supplementhackr
Iron

elemental Iron

UNII
E1UOL152H7
Products
37
Upper Intake Level · NIH Office of Dietary Supplements
45 mg
Tolerable Upper Intake Level (adults, NIH ODS): 45 mg/day.
NIH ODS Health Professional fact sheet →
Authorized claims — 5 effects per authority

What this ingredient does

Function claims officially authorized by EFSA NDA Panel, FDA, or NIH ODS. Each card links to the source opinion + the claim ID in the EU/US regulatory register.

↑ Supports / contributes to
↑
Normal formation of red blood cells + hemoglobin
EFSAEU-Reg-432/2012-ID-249 →
LOINC 789-8· lab-measurable
↑
Normal cognitive function
EFSAEU-Reg-432/2012-ID-253 →
↑
Normal oxygen transport in the body
EFSAEU-Reg-432/2012-ID-252 →
LOINC 718-7· lab-measurable
↑
Normal immune system function
EFSAEU-Reg-432/2012-ID-254 →
↓ Reduces
↓
Reduction of tiredness and fatigue
EFSAEU-Reg-432/2012-ID-255 →
Label dose distribution · 36 labeled products
Min
5 mg
Typical
37.667 mg
Max
125 mg
Highest labeled dose exceeds the NIH ODS adult UL of 45 mg (2.8×).
Other forms of Iron

25 sibling forms

Distinct chemical forms sharing the same parent nutrient. Different UNIIs, different bioavailability, different effects — never collapsed.

Products with avoid-level excipients
13

contain elemental Iron AND at least one authority-avoid-flagged excipient

Products with caution-level excipients
12

contain elemental Iron alongside a caution-flagged filler

Top brands carrying elemental Iron

15 brands rolled up

Products containing elemental Iron

37 in catalog