Iron

Ferrous Fumarate

Products
8
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
LOINC 789-8· lab-measurable
Normal cognitive function
Normal oxygen transport in the body
LOINC 718-7· lab-measurable
Normal immune system function
↓ Reduces
Reduction of tiredness and fatigue
Label dose distribution · 5 labeled products
Min
44.6 mg
Typical
81.04 mg
Max
191.1 mg
Highest labeled dose exceeds the NIH ODS adult UL of 45 mg (4.2×).
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
2

contain Ferrous Fumarate AND at least one authority-avoid-flagged excipient

Products with caution-level excipients
2

contain Ferrous Fumarate alongside a caution-flagged filler

Top brands carrying Ferrous Fumarate

15 brands rolled up

Products containing Ferrous Fumarate

8 in catalog