
Date
D-Ribose
Dextrose
Dimethyl sulfoxide (DMSO)
Dipsacus
Dipeptide
Egg
Elk antler
Emu Oil
Ecdysteroids
Elthyl-Alpha-Guanido-Methyl-Ethanoate
Ecdysterone
Egg protein
Glycine
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Milk Protein
Phosphate Salt
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Quinoa Protein
salt
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