Iron
Ferrous Sulfate
- UNII
- 39R4TAN1VT
- Products
- 3
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 immune system function
↓ Reduces
↓
Reduction of tiredness and fatigue
Label dose distribution · 3 labeled products
Min
220 mg
Typical
254.667 mg
Max
324 mg
Highest labeled dose exceeds the NIH ODS adult UL of 45 mg (7.2×).
Other forms of Iron
25 sibling forms
Distinct chemical forms sharing the same parent nutrient. Different UNIIs, different bioavailability, different effects — never collapsed.
- 16,716IronUNIImineral
- 54FerrochelUNIIherb
- 37elemental IronUNIImineral
- 35Iron Complexmineral
- 11Iron Ferrous Fumaratemineral
- 9Iron, Naturalmineral
- 8Ferrous Fumaratemineral
- 6SunActive Ironmineral
- 4Hierromineral
- 4Polysaccharide Iron Complexherb
- 4Carbonyl Ironmineral
- 3Heme Iron Polypeptideherb
- 2Sumalateherb
- 2Ferronyl Carbonyl Ironmineral
- 2Ferronyl Ironmineral
- 2Iron, Powdermineral
- 1Sunactive(R) Ironmineral
- 1Ferrochel Ferrous Bis-Glycinate Chelateherb
- 1Ferrum Met 10x, 30x & LM1mineral
- 1Iron USPmineral
- 1Iron fumaratemineral
- 1Hierro Reducidomineral
- 1Liposomal Ironmineral
- 1Iron (II) Glycinateherb
- 1dried Ferrous Sulfatemineral
Products with caution-level excipients
2
contain Ferrous Sulfate alongside a caution-flagged filler
Top brands carrying Ferrous Sulfate
15 brands rolled up
Products containing Ferrous Sulfate